commit bdb080e6
Changed SDL_FontCache back toa C-file. It is no longer a problem with CMake.
Changed files
| M | CMakeLists.txt before |
| A | source/code/Libs/SDL_FontCache.c |
| D | source/code/Libs/SDL_FontCache.cpp before |
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 885ad34..973380b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -46,7 +46,7 @@ pkg_search_module(SDL2IMAGE REQUIRED SDL2_image)
pkg_search_module(SDL2TTF REQUIRED SDL2_ttf)
#Find all sources but one
-file(GLOB SOURCES "source/code/*.cpp" "source/code/*/*.cpp")
+file(GLOB SOURCES "source/code/*.cpp" "source/code/*/*.cpp" "source/code/Libs/*.c")
#I am still trying to get BlockGame to compile as a source file
list(REMOVE_ITEM SOURCES "${blockattack_SOURCE_DIR}/source/code/BlockGame.cpp")
diff --git a/source/code/Libs/SDL_FontCache.c b/source/code/Libs/SDL_FontCache.c
new file mode 100644
index 0000000..451b937
--- /dev/null
+++ b/source/code/Libs/SDL_FontCache.c
@@ -0,0 +1,2488 @@
+/*
+SDL_FontCache v0.0.1: A font cache for SDL and SDL_ttf
+by Jonathan Dearborn
+Dedicated to the memory of Florian Hufsky
+
+License:
+ The short:
+ Use it however you'd like, but keep the copyright and license notice
+ whenever these files or parts of them are distributed in uncompiled form.
+
+ The long:
+Copyright (c) 2015 Jonathan Dearborn
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+#include "SDL_FontCache.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+// Visual C does not support static inline
+#ifndef static_inline
+#ifdef _MSC_VER
+#define static_inline static
+#else
+#define static_inline static inline
+#endif
+#endif
+
+#if SDL_VERSION_ATLEAST(2,0,0)
+#define FC_GET_ALPHA(sdl_color) ((sdl_color).a)
+#else
+#define FC_GET_ALPHA(sdl_color) ((sdl_color).unused)
+#endif
+
+// Need SDL_RenderIsClipEnabled() for proper clipping support
+#if SDL_VERSION_ATLEAST(2,0,4)
+#define ENABLE_SDL_CLIPPING
+#endif
+
+#define FC_MIN(a,b) ((a) < (b)? (a) : (b))
+#define FC_MAX(a,b) ((a) > (b)? (a) : (b))
+
+
+#define FC_EXTRACT_VARARGS(buffer, start_args) \
+{ \
+ va_list lst; \
+ va_start(lst, start_args); \
+ vsprintf(buffer, start_args, lst); \
+ va_end(lst); \
+}
+
+// Extra pixels of padding around each glyph to avoid linear filtering artifacts
+#define FC_CACHE_PADDING 1
+
+
+
+static Uint8 has_clip(FC_Target* dest) {
+#ifdef FC_USE_SDL_GPU
+ return dest->use_clip_rect;
+#elif defined(ENABLE_SDL_CLIPPING)
+ return SDL_RenderIsClipEnabled(dest);
+#else
+ return 0;
+#endif
+}
+
+static FC_Rect get_clip(FC_Target* dest) {
+#ifdef FC_USE_SDL_GPU
+ return dest->clip_rect;
+#elif defined(ENABLE_SDL_CLIPPING)
+ SDL_Rect r;
+ SDL_RenderGetClipRect(dest, &r);
+ return r;
+#else
+ SDL_Rect r = {0, 0, 0, 0};
+ return r;
+#endif
+}
+
+static void set_clip(FC_Target* dest, FC_Rect* rect) {
+#ifdef FC_USE_SDL_GPU
+ if (rect != NULL) {
+ GPU_SetClipRect(dest, *rect);
+ }
+ else {
+ GPU_UnsetClip(dest);
+ }
+#elif defined(ENABLE_SDL_CLIPPING)
+ SDL_RenderSetClipRect(dest, rect);
+#endif
+}
+
+static void set_color(FC_Image* src, Uint8 r, Uint8 g, Uint8 b, Uint8 a) {
+#ifdef FC_USE_SDL_GPU
+ GPU_SetRGBA(src, r, g, b, a);
+#else
+ SDL_SetTextureColorMod(src, r, g, b);
+ SDL_SetTextureAlphaMod(src, a);
+#endif
+}
+
+
+
+static char* new_concat(const char* a, const char* b) {
+ // Create new buffer
+ unsigned int size = strlen(a) + strlen(b);
+ char* new_string = (char*)malloc(size+1);
+
+ // Concatenate strings in the new buffer
+ strcpy(new_string, a);
+ strcat(new_string, b);
+
+ return new_string;
+}
+
+static char* replace_concat(char** a, const char* b) {
+ char* new_string = new_concat(*a, b);
+ free(*a);
+ *a = new_string;
+ return *a;
+}
+
+
+
+
+
+// Shared buffer for variadic text
+static char* fc_buffer = NULL;
+
+static Uint8 fc_has_render_target_support = 0;
+
+const char* FC_GetStringASCII(void) {
+ static char* buffer = NULL;
+ if (buffer == NULL) {
+ int i;
+ char c;
+ buffer = (char*)malloc(512);
+ memset(buffer, 0, 512);
+ i = 0;
+ c = 32;
+ while (1) {
+ buffer[i] = c;
+ if (c == 126) {
+ break;
+ }
+ ++i;
+ ++c;
+ }
+ }
+ return buffer;
+}
+
+const char* FC_GetStringLatin1(void) {
+ static char* buffer = NULL;
+ if (buffer == NULL) {
+ int i;
+ unsigned char c;
+ buffer = (char*)malloc(512);
+ memset(buffer, 0, 512);
+ i = 0;
+ c = 0xA0;
+ while (1) {
+ buffer[i] = 0xC2;
+ buffer[i+1] = c;
+ if (c == 0xBF) {
+ break;
+ }
+ i += 2;
+ ++c;
+ }
+ i += 2;
+ c = 0x80;
+ while (1) {
+ buffer[i] = 0xC3;
+ buffer[i+1] = c;
+ if (c == 0xBF) {
+ break;
+ }
+ i += 2;
+ ++c;
+ }
+ }
+ return buffer;
+}
+
+const char* FC_GetStringASCII_Latin1(void) {
+ static char* buffer = NULL;
+ if (buffer == NULL) {
+ buffer = new_concat(FC_GetStringASCII(), FC_GetStringLatin1());
+ }
+
+ return buffer;
+}
+
+FC_Rect FC_MakeRect(float x, float y, float w, float h) {
+ FC_Rect r = {x, y, w, h};
+ return r;
+}
+
+FC_Scale FC_MakeScale(float x, float y) {
+ FC_Scale s = {x, y};
+
+ return s;
+}
+
+SDL_Color FC_MakeColor(Uint8 r, Uint8 g, Uint8 b, Uint8 a) {
+ SDL_Color c = {r, g, b, a};
+
+ return c;
+}
+
+FC_Effect FC_MakeEffect(FC_AlignEnum alignment, FC_Scale scale, SDL_Color color) {
+ FC_Effect e;
+
+ e.alignment = alignment;
+ e.scale = scale;
+ e.color = color;
+
+ return e;
+}
+
+FC_GlyphData FC_MakeGlyphData(int cache_level, Sint16 x, Sint16 y, Uint16 w, Uint16 h) {
+ FC_GlyphData gd;
+
+ gd.rect.x = x;
+ gd.rect.y = y;
+ gd.rect.w = w;
+ gd.rect.h = h;
+ gd.cache_level = cache_level;
+
+ return gd;
+}
+
+// Enough to hold all of the ascii characters and some.
+#define FC_DEFAULT_NUM_BUCKETS 300
+
+typedef struct FC_MapNode {
+ Uint32 key;
+ FC_GlyphData value;
+ struct FC_MapNode* next;
+
+} FC_MapNode;
+
+typedef struct FC_Map {
+ int num_buckets;
+ FC_MapNode** buckets;
+} FC_Map;
+
+
+
+static FC_Map* FC_MapCreate(int num_buckets) {
+ int i;
+ FC_Map* map = (FC_Map*)malloc(sizeof(FC_Map));
+
+ map->num_buckets = num_buckets;
+ map->buckets = (FC_MapNode**)malloc(num_buckets * sizeof(FC_MapNode*));
+
+ for (i = 0; i < num_buckets; ++i) {
+ map->buckets[i] = NULL;
+ }
+
+ return map;
+}
+
+/*static void FC_MapClear(FC_Map* map)
+{
+ int i;
+ if(map == NULL)
+ return;
+
+ // Go through each bucket
+ for(i = 0; i < map->num_buckets; ++i)
+ {
+ // Delete the nodes in order
+ FC_MapNode* node = map->buckets[i];
+ while(node != NULL)
+ {
+ FC_MapNode* last = node;
+ node = node->next;
+ free(last);
+ }
+ // Set the bucket to empty
+ map->buckets[i] = NULL;
+ }
+}*/
+
+static void FC_MapFree(FC_Map* map) {
+ int i;
+ if (map == NULL) {
+ return;
+ }
+
+ // Go through each bucket
+ for (i = 0; i < map->num_buckets; ++i) {
+ // Delete the nodes in order
+ FC_MapNode* node = map->buckets[i];
+ while (node != NULL) {
+ FC_MapNode* last = node;
+ node = node->next;
+ free(last);
+ }
+ }
+
+ free(map->buckets);
+ free(map);
+}
+
+// Note: Does not handle duplicates in any special way.
+static FC_GlyphData* FC_MapInsert(FC_Map* map, Uint32 codepoint, FC_GlyphData glyph) {
+ Uint32 index;
+ FC_MapNode* node;
+ if (map == NULL) {
+ return NULL;
+ }
+
+ // Get index for bucket
+ index = codepoint % map->num_buckets;
+
+ // If this bucket is empty, create a node and return its value
+ if (map->buckets[index] == NULL) {
+ node = map->buckets[index] = (FC_MapNode*)malloc(sizeof(FC_MapNode));
+ node->key = codepoint;
+ node->value = glyph;
+ node->next = NULL;
+ return &node->value;
+ }
+
+ for (node = map->buckets[index]; node != NULL; node = node->next) {
+ // Find empty node and add a new one on.
+ if (node->next == NULL) {
+ node->next = (FC_MapNode*)malloc(sizeof(FC_MapNode));
+ node = node->next;
+
+ node->key = codepoint;
+ node->value = glyph;
+ node->next = NULL;
+ return &node->value;
+ }
+ }
+
+ return NULL;
+}
+
+static FC_GlyphData* FC_MapFind(FC_Map* map, Uint32 codepoint) {
+ Uint32 index;
+ FC_MapNode* node;
+ if (map == NULL) {
+ return NULL;
+ }
+
+ // Get index for bucket
+ index = codepoint % map->num_buckets;
+
+ // Go through list until we find a match
+ for (node = map->buckets[index]; node != NULL; node = node->next) {
+ if (node->key == codepoint) {
+ return &node->value;
+ }
+ }
+
+ return NULL;
+}
+
+
+
+struct FC_Font {
+#ifndef FC_USE_SDL_GPU
+ SDL_Renderer* renderer;
+#endif
+
+ TTF_Font* ttf_source; // TTF_Font source of characters
+ Uint8 owns_ttf_source; // Can we delete the TTF_Font ourselves?
+
+ FC_FilterEnum filter;
+
+ SDL_Color default_color;
+ Uint16 height;
+
+ Uint16 maxWidth;
+ Uint16 baseline;
+ int ascent;
+ int descent;
+
+ int lineSpacing;
+ int letterSpacing;
+
+ // Uses 32-bit (4-byte) Unicode codepoints to refer to each glyph
+ // Codepoints are little endian (reversed from UTF-8) so that something like 0x00000005 is ASCII 5 and the map can be indexed by ASCII values
+ FC_Map* glyphs;
+
+ FC_GlyphData last_glyph; // Texture packing cursor
+ int glyph_cache_size;
+ int glyph_cache_count;
+ FC_Image** glyph_cache;
+
+ char* loading_string;
+
+};
+
+// Private
+static FC_GlyphData* FC_PackGlyphData(FC_Font* font, Uint32 codepoint, Uint16 width, Uint16 maxWidth, Uint16 maxHeight);
+
+
+static FC_Rect FC_RenderLeft(FC_Font* font, FC_Target* dest, float x, float y, FC_Scale scale, const char* text);
+static FC_Rect FC_RenderCenter(FC_Font* font, FC_Target* dest, float x, float y, FC_Scale scale, const char* text);
+static FC_Rect FC_RenderRight(FC_Font* font, FC_Target* dest, float x, float y, FC_Scale scale, const char* text);
+
+
+static_inline SDL_Surface* FC_CreateSurface32(Uint32 width, Uint32 height) {
+#if SDL_BYTEORDER == SDL_BIG_ENDIAN
+ return SDL_CreateRGBSurface(SDL_SWSURFACE, width, height, 32, 0xFF000000, 0x00FF0000, 0x0000FF00, 0x000000FF);
+#else
+ return SDL_CreateRGBSurface(SDL_SWSURFACE, width, height, 32, 0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000);
+#endif
+}
+
+
+char* U8_alloc(unsigned int size) {
+ char* result;
+ if (size == 0) {
+ return NULL;
+ }
+
+ result = (char*)malloc(size);
+ result[0] = '\0';
+
+ return result;
+}
+
+void U8_free(char* string) {
+ free(string);
+}
+
+char* U8_strdup(const char* string) {
+ char* result;
+ if (string == NULL) {
+ return NULL;
+ }
+
+ result = (char*)malloc(strlen(string)+1);
+ strcpy(result, string);
+
+ return result;
+}
+
+int U8_strlen(const char* string) {
+ int length = 0;
+ if (string == NULL) {
+ return 0;
+ }
+
+ while (*string != '\0') {
+ string = U8_next(string);
+ ++length;
+ }
+
+ return length;
+}
+
+int U8_charsize(const char* character) {
+ if (character == NULL) {
+ return 0;
+ }
+
+ if ((unsigned char)*character <= 0x7F) {
+ return 1;
+ }
+ else if ((unsigned char)*character < 0xE0) {
+ return 2;
+ }
+ else if ((unsigned char)*character < 0xF0) {
+ return 3;
+ }
+ else {
+ return 4;
+ }
+ return 1;
+}
+
+int U8_charcpy(char* buffer, const char* source, int buffer_size) {
+ int charsize;
+ if (buffer == NULL || source == NULL || buffer_size < 1) {
+ return 0;
+ }
+
+ charsize = U8_charsize(source);
+ if (charsize > buffer_size) {
+ return 0;
+ }
+
+ memcpy(buffer, source, charsize);
+ return charsize;
+}
+
+const char* U8_next(const char* string) {
+ return string + U8_charsize(string);
+}
+
+int U8_strinsert(char* string, int position, const char* source, int max_bytes) {
+ int pos_bytes;
+ int len = strlen(string);
+ int add_len = strlen(source);
+ int ulen = U8_strlen(string);
+
+ if (position == -1) {
+ position = ulen;
+ }
+
+ if (string == NULL || source == NULL || position < 0 || position > ulen || len + add_len + 1 > max_bytes) {
+ return 0;
+ }
+
+ // Move string pointer to the proper position
+ pos_bytes = 0;
+ while (*string != '\0' && pos_bytes < position) {
+ string = (char*)U8_next(string);
+ ++pos_bytes;
+ }
+
+ // Move the rest of the string out of the way
+ memmove(string + add_len, string, len - pos_bytes + 1);
+
+ // Copy in the new characters
+ memcpy(string, source, add_len);
+
+ return 1;
+}
+
+void U8_strdel(char* string, int position) {
+ if (string == NULL || position < 0) {
+ return;
+ }
+
+ while (*string != '\0') {
+ if (position == 0) {
+ int chars_to_erase = U8_charsize(string);
+ int remaining_bytes = strlen(string) + 1;
+ memmove(string, string + chars_to_erase, remaining_bytes);
+ break;
+ }
+
+ string = (char*)U8_next(string);
+ --position;
+ }
+}
+
+
+
+
+
+static_inline FC_Rect FC_RectUnion(FC_Rect A, FC_Rect B) {
+ float x,x2,y,y2;
+ x = FC_MIN(A.x, B.x);
+ y = FC_MIN(A.y, B.y);
+ x2 = FC_MAX(A.x+A.w, B.x+B.w);
+ y2 = FC_MAX(A.y+A.h, B.y+B.h);
+ {
+ FC_Rect result = {x, y, FC_MAX(0, x2 - x), FC_MAX(0, y2 - y)};
+ return result;
+ }
+}
+
+// Adapted from SDL_IntersectRect
+static_inline FC_Rect FC_RectIntersect(FC_Rect A, FC_Rect B) {
+ FC_Rect result;
+ float Amin, Amax, Bmin, Bmax;
+
+ // Horizontal intersection
+ Amin = A.x;
+ Amax = Amin + A.w;
+ Bmin = B.x;
+ Bmax = Bmin + B.w;
+ if (Bmin > Amin) {
+ Amin = Bmin;
+ }
+ result.x = Amin;
+ if (Bmax < Amax) {
+ Amax = Bmax;
+ }
+ result.w = Amax - Amin > 0 ? Amax - Amin : 0;
+
+ // Vertical intersection
+ Amin = A.y;
+ Amax = Amin + A.h;
+ Bmin = B.y;
+ Bmax = Bmin + B.h;
+ if (Bmin > Amin) {
+ Amin = Bmin;
+ }
+ result.y = Amin;
+ if (Bmax < Amax) {
+ Amax = Bmax;
+ }
+ result.h = Amax - Amin > 0 ? Amax - Amin : 0;
+
+ return result;
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+FC_Rect FC_DefaultRenderCallback(FC_Image* src, FC_Rect* srcrect, FC_Target* dest, float x, float y, float xscale, float yscale) {
+ float w = srcrect->w * xscale;
+ float h = srcrect->h * yscale;
+ FC_Rect result;
+
+ // FIXME: Why does the scaled offset look so wrong?
+#ifdef FC_USE_SDL_GPU
+ {
+ GPU_Rect r = *srcrect;
+ GPU_BlitScale(src, &r, dest, x + xscale*r.w/2.0f, y + r.h/2.0f, xscale, yscale);
+ }
+#else
+ {
+ int flip = SDL_FLIP_NONE;
+ if (xscale < 0) {
+ xscale = -xscale;
+ flip |= SDL_FLIP_HORIZONTAL;
+ }
+ if (yscale < 0) {
+ yscale = -yscale;
+ flip |= SDL_FLIP_VERTICAL;
+ }
+
+ SDL_Rect r = *srcrect;
+ SDL_Rect dr = {(int)x, (int)y, (int)(xscale*r.w), (int)(yscale*r.h)};
+ SDL_RenderCopyEx(dest, src, &r, &dr, 0, NULL, (SDL_RendererFlip)flip);
+ }
+#endif
+
+ result.x = x;
+ result.y = y;
+ result.w = w;
+ result.h = h;
+ return result;
+}
+
+static FC_Rect (*fc_render_callback)(FC_Image* src, FC_Rect* srcrect, FC_Target* dest, float x, float y, float xscale, float yscale) = &FC_DefaultRenderCallback;
+
+void FC_SetRenderCallback(FC_Rect (*callback)(FC_Image* src, FC_Rect* srcrect, FC_Target* dest, float x, float y, float xscale, float yscale)) {
+ if (callback == NULL) {
+ fc_render_callback = &FC_DefaultRenderCallback;
+ }
+ else {
+ fc_render_callback = callback;
+ }
+}
+
+void FC_GetUTF8FromCodepoint(char* result, Uint32 codepoint) {
+ char a, b, c, d;
+
+ if (result == NULL) {
+ return;
+ }
+
+ a = (codepoint >> 24) & 0xFF;
+ b = (codepoint >> 16) & 0xFF;
+ c = (codepoint >> 8) & 0xFF;
+ d = codepoint & 0xFF;
+
+ if (a == 0) {
+ if (b == 0) {
+ if (c == 0) {
+ result[0] = d;
+ result[1] = '\0';
+ }
+ else {
+ result[0] = c;
+ result[1] = d;
+ result[2] = '\0';
+ }
+ }
+ else {
+ result[0] = b;
+ result[1] = c;
+ result[2] = d;
+ result[3] = '\0';
+ }
+ }
+ else {
+ result[0] = a;
+ result[1] = b;
+ result[2] = c;
+ result[3] = d;
+ result[4] = '\0';
+ }
+}
+
+Uint32 FC_GetCodepointFromUTF8(const char** c, Uint8 advance_pointer) {
+ Uint32 result = 0;
+ const char* str;
+ if (c == NULL || *c == NULL) {
+ return 0;
+ }
+
+ str = *c;
+ if ((unsigned char)*str <= 0x7F) {
+ result = *str;
+ }
+ else if ((unsigned char)*str < 0xE0) {
+ result |= (unsigned char)(*str) << 8;
+ result |= (unsigned char)(*(str+1));
+ if (advance_pointer) {
+ *c += 1;
+ }
+ }
+ else if ((unsigned char)*str < 0xF0) {
+ result |= (unsigned char)(*str) << 16;
+ result |= (unsigned char)(*(str+1)) << 8;
+ result |= (unsigned char)(*(str+2));
+ if (advance_pointer) {
+ *c += 2;
+ }
+ }
+ else {
+ result |= (unsigned char)(*str) << 24;
+ result |= (unsigned char)(*(str+1)) << 16;
+ result |= (unsigned char)(*(str+2)) << 8;
+ result |= (unsigned char)(*(str+3));
+ if (advance_pointer) {
+ *c += 3;
+ }
+ }
+ return result;
+}
+
+
+void FC_SetLoadingString(FC_Font* font, const char* string) {
+ if (font == NULL) {
+ return;
+ }
+
+ free(font->loading_string);
+ font->loading_string = U8_strdup(string);
+}
+
+
+void FC_SetBufferSize(unsigned int size) {
+ free(fc_buffer);
+ if (size > 0) {
+ fc_buffer = (char*)malloc(size);
+ }
+ else {
+ fc_buffer = (char*)malloc(1024);
+ }
+}
+
+
+
+
+
+// Constructors
+
+static void FC_Init(FC_Font* font) {
+ if (font == NULL) {
+ return;
+ }
+
+#ifndef FC_USE_SDL_GPU
+ font->renderer = NULL;
+#endif
+
+ font->ttf_source = NULL;
+ font->owns_ttf_source = 0;
+
+ font->filter = FC_FILTER_NEAREST;
+
+ font->default_color.r = 0;
+ font->default_color.g = 0;
+ font->default_color.b = 0;
+ FC_GET_ALPHA(font->default_color) = 255;
+
+ font->height = 0; // ascent+descent
+
+ font->maxWidth = 0;
+ font->baseline = 0;
+ font->ascent = 0;
+ font->descent = 0;
+
+ font->lineSpacing = 0;
+ font->letterSpacing = 0;
+
+ // Give a little offset for when filtering/mipmaps are used. Depending on mipmap level, this will still not be enough.
+ font->last_glyph.rect.x = FC_CACHE_PADDING;
+ font->last_glyph.rect.y = FC_CACHE_PADDING;
+ font->last_glyph.rect.w = 0;
+ font->last_glyph.rect.h = 0;
+ font->last_glyph.cache_level = 0;
+
+ if (font->glyphs != NULL) {
+ FC_MapFree(font->glyphs);
+ }
+
+ font->glyphs = FC_MapCreate(FC_DEFAULT_NUM_BUCKETS);
+
+ font->glyph_cache_size = 3;
+ font->glyph_cache_count = 0;
+
+
+ font->glyph_cache = (FC_Image**)malloc(font->glyph_cache_size * sizeof(FC_Image*));
+
+ if (font->loading_string == NULL) {
+ font->loading_string = U8_strdup(FC_GetStringASCII());
+ }
+
+ if (fc_buffer == NULL) {
+ fc_buffer = (char*)malloc(1024);
+ }
+}
+
+static Uint8 FC_GrowGlyphCache(FC_Font* font) {
+ if (font == NULL) {
+ return 0;
+ }
+#ifdef FC_USE_SDL_GPU
+ GPU_Image* new_level = GPU_CreateImage(font->height * 12, font->height * 12, GPU_FORMAT_RGBA);
+#else
+ SDL_Texture* new_level = SDL_CreateTexture(font->renderer, SDL_PIXELFORMAT_RGBA8888, SDL_TEXTUREACCESS_TARGET, font->height * 12, font->height * 12);
+#endif
+ if (new_level == NULL || !FC_SetGlyphCacheLevel(font, font->glyph_cache_count, new_level)) {
+ FC_Log("Error: SDL_FontCache ran out of packing space and could not add another cache level.\n");
+#ifdef FC_USE_SDL_GPU
+ GPU_FreeImage(new_level);
+#else
+ SDL_DestroyTexture(new_level);
+#endif
+ return 0;
+ }
+ return 1;
+}
+
+static Uint8 FC_UploadGlyphCache(FC_Font* font, int cache_level, SDL_Surface* data_surface) {
+ if (font == NULL || data_surface == NULL) {
+ return 0;
+ }
+#ifdef FC_USE_SDL_GPU
+ GPU_Image* new_level = GPU_CopyImageFromSurface(data_surface);
+ if (FC_GetFilterMode(font) == FC_FILTER_LINEAR) {
+ GPU_SetImageFilter(new_level, GPU_FILTER_LINEAR);
+ }
+ else {
+ GPU_SetImageFilter(new_level, GPU_FILTER_NEAREST);
+ }
+#else
+ SDL_Texture* new_level;
+ if (!fc_has_render_target_support) {
+ new_level = SDL_CreateTextureFromSurface(font->renderer, data_surface);
+ }
+ else {
+ // Must upload with render target enabled so we can put more glyphs on later
+ SDL_Renderer* renderer = font->renderer;
+
+ // Set filter mode for new texture
+ const char* old_filter_mode = SDL_GetHint(SDL_HINT_RENDER_SCALE_QUALITY);
+ if (FC_GetFilterMode(font) == FC_FILTER_LINEAR) {
+ SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "1");
+ }
+ else {
+ SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "0");
+ }
+
+ new_level = SDL_CreateTexture(renderer, data_surface->format->format, SDL_TEXTUREACCESS_TARGET, data_surface->w, data_surface->h);
+ SDL_SetTextureBlendMode(new_level, SDL_BLENDMODE_BLEND);
+
+ // Reset filter mode for the temp texture
+ SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "0");
+
+ {
+ Uint8 r, g, b, a;
+ SDL_Texture* temp = SDL_CreateTextureFromSurface(renderer, data_surface);
+ SDL_SetTextureBlendMode(temp, SDL_BLENDMODE_NONE);
+ SDL_SetRenderTarget(renderer, new_level);
+
+ SDL_GetRenderDrawColor(renderer, &r, &g, &b, &a);
+ SDL_SetRenderDrawColor(renderer, 0, 0, 0, 0);
+ SDL_RenderClear(renderer);
+ SDL_SetRenderDrawColor(renderer, r, g, b, a);
+
+ SDL_RenderCopy(renderer, temp, NULL, NULL);
+ SDL_SetRenderTarget(renderer, NULL);
+
+ SDL_DestroyTexture(temp);
+ }
+
+ // Reset to the old filter value
+ SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, old_filter_mode);
+
+ }
+#endif
+ if (new_level == NULL || !FC_SetGlyphCacheLevel(font, cache_level, new_level)) {
+ FC_Log("Error: SDL_FontCache ran out of packing space and could not add another cache level.\n");
+#ifdef FC_USE_SDL_GPU
+ GPU_FreeImage(new_level);
+#else
+ SDL_DestroyTexture(new_level);
+#endif
+ return 0;
+ }
+ return 1;
+}
+
+static FC_GlyphData* FC_PackGlyphData(FC_Font* font, Uint32 codepoint, Uint16 width, Uint16 maxWidth, Uint16 maxHeight) {
+ FC_Map* glyphs = font->glyphs;
+ FC_GlyphData* last_glyph = &font->last_glyph;
+ Uint16 height = font->height + FC_CACHE_PADDING;
+
+ if (last_glyph->rect.x + last_glyph->rect.w + width >= maxWidth - FC_CACHE_PADDING) {
+ if (last_glyph->rect.y + height + height >= maxHeight - FC_CACHE_PADDING) {
+ // Get ready to pack on the next cache level when it is ready
+ last_glyph->cache_level = font->glyph_cache_count;
+ last_glyph->rect.x = FC_CACHE_PADDING;
+ last_glyph->rect.y = FC_CACHE_PADDING;
+ last_glyph->rect.w = 0;
+ return NULL;
+ }
+ else {
+ // Go to next row
+ last_glyph->rect.x = FC_CACHE_PADDING;
+ last_glyph->rect.y += height;
+ last_glyph->rect.w = 0;
+ }
+ }
+
+ // Move to next space
+ last_glyph->rect.x += last_glyph->rect.w + 1 + FC_CACHE_PADDING;
+ last_glyph->rect.w = width;
+
+ return FC_MapInsert(glyphs, codepoint, FC_MakeGlyphData(last_glyph->cache_level, last_glyph->rect.x, last_glyph->rect.y, last_glyph->rect.w, last_glyph->rect.h));
+}
+
+
+FC_Image* FC_GetGlyphCacheLevel(FC_Font* font, int cache_level) {
+ if (font == NULL || cache_level < 0 || cache_level > font->glyph_cache_count) {
+ return NULL;
+ }
+
+ return font->glyph_cache[cache_level];
+}
+
+Uint8 FC_SetGlyphCacheLevel(FC_Font* font, int cache_level, FC_Image* cache_texture) {
+ if (font == NULL || cache_level < 0) {
+ return 0;
+ }
+
+ // Must be sequentially added
+ if (cache_level > font->glyph_cache_count + 1) {
+ return 0;
+ }
+
+ if (cache_level == font->glyph_cache_count) {
+ font->glyph_cache_count++;
+
+ // Grow cache?
+ if (font->glyph_cache_count > font->glyph_cache_size) {
+ // Copy old cache to new one
+ int i;
+ FC_Image** new_cache;
+ new_cache = (FC_Image**)malloc(font->glyph_cache_count * sizeof(FC_Image*));
+ for (i = 0; i < font->glyph_cache_size; ++i) {
+ new_cache[i] = font->glyph_cache[i];
+ }
+
+ // Save new cache
+ free(font->glyph_cache);
+ font->glyph_cache_size = font->glyph_cache_count;
+ font->glyph_cache = new_cache;
+ }
+ }
+
+ font->glyph_cache[cache_level] = cache_texture;
+ return 1;
+}
+
+
+FC_Font* FC_CreateFont(void) {
+ FC_Font* font;
+
+ font = (FC_Font*)malloc(sizeof(FC_Font));
+ memset(font, 0, sizeof(FC_Font));
+
+ FC_Init(font);
+
+ return font;
+}
+
+
+// Assume this many will be enough...
+#define FC_LOAD_MAX_SURFACES 10
+
+#ifdef FC_USE_SDL_GPU
+Uint8 FC_LoadFontFromTTF(FC_Font* font, TTF_Font* ttf, SDL_Color color)
+#else
+Uint8 FC_LoadFontFromTTF(FC_Font* font, SDL_Renderer* renderer, TTF_Font* ttf, SDL_Color color)
+#endif
+{
+ if (font == NULL || ttf == NULL) {
+ return 0;
+ }
+#ifndef FC_USE_SDL_GPU
+ if (renderer == NULL) {
+ return 0;
+ }
+#endif
+
+ FC_ClearFont(font);
+
+
+ // Might as well check render target support here
+#ifdef FC_USE_SDL_GPU
+ fc_has_render_target_support = GPU_IsFeatureEnabled(GPU_FEATURE_RENDER_TARGETS);
+#else
+ SDL_RendererInfo info;
+ SDL_GetRendererInfo(renderer, &info);
+ fc_has_render_target_support = (info.flags & SDL_RENDERER_TARGETTEXTURE);
+
+ font->renderer = renderer;
+#endif
+
+ font->ttf_source = ttf;
+
+ //font->line_height = TTF_FontLineSkip(ttf);
+ font->height = TTF_FontHeight(ttf);
+ font->ascent = TTF_FontAscent(ttf);
+ font->descent = -TTF_FontDescent(ttf);
+
+ font->baseline = font->height - font->descent;
+
+ font->default_color = color;
+
+ {
+ SDL_Color white = {255, 255, 255, 255};
+ SDL_Surface* glyph_surf;
+ char buff[5];
+ const char* buff_ptr = buff;
+ const char* source_string;
+ Uint8 packed = 0;
+
+ // Copy glyphs from the surface to the font texture and store the position data
+ // Pack row by row into a square texture
+ // Try figuring out dimensions that make sense for the font size.
+ unsigned int w = font->height*12;
+ unsigned int h = font->height*12;
+ SDL_Surface* surfaces[FC_LOAD_MAX_SURFACES];
+ int num_surfaces = 1;
+ surfaces[0] = FC_CreateSurface32(w, h);
+ font->last_glyph.rect.x = FC_CACHE_PADDING;
+ font->last_glyph.rect.y = FC_CACHE_PADDING;
+ font->last_glyph.rect.w = 0;
+ font->last_glyph.rect.h = font->height;
+
+ memset(buff, 0, 5);
+ source_string = font->loading_string;
+ for (; *source_string != '\0'; source_string = U8_next(source_string)) {
+ if (!U8_charcpy(buff, source_string, 5)) {
+ continue;
+ }
+ glyph_surf = TTF_RenderUTF8_Blended(ttf, buff, white);
+ if (glyph_surf == NULL) {
+ continue;
+ }
+
+ // Try packing. If it fails, create a new surface for the next cache level.
+ packed = (FC_PackGlyphData(font, FC_GetCodepointFromUTF8(&buff_ptr, 0), glyph_surf->w, surfaces[num_surfaces-1]->w, surfaces[num_surfaces-1]->h) != NULL);
+ if (!packed) {
+ int i = num_surfaces-1;
+ if (num_surfaces >= FC_LOAD_MAX_SURFACES) {
+ // Can't do any more!
+ FC_Log("SDL_FontCache error: Could not create enough cache surfaces to fit all of the loading string!\n");
+ SDL_FreeSurface(glyph_surf);
+ break;
+ }
+
+ // Upload the current surface to the glyph cache now so we can keep the cache level packing cursor up to date as we go.
+ FC_UploadGlyphCache(font, i, surfaces[i]);
+ SDL_FreeSurface(surfaces[i]);
+#ifndef FC_USE_SDL_GPU
+ SDL_SetTextureBlendMode(font->glyph_cache[i], SDL_BLENDMODE_BLEND);
+#endif
+ // Update the glyph cursor to the new cache level. We need to do this here because the actual cache lags behind our use of the packing above.
+ font->last_glyph.cache_level = num_surfaces;
+
+
+ surfaces[num_surfaces] = FC_CreateSurface32(w, h);
+ num_surfaces++;
+ }
+
+ // Try packing for the new surface, then blit onto it.
+ if (packed || FC_PackGlyphData(font, FC_GetCodepointFromUTF8(&buff_ptr, 0), glyph_surf->w, surfaces[num_surfaces-1]->w, surfaces[num_surfaces-1]->h) != NULL) {
+ SDL_SetSurfaceBlendMode(glyph_surf, SDL_BLENDMODE_NONE);
+ SDL_Rect srcRect = {0, 0, glyph_surf->w, glyph_surf->h};
+ SDL_Rect destrect = font->last_glyph.rect;
+ SDL_BlitSurface(glyph_surf, &srcRect, surfaces[num_surfaces-1], &destrect);
+ }
+
+ SDL_FreeSurface(glyph_surf);
+ }
+
+ {
+ int i = num_surfaces-1;
+ FC_UploadGlyphCache(font, i, surfaces[i]);
+ SDL_FreeSurface(surfaces[i]);
+#ifndef FC_USE_SDL_GPU
+ SDL_SetTextureBlendMode(font->glyph_cache[i], SDL_BLENDMODE_BLEND);
+#endif
+ }
+ }
+
+ return 1;
+}
+
+
+#ifdef FC_USE_SDL_GPU
+Uint8 FC_LoadFont(FC_Font* font, const char* filename_ttf, Uint32 pointSize, SDL_Color color, int style)
+#else
+Uint8 FC_LoadFont(FC_Font* font, FC_Target* renderer, const char* filename_ttf, Uint32 pointSize, SDL_Color color, int style)
+#endif
+{
+ SDL_RWops* rwops;
+
+ if (font == NULL) {
+ return 0;
+ }
+
+ rwops = SDL_RWFromFile(filename_ttf, "rb");
+
+ if (rwops == NULL) {
+ FC_Log("Unable to open file for reading: %s \n", SDL_GetError());
+ return 0;
+ }
+
+#ifdef FC_USE_SDL_GPU
+ return FC_LoadFont_RW(font, rwops, 1, pointSize, color, style);
+#else
+ return FC_LoadFont_RW(font, renderer, rwops, 1, pointSize, color, style);
+#endif
+}
+
+#ifdef FC_USE_SDL_GPU
+Uint8 FC_LoadFont_RW(FC_Font* font, SDL_RWops* file_rwops_ttf, Uint8 own_rwops, Uint32 pointSize, SDL_Color color, int style)
+#else
+Uint8 FC_LoadFont_RW(FC_Font* font, FC_Target* renderer, SDL_RWops* file_rwops_ttf, Uint8 own_rwops, Uint32 pointSize, SDL_Color color, int style)
+#endif
+{
+ Uint8 result;
+ TTF_Font* ttf;
+ Uint8 outline;
+
+ if (font == NULL) {
+ return 0;
+ }
+
+ if (!TTF_WasInit() && TTF_Init() < 0) {
+ FC_Log("Unable to initialize SDL_ttf: %s \n", TTF_GetError());
+ if (own_rwops) {
+ SDL_RWclose(file_rwops_ttf);
+ }
+ return 0;
+ }
+
+ ttf = TTF_OpenFontRW(file_rwops_ttf, own_rwops, pointSize);
+
+ if (ttf == NULL) {
+ FC_Log("Unable to load TrueType font: %s \n", TTF_GetError());
+ if (own_rwops) {
+ SDL_RWclose(file_rwops_ttf);
+ }
+ return 0;
+ }
+
+ outline = (style & TTF_STYLE_OUTLINE);
+ if (outline) {
+ style &= ~TTF_STYLE_OUTLINE;
+ TTF_SetFontOutline(ttf, 1);
+ }
+ TTF_SetFontStyle(ttf, style);
+
+#ifdef FC_USE_SDL_GPU
+ result = FC_LoadFontFromTTF(font, ttf, color);
+#else
+ result = FC_LoadFontFromTTF(font, renderer, ttf, color);
+#endif
+
+ // Can only load new (uncached) glyphs if we can keep the SDL_RWops open.
+ font->owns_ttf_source = own_rwops;
+ if (!own_rwops) {
+ TTF_CloseFont(font->ttf_source);
+ font->ttf_source = NULL;
+ }
+
+ return result;
+}
+
+
+void FC_ClearFont(FC_Font* font) {
+ int i;
+ if (font == NULL) {
+ return;
+ }
+
+ // Release resources
+ if (font->owns_ttf_source) {
+ TTF_CloseFont(font->ttf_source);
+ }
+
+ font->owns_ttf_source = 0;
+ font->ttf_source = NULL;
+
+ // Delete glyph map
+ FC_MapFree(font->glyphs);
+ font->glyphs = NULL;
+
+ // Delete glyph cache
+ for (i = 0; i < font->glyph_cache_count; ++i) {
+#ifdef FC_USE_SDL_GPU
+ GPU_FreeImage(font->glyph_cache[i]);
+#else
+ SDL_DestroyTexture(font->glyph_cache[i]);
+#endif
+ }
+ free(font->glyph_cache);
+ font->glyph_cache = NULL;
+
+ // Reset font
+ FC_Init(font);
+}
+
+
+void FC_FreeFont(FC_Font* font) {
+ int i;
+ if (font == NULL) {
+ return;
+ }
+
+ // Release resources
+ if (font->owns_ttf_source) {
+ TTF_CloseFont(font->ttf_source);
+ }
+
+ // Delete glyph map
+ FC_MapFree(font->glyphs);
+
+ // Delete glyph cache
+ for (i = 0; i < font->glyph_cache_count; ++i) {
+#ifdef FC_USE_SDL_GPU
+ GPU_FreeImage(font->glyph_cache[i]);
+#else
+ SDL_DestroyTexture(font->glyph_cache[i]);
+#endif
+ }
+ free(font->glyph_cache);
+
+ free(font->loading_string);
+
+ free(font);
+}
+
+int FC_GetNumCacheLevels(FC_Font* font) {
+ return font->glyph_cache_count;
+}
+
+Uint8 FC_AddGlyphToCache(FC_Font* font, SDL_Surface* glyph_surface) {
+ if (font == NULL || glyph_surface == NULL) {
+ return 0;
+ }
+
+ SDL_SetSurfaceBlendMode(glyph_surface, SDL_BLENDMODE_NONE);
+ FC_Image* dest = FC_GetGlyphCacheLevel(font, font->last_glyph.cache_level);
+ if (dest == NULL) {
+ return 0;
+ }
+
+#ifdef FC_USE_SDL_GPU
+ {
+ GPU_Target* target = GPU_LoadTarget(dest);
+ if (target == NULL) {
+ return 0;
+ }
+ GPU_Image* img = GPU_CopyImageFromSurface(glyph_surface);
+ GPU_SetImageFilter(img, GPU_FILTER_NEAREST);
+ GPU_SetBlendMode(img, GPU_BLEND_SET);
+
+ SDL_Rect destrect = font->last_glyph.rect;
+ GPU_Blit(img, NULL, target, destrect.x + destrect.w/2, destrect.y + destrect.h/2);
+
+ GPU_FreeImage(img);
+ GPU_FreeTarget(target);
+ }
+#else
+ {
+ SDL_Texture* img = SDL_CreateTextureFromSurface(font->renderer, glyph_surface);
+
+ SDL_Rect destrect = font->last_glyph.rect;
+ SDL_SetRenderTarget(font->renderer, dest);
+ SDL_RenderCopy(font->renderer, img, NULL, &destrect);
+ SDL_SetRenderTarget(font->renderer, NULL);
+ SDL_DestroyTexture(img);
+ }
+#endif
+
+ return 1;
+}
+
+Uint8 FC_GetGlyphData(FC_Font* font, FC_GlyphData* result, Uint32 codepoint) {
+ FC_GlyphData* e = FC_MapFind(font->glyphs, codepoint);
+ if (e == NULL || result == NULL) {
+ char buff[5];
+ int w, h;
+ SDL_Color white = {255, 255, 255, 255};
+ SDL_Surface* surf;
+ FC_Image* cache_image;
+
+ if (font->ttf_source == NULL) {
+ return 0;
+ }
+
+ FC_GetUTF8FromCodepoint(buff, codepoint);
+
+ cache_image = FC_GetGlyphCacheLevel(font, font->last_glyph.cache_level);
+ if (cache_image == NULL) {
+ FC_Log("SDL_FontCache: Failed to load cache image, so cannot add new glyphs!\n");
+ return 0;
+ }
+#ifdef FC_USE_SDL_GPU
+ w = cache_image->w;
+ h = cache_image->h;
+#else
+ SDL_QueryTexture(cache_image, NULL, NULL, &w, &h);
+#endif
+
+ surf = TTF_RenderUTF8_Blended(font->ttf_source, buff, white);
+ if (surf == NULL) {
+ return 0;
+ }
+
+ e = FC_PackGlyphData(font, codepoint, surf->w, w, h);
+ if (e == NULL) {
+ // Grow the cache
+ FC_GrowGlyphCache(font);
+
+ // Try packing again
+ e = FC_PackGlyphData(font, codepoint, surf->w, w, h);
+ if (e == NULL) {
+ SDL_FreeSurface(surf);
+ return 0;
+ }
+ }
+
+ // Render onto the cache texture
+ FC_AddGlyphToCache(font, surf);
+
+ SDL_FreeSurface(surf);
+ }
+
+ if (result != NULL && e != NULL) {
+ *result = *e;
+ }
+
+ return 1;
+}
+
+
+FC_GlyphData* FC_SetGlyphData(FC_Font* font, Uint32 codepoint, FC_GlyphData glyph_data) {
+ return FC_MapInsert(font->glyphs, codepoint, glyph_data);
+}
+
+
+// Drawing
+static FC_Rect FC_RenderLeft(FC_Font* font, FC_Target* dest, float x, float y, FC_Scale scale, const char* text) {
+ const char* c = text;
+ FC_Rect srcRect;
+ FC_Rect dstRect;
+ FC_Rect dirtyRect = FC_MakeRect(x, y, 0, 0);
+
+ FC_GlyphData glyph;
+ Uint32 codepoint;
+
+ float destX = x;
+ float destY = y;
+ float destH;
+ float destLineSpacing;
+ float destLetterSpacing;
+
+ if (font == NULL) {
+ return dirtyRect;
+ }
+
+ destH = font->height * scale.y;
+ destLineSpacing = font->lineSpacing*scale.y;
+ destLetterSpacing = font->letterSpacing*scale.x;
+
+ if (c == NULL || font->glyph_cache_count == 0 || dest == NULL) {
+ return dirtyRect;
+ }
+
+ int newlineX = x;
+
+ for (; *c != '\0'; c++) {
+ if (*c == '\n') {
+ destX = newlineX;
+ destY += destH + destLineSpacing;
+ continue;
+ }
+
+ codepoint = FC_GetCodepointFromUTF8(&c, 1); // Increments 'c' to skip the extra UTF-8 bytes
+ if (!FC_GetGlyphData(font, &glyph, codepoint)) {
+ codepoint = ' ';
+ if (!FC_GetGlyphData(font, &glyph, codepoint)) {
+ continue; // Skip bad characters
+ }
+ }
+
+ if (codepoint == ' ') {
+ destX += glyph.rect.w*scale.x + destLetterSpacing;
+ continue;
+ }
+ /*if(destX >= dest->w)
+ continue;
+ if(destY >= dest->h)
+ continue;*/
+
+#ifdef FC_USE_SDL_GPU
+ srcRect.x = glyph.rect.x;
+ srcRect.y = glyph.rect.y;
+ srcRect.w = glyph.rect.w;
+ srcRect.h = glyph.rect.h;
+#else
+ srcRect = glyph.rect;
+#endif
+ dstRect = fc_render_callback(FC_GetGlyphCacheLevel(font, glyph.cache_level), &srcRect, dest, destX, destY, scale.x, scale.y);
+ if (dirtyRect.w == 0 || dirtyRect.h == 0) {
+ dirtyRect = dstRect;
+ }
+ else {
+ dirtyRect = FC_RectUnion(dirtyRect, dstRect);
+ }
+
+ destX += glyph.rect.w*scale.x + destLetterSpacing;
+ }
+
+ return dirtyRect;
+}
+
+static void set_color_for_all_caches(FC_Font* font, SDL_Color color) {
+ // TODO: How can I predict which glyph caches are to be used?
+ FC_Image* img;
+ int i;
+ int num_levels = FC_GetNumCacheLevels(font);
+ for (i = 0; i < num_levels; ++i) {
+ img = FC_GetGlyphCacheLevel(font, i);
+ set_color(img, color.r, color.g, color.b, FC_GET_ALPHA(color));
+ }
+}
+
+FC_Rect FC_Draw(FC_Font* font, FC_Target* dest, float x, float y, const char* formatted_text, ...) {
+ if (formatted_text == NULL || font == NULL) {
+ return FC_MakeRect(x, y, 0, 0);
+ }
+
+ FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
+
+ set_color_for_all_caches(font, font->default_color);
+
+ return FC_RenderLeft(font, dest, x, y, FC_MakeScale(1,1), fc_buffer);
+}
+
+
+
+typedef struct FC_StringList {
+ char* value;
+ struct FC_StringList* next;
+} FC_StringList;
+
+void FC_StringListFree(FC_StringList* node) {
+ // Delete the nodes in order
+ while (node != NULL) {
+ FC_StringList* last = node;
+ node = node->next;
+
+ free(last->value);
+ free(last);
+ }
+}
+
+FC_StringList** FC_StringListPushBack(FC_StringList** node, char* value, Uint8 copy) {
+ // Get to the last node
+ while (node != NULL && *node != NULL) {
+ node = &(*node)->next;
+ }
+
+ *node = (FC_StringList*)malloc(sizeof(FC_StringList));
+
+ (*node)->value = (copy? U8_strdup(value) : value);
+ (*node)->next = NULL;
+
+ return node;
+}
+
+static FC_StringList* FC_Explode(const char* text, char delimiter) {
+ FC_StringList* head;
+ FC_StringList* new_node;
+ FC_StringList** node;
+ const char* start;
+ const char* end;
+ unsigned int size;
+ if (text == NULL) {
+ return NULL;
+ }
+
+ head = NULL;
+ node = &head;
+
+ // Doesn't technically support UTF-8, but it's probably fine, right?
+ size = 0;
+ start = end = text;
+ while (1) {
+ if (*end == delimiter || *end == '\0') {
+ *node = (FC_StringList*)malloc(sizeof(FC_StringList));
+ new_node = *node;
+
+ new_node->value = (char*)malloc(size + 1);
+ memcpy(new_node->value, start, size);
+ new_node->value[size] = '\0';
+
+ new_node->next = NULL;
+
+ if (*end == '\0') {
+ break;
+ }
+
+ node = &((*node)->next);
+ start = end+1;
+ size = 0;
+ }
+ else {
+ ++size;
+ }
+
+ ++end;
+ }
+
+ return head;
+}
+
+static FC_StringList* FC_ExplodeAndKeep(const char* text, char delimiter) {
+ FC_StringList* head;
+ FC_StringList* new_node;
+ FC_StringList** node;
+ const char* start;
+ const char* end;
+ unsigned int size;
+ if (text == NULL) {
+ return NULL;
+ }
+
+ head = NULL;
+ node = &head;
+
+ // Doesn't technically support UTF-8, but it's probably fine, right?
+ size = 0;
+ start = end = text;
+ while (1) {
+ if (*end == delimiter || *end == '\0') {
+ *node = (FC_StringList*)malloc(sizeof(FC_StringList));
+ new_node = *node;
+
+ new_node->value = (char*)malloc(size + 1);
+ memcpy(new_node->value, start, size);
+ new_node->value[size] = '\0';
+
+ new_node->next = NULL;
+
+ if (*end == '\0') {
+ break;
+ }
+
+ node = &((*node)->next);
+ start = end;
+ size = 1;
+ }
+ else {
+ ++size;
+ }
+
+ ++end;
+ }
+
+ return head;
+}
+
+static void FC_RenderAlign(FC_Font* font, FC_Target* dest, float x, float y, int width, FC_Scale scale, FC_AlignEnum align, const char* text) {
+ switch (align) {
+ case FC_ALIGN_LEFT:
+ FC_RenderLeft(font, dest, x, y, scale, text);
+ break;
+ case FC_ALIGN_CENTER:
+ FC_RenderCenter(font, dest, x + width/2, y, scale, text);
+ break;
+ case FC_ALIGN_RIGHT:
+ FC_RenderRight(font, dest, x + width, y, scale, text);
+ break;
+ }
+}
+
+static FC_StringList* FC_GetBufferFitToColumn(FC_Font* font, int width, FC_Scale scale, Uint8 keep_newlines) {
+ FC_StringList* result = NULL;
+ FC_StringList** current = &result;
+
+ FC_StringList* ls, *iter;
+
+ ls = (keep_newlines? FC_ExplodeAndKeep(fc_buffer, '\n') : FC_Explode(fc_buffer, '\n'));
+ for (iter = ls; iter != NULL; iter = iter->next) {
+ char* line = iter->value;
+
+ // If line is too long, then add words one at a time until we go over.
+ if (width > 0 && FC_GetWidth(font, "%s", line) > width) {
+ FC_StringList* words, *word_iter;
+
+ words = FC_Explode(line, ' ');
+ // Skip the first word for the iterator, so there will always be at least one word per line
+ line = new_concat(words->value, " ");
+ for (word_iter = words->next; word_iter != NULL; word_iter = word_iter->next) {
+ char* line_plus_word = new_concat(line, word_iter->value);
+ char* word_plus_space = new_concat(word_iter->value, " ");
+ if (FC_GetWidth(font, line_plus_word) > width) {
+ current = FC_StringListPushBack(current, line, 0);
+
+ line = word_plus_space;
+ }
+ else {
+ replace_concat(&line, word_plus_space);
+ free(word_plus_space);
+ }
+ free(line_plus_word);
+ }
+ current = FC_StringListPushBack(current, line, 0);
+ FC_StringListFree(words);
+ }
+ else {
+ current = FC_StringListPushBack(current, line, 0);
+ iter->value = NULL;
+ }
+ }
+ FC_StringListFree(ls);
+
+ return result;
+}
+
+static void FC_DrawColumnFromBuffer(FC_Font* font, FC_Target* dest, FC_Rect box, int* total_height, FC_Scale scale, FC_AlignEnum align) {
+ int y = box.y;
+ FC_StringList* ls, *iter;
+
+ ls = FC_GetBufferFitToColumn(font, box.w, scale, 0);
+ for (iter = ls; iter != NULL; iter = iter->next) {
+ FC_RenderAlign(font, dest, box.x, y, box.w, scale, align, iter->value);
+ y += FC_GetLineHeight(font);
+ }
+ FC_StringListFree(ls);
+
+ if (total_height != NULL) {
+ *total_height = y - box.y;
+ }
+}
+
+FC_Rect FC_DrawBox(FC_Font* font, FC_Target* dest, FC_Rect box, const char* formatted_text, ...) {
+ Uint8 useClip;
+ if (formatted_text == NULL || font == NULL) {
+ return FC_MakeRect(box.x, box.y, 0, 0);
+ }
+
+ FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
+
+ useClip = has_clip(dest);
+ FC_Rect oldclip, newclip;
+ if (useClip) {
+ oldclip = get_clip(dest);
+ newclip = FC_RectIntersect(oldclip, box);
+ }
+ else {
+ newclip = box;
+ }
+ set_clip(dest, &newclip);
+
+ set_color_for_all_caches(font, font->default_color);
+
+ FC_DrawColumnFromBuffer(font, dest, box, NULL, FC_MakeScale(1,1), FC_ALIGN_LEFT);
+
+ if (useClip) {
+ set_clip(dest, &oldclip);
+ }
+ else {
+ set_clip(dest, NULL);
+ }
+
+ return box;
+}
+
+FC_Rect FC_DrawBoxAlign(FC_Font* font, FC_Target* dest, FC_Rect box, FC_AlignEnum align, const char* formatted_text, ...) {
+ Uint8 useClip;
+ if (formatted_text == NULL || font == NULL) {
+ return FC_MakeRect(box.x, box.y, 0, 0);
+ }
+
+ FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
+
+ useClip = has_clip(dest);
+ FC_Rect oldclip, newclip;
+ if (useClip) {
+ oldclip = get_clip(dest);
+ newclip = FC_RectIntersect(oldclip, box);
+ }
+ else {
+ newclip = box;
+ }
+ set_clip(dest, &newclip);
+
+ set_color_for_all_caches(font, font->default_color);
+
+ FC_DrawColumnFromBuffer(font, dest, box, NULL, FC_MakeScale(1,1), align);
+
+ if (useClip) {
+ set_clip(dest, &oldclip);
+ }
+ else {
+ set_clip(dest, NULL);
+ }
+
+ return box;
+}
+
+FC_Rect FC_DrawBoxScale(FC_Font* font, FC_Target* dest, FC_Rect box, FC_Scale scale, const char* formatted_text, ...) {
+ Uint8 useClip;
+ if (formatted_text == NULL || font == NULL) {
+ return FC_MakeRect(box.x, box.y, 0, 0);
+ }
+
+ FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
+
+ useClip = has_clip(dest);
+ FC_Rect oldclip, newclip;
+ if (useClip) {
+ oldclip = get_clip(dest);
+ newclip = FC_RectIntersect(oldclip, box);
+ }
+ else {
+ newclip = box;
+ }
+ set_clip(dest, &newclip);
+
+ set_color_for_all_caches(font, font->default_color);
+
+ FC_DrawColumnFromBuffer(font, dest, box, NULL, scale, FC_ALIGN_LEFT);
+
+ if (useClip) {
+ set_clip(dest, &oldclip);
+ }
+ else {
+ set_clip(dest, NULL);
+ }
+
+ return box;
+}
+
+FC_Rect FC_DrawBoxColor(FC_Font* font, FC_Target* dest, FC_Rect box, SDL_Color color, const char* formatted_text, ...) {
+ Uint8 useClip;
+ if (formatted_text == NULL || font == NULL) {
+ return FC_MakeRect(box.x, box.y, 0, 0);
+ }
+
+ FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
+
+ useClip = has_clip(dest);
+ FC_Rect oldclip, newclip;
+ if (useClip) {
+ oldclip = get_clip(dest);
+ newclip = FC_RectIntersect(oldclip, box);
+ }
+ else {
+ newclip = box;
+ }
+ set_clip(dest, &newclip);
+
+ set_color_for_all_caches(font, color);
+
+ FC_DrawColumnFromBuffer(font, dest, box, NULL, FC_MakeScale(1,1), FC_ALIGN_LEFT);
+
+ if (useClip) {
+ set_clip(dest, &oldclip);
+ }
+ else {
+ set_clip(dest, NULL);
+ }
+
+ return box;
+}
+
+FC_Rect FC_DrawBoxEffect(FC_Font* font, FC_Target* dest, FC_Rect box, FC_Effect effect, const char* formatted_text, ...) {
+ Uint8 useClip;
+ if (formatted_text == NULL || font == NULL) {
+ return FC_MakeRect(box.x, box.y, 0, 0);
+ }
+
+ FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
+
+ useClip = has_clip(dest);
+ FC_Rect oldclip, newclip;
+ if (useClip) {
+ oldclip = get_clip(dest);
+ newclip = FC_RectIntersect(oldclip, box);
+ }
+ else {
+ newclip = box;
+ }
+ set_clip(dest, &newclip);
+
+ set_color_for_all_caches(font, effect.color);
+
+ FC_DrawColumnFromBuffer(font, dest, box, NULL, effect.scale, effect.alignment);
+
+ if (useClip) {
+ set_clip(dest, &oldclip);
+ }
+ else {
+ set_clip(dest, NULL);
+ }
+
+ return box;
+}
+
+FC_Rect FC_DrawColumn(FC_Font* font, FC_Target* dest, float x, float y, Uint16 width, const char* formatted_text, ...) {
+ FC_Rect box = {x, y, width, 0};
+ int total_height;
+
+ if (formatted_text == NULL || font == NULL) {
+ return FC_MakeRect(x, y, 0, 0);
+ }
+
+ FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
+
+ set_color_for_all_caches(font, font->default_color);
+
+ FC_DrawColumnFromBuffer(font, dest, box, &total_height, FC_MakeScale(1,1), FC_ALIGN_LEFT);
+
+ return FC_MakeRect(box.x, box.y, width, total_height);
+}
+
+FC_Rect FC_DrawColumnAlign(FC_Font* font, FC_Target* dest, float x, float y, Uint16 width, FC_AlignEnum align, const char* formatted_text, ...) {
+ FC_Rect box = {x, y, width, 0};
+ int total_height;
+
+ if (formatted_text == NULL || font == NULL) {
+ return FC_MakeRect(x, y, 0, 0);
+ }
+
+ FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
+
+ set_color_for_all_caches(font, font->default_color);
+
+ switch (align) {
+ case FC_ALIGN_CENTER:
+ box.x -= width/2;
+ break;
+ case FC_ALIGN_RIGHT:
+ box.x -= width;
+ break;
+ default:
+ break;
+ }
+
+ FC_DrawColumnFromBuffer(font, dest, box, &total_height, FC_MakeScale(1,1), align);
+
+ return FC_MakeRect(box.x, box.y, width, total_height);
+}
+
+FC_Rect FC_DrawColumnScale(FC_Font* font, FC_Target* dest, float x, float y, Uint16 width, FC_Scale scale, const char* formatted_text, ...) {
+ FC_Rect box = {x, y, width, 0};
+ int total_height;
+
+ if (formatted_text == NULL || font == NULL) {
+ return FC_MakeRect(x, y, 0, 0);
+ }
+
+ FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
+
+ set_color_for_all_caches(font, font->default_color);
+
+ FC_DrawColumnFromBuffer(font, dest, box, &total_height, scale, FC_ALIGN_LEFT);
+
+ return FC_MakeRect(box.x, box.y, width, total_height);
+}
+
+FC_Rect FC_DrawColumnColor(FC_Font* font, FC_Target* dest, float x, float y, Uint16 width, SDL_Color color, const char* formatted_text, ...) {
+ FC_Rect box = {x, y, width, 0};
+ int total_height;
+
+ if (formatted_text == NULL || font == NULL) {
+ return FC_MakeRect(x, y, 0, 0);
+ }
+
+ FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
+
+ set_color_for_all_caches(font, color);
+
+ FC_DrawColumnFromBuffer(font, dest, box, &total_height, FC_MakeScale(1,1), FC_ALIGN_LEFT);
+
+ return FC_MakeRect(box.x, box.y, width, total_height);
+}
+
+FC_Rect FC_DrawColumnEffect(FC_Font* font, FC_Target* dest, float x, float y, Uint16 width, FC_Effect effect, const char* formatted_text, ...) {
+ FC_Rect box = {x, y, width, 0};
+ int total_height;
+
+ if (formatted_text == NULL || font == NULL) {
+ return FC_MakeRect(x, y, 0, 0);
+ }
+
+ FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
+
+ set_color_for_all_caches(font, effect.color);
+
+ switch (effect.alignment) {
+ case FC_ALIGN_CENTER:
+ box.x -= width/2;
+ break;
+ case FC_ALIGN_RIGHT:
+ box.x -= width;
+ break;
+ default:
+ break;
+ }
+
+ FC_DrawColumnFromBuffer(font, dest, box, &total_height, effect.scale, effect.alignment);
+
+ return FC_MakeRect(box.x, box.y, width, total_height);
+}
+
+static FC_Rect FC_RenderCenter(FC_Font* font, FC_Target* dest, float x, float y, FC_Scale scale, const char* text) {
+ FC_Rect result = {x, y, 0, 0};
+ if (text == NULL || font == NULL) {
+ return result;
+ }
+
+ char* str = U8_strdup(text);
+ char* del = str;
+ char* c;
+
+ // Go through str, when you find a \n, replace it with \0 and print it
+ // then move down, back, and continue.
+ for (c = str; *c != '\0';) {
+ if (*c == '\n') {
+ *c = '\0';
+ result = FC_RectUnion(FC_RenderLeft(font, dest, x - scale.x*FC_GetWidth(font, "%s", str)/2.0f, y, scale, str), result);
+ *c = '\n';
+ c++;
+ str = c;
+ y += scale.y*font->height;
+ }
+ else {
+ c++;
+ }
+ }
+
+ result = FC_RectUnion(FC_RenderLeft(font, dest, x - scale.x*FC_GetWidth(font, "%s", str)/2.0f, y, scale, str), result);
+
+ free(del);
+ return result;
+}
+
+static FC_Rect FC_RenderRight(FC_Font* font, FC_Target* dest, float x, float y, FC_Scale scale, const char* text) {
+ FC_Rect result = {x, y, 0, 0};
+ if (text == NULL || font == NULL) {
+ return result;
+ }
+
+ char* str = U8_strdup(text);
+ char* del = str;
+ char* c;
+
+ for (c = str; *c != '\0';) {
+ if (*c == '\n') {
+ *c = '\0';
+ result = FC_RectUnion(FC_RenderLeft(font, dest, x - scale.x*FC_GetWidth(font, "%s", str), y, scale, str), result);
+ *c = '\n';
+ c++;
+ str = c;
+ y += scale.y*font->height;
+ }
+ else {
+ c++;
+ }
+ }
+
+ result = FC_RectUnion(FC_RenderLeft(font, dest, x - scale.x*FC_GetWidth(font, "%s", str), y, scale, str), result);
+
+ free(del);
+ return result;
+}
+
+
+
+FC_Rect FC_DrawScale(FC_Font* font, FC_Target* dest, float x, float y, FC_Scale scale, const char* formatted_text, ...) {
+ if (formatted_text == NULL || font == NULL) {
+ return FC_MakeRect(x, y, 0, 0);
+ }
+
+ FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
+
+ set_color_for_all_caches(font, font->default_color);
+
+ return FC_RenderLeft(font, dest, x, y, scale, fc_buffer);
+}
+
+FC_Rect FC_DrawAlign(FC_Font* font, FC_Target* dest, float x, float y, FC_AlignEnum align, const char* formatted_text, ...) {
+ if (formatted_text == NULL || font == NULL) {
+ return FC_MakeRect(x, y, 0, 0);
+ }
+
+ FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
+
+ set_color_for_all_caches(font, font->default_color);
+
+ FC_Rect result;
+ switch (align) {
+ case FC_ALIGN_LEFT:
+ result = FC_RenderLeft(font, dest, x, y, FC_MakeScale(1,1), fc_buffer);
+ break;
+ case FC_ALIGN_CENTER:
+ result = FC_RenderCenter(font, dest, x, y, FC_MakeScale(1,1), fc_buffer);
+ break;
+ case FC_ALIGN_RIGHT:
+ result = FC_RenderRight(font, dest, x, y, FC_MakeScale(1,1), fc_buffer);
+ break;
+ default:
+ result = FC_MakeRect(x, y, 0, 0);
+ break;
+ }
+
+ return result;
+}
+
+FC_Rect FC_DrawColor(FC_Font* font, FC_Target* dest, float x, float y, SDL_Color color, const char* formatted_text, ...) {
+ if (formatted_text == NULL || font == NULL) {
+ return FC_MakeRect(x, y, 0, 0);
+ }
+
+ FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
+
+ set_color_for_all_caches(font, color);
+
+ return FC_RenderLeft(font, dest, x, y, FC_MakeScale(1,1), fc_buffer);
+}
+
+
+FC_Rect FC_DrawEffect(FC_Font* font, FC_Target* dest, float x, float y, FC_Effect effect, const char* formatted_text, ...) {
+ if (formatted_text == NULL || font == NULL) {
+ return FC_MakeRect(x, y, 0, 0);
+ }
+
+ FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
+
+ set_color_for_all_caches(font, effect.color);
+
+ FC_Rect result;
+ switch (effect.alignment) {
+ case FC_ALIGN_LEFT:
+ result = FC_RenderLeft(font, dest, x, y, effect.scale, fc_buffer);
+ break;
+ case FC_ALIGN_CENTER:
+ result = FC_RenderCenter(font, dest, x, y, effect.scale, fc_buffer);
+ break;
+ case FC_ALIGN_RIGHT:
+ result = FC_RenderRight(font, dest, x, y, effect.scale, fc_buffer);
+ break;
+ default:
+ result = FC_MakeRect(x, y, 0, 0);
+ break;
+ }
+
+ return result;
+}
+
+
+
+
+// Getters
+
+
+FC_FilterEnum FC_GetFilterMode(FC_Font* font) {
+ if (font == NULL) {
+ return FC_FILTER_NEAREST;
+ }
+
+ return font->filter;
+}
+
+Uint16 FC_GetLineHeight(FC_Font* font) {
+ if (font == NULL) {
+ return 0;
+ }
+
+ return font->height;
+}
+
+Uint16 FC_GetHeight(FC_Font* font, const char* formatted_text, ...) {
+ if (formatted_text == NULL || font == NULL) {
+ return 0;
+ }
+
+ FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
+
+ Uint16 numLines = 1;
+ const char* c;
+
+ for (c = fc_buffer; *c != '\0'; c++) {
+ if (*c == '\n') {
+ numLines++;
+ }
+ }
+
+ // Actual height of letter region + line spacing
+ return font->height*numLines + font->lineSpacing*(numLines - 1); //height*numLines;
+}
+
+Uint16 FC_GetWidth(FC_Font* font, const char* formatted_text, ...) {
+ if (formatted_text == NULL || font == NULL) {
+ return 0;
+ }
+
+ FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
+
+ const char* c;
+ Uint16 width = 0;
+ Uint16 bigWidth = 0; // Allows for multi-line strings
+
+ for (c = fc_buffer; *c != '\0'; c++) {
+ if (*c == '\n') {
+ bigWidth = bigWidth >= width? bigWidth : width;
+ width = 0;
+ continue;
+ }
+
+ FC_GlyphData glyph;
+ Uint32 codepoint = FC_GetCodepointFromUTF8(&c, 1);
+ if (FC_GetGlyphData(font, &glyph, codepoint) || FC_GetGlyphData(font, &glyph, ' ')) {
+ width += glyph.rect.w;
+ }
+ }
+ bigWidth = bigWidth >= width? bigWidth : width;
+
+ return bigWidth;
+}
+
+// If width == -1, use no width limit
+FC_Rect FC_GetCharacterOffset(FC_Font* font, Uint16 position_index, int column_width, const char* formatted_text, ...) {
+ FC_Rect result = {0, 0, 1, FC_GetLineHeight(font)};
+ FC_StringList* ls, *iter;
+ int num_lines = 0;
+ Uint8 done = 0;
+
+ if (formatted_text == NULL || column_width == 0 || position_index == 0 || font == NULL) {
+ return result;
+ }
+
+ FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
+
+ ls = FC_GetBufferFitToColumn(font, column_width, FC_MakeScale(1,1), 1);
+ for (iter = ls; iter != NULL; iter = iter->next) {
+ char* line;
+ int i = 0;
+
+ ++num_lines;
+ for (line = iter->value; line != NULL && *line != '\0'; line = (char*)U8_next(line)) {
+ ++i;
+ --position_index;
+ if (position_index == 0) {
+ // FIXME: Doesn't handle box-wrapped newlines correctly
+ line = (char*)U8_next(line);
+ line[0] = '\0';
+ result.x = FC_GetWidth(font, "%s", iter->value);
+ done = 1;
+ break;
+ }
+ }
+ if (done) {
+ break;
+ }
+ }
+ FC_StringListFree(ls);
+
+ if (num_lines > 0) {
+ result.y = (num_lines - 1) * FC_GetLineHeight(font);
+ }
+
+ return result;
+}
+
+
+Uint16 FC_GetColumnHeight(FC_Font* font, Uint16 width, const char* formatted_text, ...) {
+ int y = 0;
+
+ FC_StringList* ls, *iter;
+
+ if (font == NULL) {
+ return 0;
+ }
+
+ if (formatted_text == NULL || width == 0) {
+ return font->height;
+ }
+
+ FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
+
+ ls = FC_GetBufferFitToColumn(font, width, FC_MakeScale(1,1), 0);
+ for (iter = ls; iter != NULL; iter = iter->next) {
+ y += FC_GetLineHeight(font);
+ }
+ FC_StringListFree(ls);
+
+ return y;
+}
+
+static int FC_GetAscentFromCodepoint(FC_Font* font, Uint32 codepoint) {
+ FC_GlyphData glyph;
+
+ if (font == NULL) {
+ return 0;
+ }
+
+ // FIXME: Store ascent so we can return it here
+ FC_GetGlyphData(font, &glyph, codepoint);
+ return glyph.rect.h;
+}
+
+static int FC_GetDescentFromCodepoint(FC_Font* font, Uint32 codepoint) {
+ FC_GlyphData glyph;
+
+ if (font == NULL) {
+ return 0;
+ }
+
+ // FIXME: Store descent so we can return it here
+ FC_GetGlyphData(font, &glyph, codepoint);
+ return glyph.rect.h;
+}
+
+int FC_GetAscent(FC_Font* font, const char* formatted_text, ...) {
+ Uint32 codepoint;
+ int max, ascent;
+ const char* c;
+
+ if (font == NULL) {
+ return 0;
+ }
+
+ if (formatted_text == NULL) {
+ return font->ascent;
+ }
+
+ FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
+
+ max = 0;
+ c = fc_buffer;
+
+ while (*c != '\0') {
+ codepoint = FC_GetCodepointFromUTF8(&c, 1);
+ if (codepoint != 0) {
+ ascent = FC_GetAscentFromCodepoint(font, codepoint);
+ if (ascent > max) {
+ max = ascent;
+ }
+ }
+ ++c;
+ }
+ return max;
+}
+
+int FC_GetDescent(FC_Font* font, const char* formatted_text, ...) {
+ Uint32 codepoint;
+ int max, descent;
+ const char* c;
+
+ if (font == NULL) {
+ return 0;
+ }
+
+ if (formatted_text == NULL) {
+ return font->descent;
+ }
+
+ FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
+
+ max = 0;
+ c = fc_buffer;
+
+ while (*c != '\0') {
+ codepoint = FC_GetCodepointFromUTF8(&c, 1);
+ if (codepoint != 0) {
+ descent = FC_GetDescentFromCodepoint(font, codepoint);
+ if (descent > max) {
+ max = descent;
+ }
+ }
+ ++c;
+ }
+ return max;
+}
+
+int FC_GetBaseline(FC_Font* font) {
+ if (font == NULL) {
+ return 0;
+ }
+
+ return font->baseline;
+}
+
+int FC_GetSpacing(FC_Font* font) {
+ if (font == NULL) {
+ return 0;
+ }
+
+ return font->letterSpacing;
+}
+
+int FC_GetLineSpacing(FC_Font* font) {
+ if (font == NULL) {
+ return 0;
+ }
+
+ return font->lineSpacing;
+}
+
+Uint16 FC_GetMaxWidth(FC_Font* font) {
+ if (font == NULL) {
+ return 0;
+ }
+
+ return font->maxWidth;
+}
+
+SDL_Color FC_GetDefaultColor(FC_Font* font) {
+ if (font == NULL) {
+ SDL_Color c = {0,0,0,255};
+ return c;
+ }
+
+ return font->default_color;
+}
+
+
+Uint8 FC_InRect(float x, float y, FC_Rect input_rect) {
+ return (input_rect.x <= x && x <= input_rect.x + input_rect.w && input_rect.y <= y && y <= input_rect.y + input_rect.h);
+}
+
+// TODO: Make it work with alignment
+Uint16 FC_GetPositionFromOffset(FC_Font* font, float x, float y, int column_width, FC_AlignEnum align, const char* formatted_text, ...) {
+ FC_StringList* ls, *iter;
+ Uint8 done = 0;
+ int height = FC_GetLineHeight(font);
+ Uint16 position = 0;
+ int current_x = 0;
+ int current_y = 0;
+ FC_GlyphData glyph_data;
+
+ if (formatted_text == NULL || column_width == 0 || font == NULL) {
+ return 0;
+ }
+
+ FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
+
+ ls = FC_GetBufferFitToColumn(font, column_width, FC_MakeScale(1,1), 1);
+ for (iter = ls; iter != NULL; iter = iter->next) {
+ char* line;
+
+ for (line = iter->value; line != NULL && *line != '\0'; line = (char*)U8_next(line)) {
+ if (FC_GetGlyphData(font, &glyph_data, FC_GetCodepointFromUTF8((const char**)&line, 0))) {
+ if (FC_InRect(x, y, FC_MakeRect(current_x, current_y, glyph_data.rect.w, glyph_data.rect.h))) {
+ done = 1;
+ break;
+ }
+
+ current_x += glyph_data.rect.w;
+ }
+ position++;
+ }
+ if (done) {
+ break;
+ }
+
+ current_x = 0;
+ current_y += height;
+ if (y < current_y) {
+ break;
+ }
+ }
+ FC_StringListFree(ls);
+
+ return position;
+}
+
+
+
+
+// Setters
+
+
+void FC_SetFilterMode(FC_Font* font, FC_FilterEnum filter) {
+ if (font == NULL) {
+ return;
+ }
+
+ if (font->filter != filter) {
+ font->filter = filter;
+
+#ifdef FC_USE_SDL_GPU
+ // Update each texture to use this filter mode
+ {
+ int i;
+ GPU_FilterEnum gpu_filter = GPU_FILTER_NEAREST;
+ if (FC_GetFilterMode(font) == FC_FILTER_LINEAR) {
+ gpu_filter = GPU_FILTER_LINEAR;
+ }
+
+ for (i = 0; i < font->glyph_cache_count; ++i) {
+ GPU_SetImageFilter(font->glyph_cache[i], gpu_filter);
+ }
+ }
+#endif
+ }
+}
+
+
+void FC_SetSpacing(FC_Font* font, int LetterSpacing) {
+ if (font == NULL) {
+ return;
+ }
+
+ font->letterSpacing = LetterSpacing;
+}
+
+void FC_SetLineSpacing(FC_Font* font, int LineSpacing) {
+ if (font == NULL) {
+ return;
+ }
+
+ font->lineSpacing = LineSpacing;
+}
+
+void FC_SetDefaultColor(FC_Font* font, SDL_Color color) {
+ if (font == NULL) {
+ return;
+ }
+
+ font->default_color = color;
+}
+
+
+
+
+
+
diff --git a/source/code/Libs/SDL_FontCache.cpp b/source/code/Libs/SDL_FontCache.cpp
deleted file mode 100644
index 451b937..0000000
--- a/source/code/Libs/SDL_FontCache.cpp
+++ /dev/null
@@ -1,2488 +0,0 @@
-/*
-SDL_FontCache v0.0.1: A font cache for SDL and SDL_ttf
-by Jonathan Dearborn
-Dedicated to the memory of Florian Hufsky
-
-License:
- The short:
- Use it however you'd like, but keep the copyright and license notice
- whenever these files or parts of them are distributed in uncompiled form.
-
- The long:
-Copyright (c) 2015 Jonathan Dearborn
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.
-*/
-
-#include "SDL_FontCache.h"
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-// Visual C does not support static inline
-#ifndef static_inline
-#ifdef _MSC_VER
-#define static_inline static
-#else
-#define static_inline static inline
-#endif
-#endif
-
-#if SDL_VERSION_ATLEAST(2,0,0)
-#define FC_GET_ALPHA(sdl_color) ((sdl_color).a)
-#else
-#define FC_GET_ALPHA(sdl_color) ((sdl_color).unused)
-#endif
-
-// Need SDL_RenderIsClipEnabled() for proper clipping support
-#if SDL_VERSION_ATLEAST(2,0,4)
-#define ENABLE_SDL_CLIPPING
-#endif
-
-#define FC_MIN(a,b) ((a) < (b)? (a) : (b))
-#define FC_MAX(a,b) ((a) > (b)? (a) : (b))
-
-
-#define FC_EXTRACT_VARARGS(buffer, start_args) \
-{ \
- va_list lst; \
- va_start(lst, start_args); \
- vsprintf(buffer, start_args, lst); \
- va_end(lst); \
-}
-
-// Extra pixels of padding around each glyph to avoid linear filtering artifacts
-#define FC_CACHE_PADDING 1
-
-
-
-static Uint8 has_clip(FC_Target* dest) {
-#ifdef FC_USE_SDL_GPU
- return dest->use_clip_rect;
-#elif defined(ENABLE_SDL_CLIPPING)
- return SDL_RenderIsClipEnabled(dest);
-#else
- return 0;
-#endif
-}
-
-static FC_Rect get_clip(FC_Target* dest) {
-#ifdef FC_USE_SDL_GPU
- return dest->clip_rect;
-#elif defined(ENABLE_SDL_CLIPPING)
- SDL_Rect r;
- SDL_RenderGetClipRect(dest, &r);
- return r;
-#else
- SDL_Rect r = {0, 0, 0, 0};
- return r;
-#endif
-}
-
-static void set_clip(FC_Target* dest, FC_Rect* rect) {
-#ifdef FC_USE_SDL_GPU
- if (rect != NULL) {
- GPU_SetClipRect(dest, *rect);
- }
- else {
- GPU_UnsetClip(dest);
- }
-#elif defined(ENABLE_SDL_CLIPPING)
- SDL_RenderSetClipRect(dest, rect);
-#endif
-}
-
-static void set_color(FC_Image* src, Uint8 r, Uint8 g, Uint8 b, Uint8 a) {
-#ifdef FC_USE_SDL_GPU
- GPU_SetRGBA(src, r, g, b, a);
-#else
- SDL_SetTextureColorMod(src, r, g, b);
- SDL_SetTextureAlphaMod(src, a);
-#endif
-}
-
-
-
-static char* new_concat(const char* a, const char* b) {
- // Create new buffer
- unsigned int size = strlen(a) + strlen(b);
- char* new_string = (char*)malloc(size+1);
-
- // Concatenate strings in the new buffer
- strcpy(new_string, a);
- strcat(new_string, b);
-
- return new_string;
-}
-
-static char* replace_concat(char** a, const char* b) {
- char* new_string = new_concat(*a, b);
- free(*a);
- *a = new_string;
- return *a;
-}
-
-
-
-
-
-// Shared buffer for variadic text
-static char* fc_buffer = NULL;
-
-static Uint8 fc_has_render_target_support = 0;
-
-const char* FC_GetStringASCII(void) {
- static char* buffer = NULL;
- if (buffer == NULL) {
- int i;
- char c;
- buffer = (char*)malloc(512);
- memset(buffer, 0, 512);
- i = 0;
- c = 32;
- while (1) {
- buffer[i] = c;
- if (c == 126) {
- break;
- }
- ++i;
- ++c;
- }
- }
- return buffer;
-}
-
-const char* FC_GetStringLatin1(void) {
- static char* buffer = NULL;
- if (buffer == NULL) {
- int i;
- unsigned char c;
- buffer = (char*)malloc(512);
- memset(buffer, 0, 512);
- i = 0;
- c = 0xA0;
- while (1) {
- buffer[i] = 0xC2;
- buffer[i+1] = c;
- if (c == 0xBF) {
- break;
- }
- i += 2;
- ++c;
- }
- i += 2;
- c = 0x80;
- while (1) {
- buffer[i] = 0xC3;
- buffer[i+1] = c;
- if (c == 0xBF) {
- break;
- }
- i += 2;
- ++c;
- }
- }
- return buffer;
-}
-
-const char* FC_GetStringASCII_Latin1(void) {
- static char* buffer = NULL;
- if (buffer == NULL) {
- buffer = new_concat(FC_GetStringASCII(), FC_GetStringLatin1());
- }
-
- return buffer;
-}
-
-FC_Rect FC_MakeRect(float x, float y, float w, float h) {
- FC_Rect r = {x, y, w, h};
- return r;
-}
-
-FC_Scale FC_MakeScale(float x, float y) {
- FC_Scale s = {x, y};
-
- return s;
-}
-
-SDL_Color FC_MakeColor(Uint8 r, Uint8 g, Uint8 b, Uint8 a) {
- SDL_Color c = {r, g, b, a};
-
- return c;
-}
-
-FC_Effect FC_MakeEffect(FC_AlignEnum alignment, FC_Scale scale, SDL_Color color) {
- FC_Effect e;
-
- e.alignment = alignment;
- e.scale = scale;
- e.color = color;
-
- return e;
-}
-
-FC_GlyphData FC_MakeGlyphData(int cache_level, Sint16 x, Sint16 y, Uint16 w, Uint16 h) {
- FC_GlyphData gd;
-
- gd.rect.x = x;
- gd.rect.y = y;
- gd.rect.w = w;
- gd.rect.h = h;
- gd.cache_level = cache_level;
-
- return gd;
-}
-
-// Enough to hold all of the ascii characters and some.
-#define FC_DEFAULT_NUM_BUCKETS 300
-
-typedef struct FC_MapNode {
- Uint32 key;
- FC_GlyphData value;
- struct FC_MapNode* next;
-
-} FC_MapNode;
-
-typedef struct FC_Map {
- int num_buckets;
- FC_MapNode** buckets;
-} FC_Map;
-
-
-
-static FC_Map* FC_MapCreate(int num_buckets) {
- int i;
- FC_Map* map = (FC_Map*)malloc(sizeof(FC_Map));
-
- map->num_buckets = num_buckets;
- map->buckets = (FC_MapNode**)malloc(num_buckets * sizeof(FC_MapNode*));
-
- for (i = 0; i < num_buckets; ++i) {
- map->buckets[i] = NULL;
- }
-
- return map;
-}
-
-/*static void FC_MapClear(FC_Map* map)
-{
- int i;
- if(map == NULL)
- return;
-
- // Go through each bucket
- for(i = 0; i < map->num_buckets; ++i)
- {
- // Delete the nodes in order
- FC_MapNode* node = map->buckets[i];
- while(node != NULL)
- {
- FC_MapNode* last = node;
- node = node->next;
- free(last);
- }
- // Set the bucket to empty
- map->buckets[i] = NULL;
- }
-}*/
-
-static void FC_MapFree(FC_Map* map) {
- int i;
- if (map == NULL) {
- return;
- }
-
- // Go through each bucket
- for (i = 0; i < map->num_buckets; ++i) {
- // Delete the nodes in order
- FC_MapNode* node = map->buckets[i];
- while (node != NULL) {
- FC_MapNode* last = node;
- node = node->next;
- free(last);
- }
- }
-
- free(map->buckets);
- free(map);
-}
-
-// Note: Does not handle duplicates in any special way.
-static FC_GlyphData* FC_MapInsert(FC_Map* map, Uint32 codepoint, FC_GlyphData glyph) {
- Uint32 index;
- FC_MapNode* node;
- if (map == NULL) {
- return NULL;
- }
-
- // Get index for bucket
- index = codepoint % map->num_buckets;
-
- // If this bucket is empty, create a node and return its value
- if (map->buckets[index] == NULL) {
- node = map->buckets[index] = (FC_MapNode*)malloc(sizeof(FC_MapNode));
- node->key = codepoint;
- node->value = glyph;
- node->next = NULL;
- return &node->value;
- }
-
- for (node = map->buckets[index]; node != NULL; node = node->next) {
- // Find empty node and add a new one on.
- if (node->next == NULL) {
- node->next = (FC_MapNode*)malloc(sizeof(FC_MapNode));
- node = node->next;
-
- node->key = codepoint;
- node->value = glyph;
- node->next = NULL;
- return &node->value;
- }
- }
-
- return NULL;
-}
-
-static FC_GlyphData* FC_MapFind(FC_Map* map, Uint32 codepoint) {
- Uint32 index;
- FC_MapNode* node;
- if (map == NULL) {
- return NULL;
- }
-
- // Get index for bucket
- index = codepoint % map->num_buckets;
-
- // Go through list until we find a match
- for (node = map->buckets[index]; node != NULL; node = node->next) {
- if (node->key == codepoint) {
- return &node->value;
- }
- }
-
- return NULL;
-}
-
-
-
-struct FC_Font {
-#ifndef FC_USE_SDL_GPU
- SDL_Renderer* renderer;
-#endif
-
- TTF_Font* ttf_source; // TTF_Font source of characters
- Uint8 owns_ttf_source; // Can we delete the TTF_Font ourselves?
-
- FC_FilterEnum filter;
-
- SDL_Color default_color;
- Uint16 height;
-
- Uint16 maxWidth;
- Uint16 baseline;
- int ascent;
- int descent;
-
- int lineSpacing;
- int letterSpacing;
-
- // Uses 32-bit (4-byte) Unicode codepoints to refer to each glyph
- // Codepoints are little endian (reversed from UTF-8) so that something like 0x00000005 is ASCII 5 and the map can be indexed by ASCII values
- FC_Map* glyphs;
-
- FC_GlyphData last_glyph; // Texture packing cursor
- int glyph_cache_size;
- int glyph_cache_count;
- FC_Image** glyph_cache;
-
- char* loading_string;
-
-};
-
-// Private
-static FC_GlyphData* FC_PackGlyphData(FC_Font* font, Uint32 codepoint, Uint16 width, Uint16 maxWidth, Uint16 maxHeight);
-
-
-static FC_Rect FC_RenderLeft(FC_Font* font, FC_Target* dest, float x, float y, FC_Scale scale, const char* text);
-static FC_Rect FC_RenderCenter(FC_Font* font, FC_Target* dest, float x, float y, FC_Scale scale, const char* text);
-static FC_Rect FC_RenderRight(FC_Font* font, FC_Target* dest, float x, float y, FC_Scale scale, const char* text);
-
-
-static_inline SDL_Surface* FC_CreateSurface32(Uint32 width, Uint32 height) {
-#if SDL_BYTEORDER == SDL_BIG_ENDIAN
- return SDL_CreateRGBSurface(SDL_SWSURFACE, width, height, 32, 0xFF000000, 0x00FF0000, 0x0000FF00, 0x000000FF);
-#else
- return SDL_CreateRGBSurface(SDL_SWSURFACE, width, height, 32, 0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000);
-#endif
-}
-
-
-char* U8_alloc(unsigned int size) {
- char* result;
- if (size == 0) {
- return NULL;
- }
-
- result = (char*)malloc(size);
- result[0] = '\0';
-
- return result;
-}
-
-void U8_free(char* string) {
- free(string);
-}
-
-char* U8_strdup(const char* string) {
- char* result;
- if (string == NULL) {
- return NULL;
- }
-
- result = (char*)malloc(strlen(string)+1);
- strcpy(result, string);
-
- return result;
-}
-
-int U8_strlen(const char* string) {
- int length = 0;
- if (string == NULL) {
- return 0;
- }
-
- while (*string != '\0') {
- string = U8_next(string);
- ++length;
- }
-
- return length;
-}
-
-int U8_charsize(const char* character) {
- if (character == NULL) {
- return 0;
- }
-
- if ((unsigned char)*character <= 0x7F) {
- return 1;
- }
- else if ((unsigned char)*character < 0xE0) {
- return 2;
- }
- else if ((unsigned char)*character < 0xF0) {
- return 3;
- }
- else {
- return 4;
- }
- return 1;
-}
-
-int U8_charcpy(char* buffer, const char* source, int buffer_size) {
- int charsize;
- if (buffer == NULL || source == NULL || buffer_size < 1) {
- return 0;
- }
-
- charsize = U8_charsize(source);
- if (charsize > buffer_size) {
- return 0;
- }
-
- memcpy(buffer, source, charsize);
- return charsize;
-}
-
-const char* U8_next(const char* string) {
- return string + U8_charsize(string);
-}
-
-int U8_strinsert(char* string, int position, const char* source, int max_bytes) {
- int pos_bytes;
- int len = strlen(string);
- int add_len = strlen(source);
- int ulen = U8_strlen(string);
-
- if (position == -1) {
- position = ulen;
- }
-
- if (string == NULL || source == NULL || position < 0 || position > ulen || len + add_len + 1 > max_bytes) {
- return 0;
- }
-
- // Move string pointer to the proper position
- pos_bytes = 0;
- while (*string != '\0' && pos_bytes < position) {
- string = (char*)U8_next(string);
- ++pos_bytes;
- }
-
- // Move the rest of the string out of the way
- memmove(string + add_len, string, len - pos_bytes + 1);
-
- // Copy in the new characters
- memcpy(string, source, add_len);
-
- return 1;
-}
-
-void U8_strdel(char* string, int position) {
- if (string == NULL || position < 0) {
- return;
- }
-
- while (*string != '\0') {
- if (position == 0) {
- int chars_to_erase = U8_charsize(string);
- int remaining_bytes = strlen(string) + 1;
- memmove(string, string + chars_to_erase, remaining_bytes);
- break;
- }
-
- string = (char*)U8_next(string);
- --position;
- }
-}
-
-
-
-
-
-static_inline FC_Rect FC_RectUnion(FC_Rect A, FC_Rect B) {
- float x,x2,y,y2;
- x = FC_MIN(A.x, B.x);
- y = FC_MIN(A.y, B.y);
- x2 = FC_MAX(A.x+A.w, B.x+B.w);
- y2 = FC_MAX(A.y+A.h, B.y+B.h);
- {
- FC_Rect result = {x, y, FC_MAX(0, x2 - x), FC_MAX(0, y2 - y)};
- return result;
- }
-}
-
-// Adapted from SDL_IntersectRect
-static_inline FC_Rect FC_RectIntersect(FC_Rect A, FC_Rect B) {
- FC_Rect result;
- float Amin, Amax, Bmin, Bmax;
-
- // Horizontal intersection
- Amin = A.x;
- Amax = Amin + A.w;
- Bmin = B.x;
- Bmax = Bmin + B.w;
- if (Bmin > Amin) {
- Amin = Bmin;
- }
- result.x = Amin;
- if (Bmax < Amax) {
- Amax = Bmax;
- }
- result.w = Amax - Amin > 0 ? Amax - Amin : 0;
-
- // Vertical intersection
- Amin = A.y;
- Amax = Amin + A.h;
- Bmin = B.y;
- Bmax = Bmin + B.h;
- if (Bmin > Amin) {
- Amin = Bmin;
- }
- result.y = Amin;
- if (Bmax < Amax) {
- Amax = Bmax;
- }
- result.h = Amax - Amin > 0 ? Amax - Amin : 0;
-
- return result;
-}
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-FC_Rect FC_DefaultRenderCallback(FC_Image* src, FC_Rect* srcrect, FC_Target* dest, float x, float y, float xscale, float yscale) {
- float w = srcrect->w * xscale;
- float h = srcrect->h * yscale;
- FC_Rect result;
-
- // FIXME: Why does the scaled offset look so wrong?
-#ifdef FC_USE_SDL_GPU
- {
- GPU_Rect r = *srcrect;
- GPU_BlitScale(src, &r, dest, x + xscale*r.w/2.0f, y + r.h/2.0f, xscale, yscale);
- }
-#else
- {
- int flip = SDL_FLIP_NONE;
- if (xscale < 0) {
- xscale = -xscale;
- flip |= SDL_FLIP_HORIZONTAL;
- }
- if (yscale < 0) {
- yscale = -yscale;
- flip |= SDL_FLIP_VERTICAL;
- }
-
- SDL_Rect r = *srcrect;
- SDL_Rect dr = {(int)x, (int)y, (int)(xscale*r.w), (int)(yscale*r.h)};
- SDL_RenderCopyEx(dest, src, &r, &dr, 0, NULL, (SDL_RendererFlip)flip);
- }
-#endif
-
- result.x = x;
- result.y = y;
- result.w = w;
- result.h = h;
- return result;
-}
-
-static FC_Rect (*fc_render_callback)(FC_Image* src, FC_Rect* srcrect, FC_Target* dest, float x, float y, float xscale, float yscale) = &FC_DefaultRenderCallback;
-
-void FC_SetRenderCallback(FC_Rect (*callback)(FC_Image* src, FC_Rect* srcrect, FC_Target* dest, float x, float y, float xscale, float yscale)) {
- if (callback == NULL) {
- fc_render_callback = &FC_DefaultRenderCallback;
- }
- else {
- fc_render_callback = callback;
- }
-}
-
-void FC_GetUTF8FromCodepoint(char* result, Uint32 codepoint) {
- char a, b, c, d;
-
- if (result == NULL) {
- return;
- }
-
- a = (codepoint >> 24) & 0xFF;
- b = (codepoint >> 16) & 0xFF;
- c = (codepoint >> 8) & 0xFF;
- d = codepoint & 0xFF;
-
- if (a == 0) {
- if (b == 0) {
- if (c == 0) {
- result[0] = d;
- result[1] = '\0';
- }
- else {
- result[0] = c;
- result[1] = d;
- result[2] = '\0';
- }
- }
- else {
- result[0] = b;
- result[1] = c;
- result[2] = d;
- result[3] = '\0';
- }
- }
- else {
- result[0] = a;
- result[1] = b;
- result[2] = c;
- result[3] = d;
- result[4] = '\0';
- }
-}
-
-Uint32 FC_GetCodepointFromUTF8(const char** c, Uint8 advance_pointer) {
- Uint32 result = 0;
- const char* str;
- if (c == NULL || *c == NULL) {
- return 0;
- }
-
- str = *c;
- if ((unsigned char)*str <= 0x7F) {
- result = *str;
- }
- else if ((unsigned char)*str < 0xE0) {
- result |= (unsigned char)(*str) << 8;
- result |= (unsigned char)(*(str+1));
- if (advance_pointer) {
- *c += 1;
- }
- }
- else if ((unsigned char)*str < 0xF0) {
- result |= (unsigned char)(*str) << 16;
- result |= (unsigned char)(*(str+1)) << 8;
- result |= (unsigned char)(*(str+2));
- if (advance_pointer) {
- *c += 2;
- }
- }
- else {
- result |= (unsigned char)(*str) << 24;
- result |= (unsigned char)(*(str+1)) << 16;
- result |= (unsigned char)(*(str+2)) << 8;
- result |= (unsigned char)(*(str+3));
- if (advance_pointer) {
- *c += 3;
- }
- }
- return result;
-}
-
-
-void FC_SetLoadingString(FC_Font* font, const char* string) {
- if (font == NULL) {
- return;
- }
-
- free(font->loading_string);
- font->loading_string = U8_strdup(string);
-}
-
-
-void FC_SetBufferSize(unsigned int size) {
- free(fc_buffer);
- if (size > 0) {
- fc_buffer = (char*)malloc(size);
- }
- else {
- fc_buffer = (char*)malloc(1024);
- }
-}
-
-
-
-
-
-// Constructors
-
-static void FC_Init(FC_Font* font) {
- if (font == NULL) {
- return;
- }
-
-#ifndef FC_USE_SDL_GPU
- font->renderer = NULL;
-#endif
-
- font->ttf_source = NULL;
- font->owns_ttf_source = 0;
-
- font->filter = FC_FILTER_NEAREST;
-
- font->default_color.r = 0;
- font->default_color.g = 0;
- font->default_color.b = 0;
- FC_GET_ALPHA(font->default_color) = 255;
-
- font->height = 0; // ascent+descent
-
- font->maxWidth = 0;
- font->baseline = 0;
- font->ascent = 0;
- font->descent = 0;
-
- font->lineSpacing = 0;
- font->letterSpacing = 0;
-
- // Give a little offset for when filtering/mipmaps are used. Depending on mipmap level, this will still not be enough.
- font->last_glyph.rect.x = FC_CACHE_PADDING;
- font->last_glyph.rect.y = FC_CACHE_PADDING;
- font->last_glyph.rect.w = 0;
- font->last_glyph.rect.h = 0;
- font->last_glyph.cache_level = 0;
-
- if (font->glyphs != NULL) {
- FC_MapFree(font->glyphs);
- }
-
- font->glyphs = FC_MapCreate(FC_DEFAULT_NUM_BUCKETS);
-
- font->glyph_cache_size = 3;
- font->glyph_cache_count = 0;
-
-
- font->glyph_cache = (FC_Image**)malloc(font->glyph_cache_size * sizeof(FC_Image*));
-
- if (font->loading_string == NULL) {
- font->loading_string = U8_strdup(FC_GetStringASCII());
- }
-
- if (fc_buffer == NULL) {
- fc_buffer = (char*)malloc(1024);
- }
-}
-
-static Uint8 FC_GrowGlyphCache(FC_Font* font) {
- if (font == NULL) {
- return 0;
- }
-#ifdef FC_USE_SDL_GPU
- GPU_Image* new_level = GPU_CreateImage(font->height * 12, font->height * 12, GPU_FORMAT_RGBA);
-#else
- SDL_Texture* new_level = SDL_CreateTexture(font->renderer, SDL_PIXELFORMAT_RGBA8888, SDL_TEXTUREACCESS_TARGET, font->height * 12, font->height * 12);
-#endif
- if (new_level == NULL || !FC_SetGlyphCacheLevel(font, font->glyph_cache_count, new_level)) {
- FC_Log("Error: SDL_FontCache ran out of packing space and could not add another cache level.\n");
-#ifdef FC_USE_SDL_GPU
- GPU_FreeImage(new_level);
-#else
- SDL_DestroyTexture(new_level);
-#endif
- return 0;
- }
- return 1;
-}
-
-static Uint8 FC_UploadGlyphCache(FC_Font* font, int cache_level, SDL_Surface* data_surface) {
- if (font == NULL || data_surface == NULL) {
- return 0;
- }
-#ifdef FC_USE_SDL_GPU
- GPU_Image* new_level = GPU_CopyImageFromSurface(data_surface);
- if (FC_GetFilterMode(font) == FC_FILTER_LINEAR) {
- GPU_SetImageFilter(new_level, GPU_FILTER_LINEAR);
- }
- else {
- GPU_SetImageFilter(new_level, GPU_FILTER_NEAREST);
- }
-#else
- SDL_Texture* new_level;
- if (!fc_has_render_target_support) {
- new_level = SDL_CreateTextureFromSurface(font->renderer, data_surface);
- }
- else {
- // Must upload with render target enabled so we can put more glyphs on later
- SDL_Renderer* renderer = font->renderer;
-
- // Set filter mode for new texture
- const char* old_filter_mode = SDL_GetHint(SDL_HINT_RENDER_SCALE_QUALITY);
- if (FC_GetFilterMode(font) == FC_FILTER_LINEAR) {
- SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "1");
- }
- else {
- SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "0");
- }
-
- new_level = SDL_CreateTexture(renderer, data_surface->format->format, SDL_TEXTUREACCESS_TARGET, data_surface->w, data_surface->h);
- SDL_SetTextureBlendMode(new_level, SDL_BLENDMODE_BLEND);
-
- // Reset filter mode for the temp texture
- SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "0");
-
- {
- Uint8 r, g, b, a;
- SDL_Texture* temp = SDL_CreateTextureFromSurface(renderer, data_surface);
- SDL_SetTextureBlendMode(temp, SDL_BLENDMODE_NONE);
- SDL_SetRenderTarget(renderer, new_level);
-
- SDL_GetRenderDrawColor(renderer, &r, &g, &b, &a);
- SDL_SetRenderDrawColor(renderer, 0, 0, 0, 0);
- SDL_RenderClear(renderer);
- SDL_SetRenderDrawColor(renderer, r, g, b, a);
-
- SDL_RenderCopy(renderer, temp, NULL, NULL);
- SDL_SetRenderTarget(renderer, NULL);
-
- SDL_DestroyTexture(temp);
- }
-
- // Reset to the old filter value
- SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, old_filter_mode);
-
- }
-#endif
- if (new_level == NULL || !FC_SetGlyphCacheLevel(font, cache_level, new_level)) {
- FC_Log("Error: SDL_FontCache ran out of packing space and could not add another cache level.\n");
-#ifdef FC_USE_SDL_GPU
- GPU_FreeImage(new_level);
-#else
- SDL_DestroyTexture(new_level);
-#endif
- return 0;
- }
- return 1;
-}
-
-static FC_GlyphData* FC_PackGlyphData(FC_Font* font, Uint32 codepoint, Uint16 width, Uint16 maxWidth, Uint16 maxHeight) {
- FC_Map* glyphs = font->glyphs;
- FC_GlyphData* last_glyph = &font->last_glyph;
- Uint16 height = font->height + FC_CACHE_PADDING;
-
- if (last_glyph->rect.x + last_glyph->rect.w + width >= maxWidth - FC_CACHE_PADDING) {
- if (last_glyph->rect.y + height + height >= maxHeight - FC_CACHE_PADDING) {
- // Get ready to pack on the next cache level when it is ready
- last_glyph->cache_level = font->glyph_cache_count;
- last_glyph->rect.x = FC_CACHE_PADDING;
- last_glyph->rect.y = FC_CACHE_PADDING;
- last_glyph->rect.w = 0;
- return NULL;
- }
- else {
- // Go to next row
- last_glyph->rect.x = FC_CACHE_PADDING;
- last_glyph->rect.y += height;
- last_glyph->rect.w = 0;
- }
- }
-
- // Move to next space
- last_glyph->rect.x += last_glyph->rect.w + 1 + FC_CACHE_PADDING;
- last_glyph->rect.w = width;
-
- return FC_MapInsert(glyphs, codepoint, FC_MakeGlyphData(last_glyph->cache_level, last_glyph->rect.x, last_glyph->rect.y, last_glyph->rect.w, last_glyph->rect.h));
-}
-
-
-FC_Image* FC_GetGlyphCacheLevel(FC_Font* font, int cache_level) {
- if (font == NULL || cache_level < 0 || cache_level > font->glyph_cache_count) {
- return NULL;
- }
-
- return font->glyph_cache[cache_level];
-}
-
-Uint8 FC_SetGlyphCacheLevel(FC_Font* font, int cache_level, FC_Image* cache_texture) {
- if (font == NULL || cache_level < 0) {
- return 0;
- }
-
- // Must be sequentially added
- if (cache_level > font->glyph_cache_count + 1) {
- return 0;
- }
-
- if (cache_level == font->glyph_cache_count) {
- font->glyph_cache_count++;
-
- // Grow cache?
- if (font->glyph_cache_count > font->glyph_cache_size) {
- // Copy old cache to new one
- int i;
- FC_Image** new_cache;
- new_cache = (FC_Image**)malloc(font->glyph_cache_count * sizeof(FC_Image*));
- for (i = 0; i < font->glyph_cache_size; ++i) {
- new_cache[i] = font->glyph_cache[i];
- }
-
- // Save new cache
- free(font->glyph_cache);
- font->glyph_cache_size = font->glyph_cache_count;
- font->glyph_cache = new_cache;
- }
- }
-
- font->glyph_cache[cache_level] = cache_texture;
- return 1;
-}
-
-
-FC_Font* FC_CreateFont(void) {
- FC_Font* font;
-
- font = (FC_Font*)malloc(sizeof(FC_Font));
- memset(font, 0, sizeof(FC_Font));
-
- FC_Init(font);
-
- return font;
-}
-
-
-// Assume this many will be enough...
-#define FC_LOAD_MAX_SURFACES 10
-
-#ifdef FC_USE_SDL_GPU
-Uint8 FC_LoadFontFromTTF(FC_Font* font, TTF_Font* ttf, SDL_Color color)
-#else
-Uint8 FC_LoadFontFromTTF(FC_Font* font, SDL_Renderer* renderer, TTF_Font* ttf, SDL_Color color)
-#endif
-{
- if (font == NULL || ttf == NULL) {
- return 0;
- }
-#ifndef FC_USE_SDL_GPU
- if (renderer == NULL) {
- return 0;
- }
-#endif
-
- FC_ClearFont(font);
-
-
- // Might as well check render target support here
-#ifdef FC_USE_SDL_GPU
- fc_has_render_target_support = GPU_IsFeatureEnabled(GPU_FEATURE_RENDER_TARGETS);
-#else
- SDL_RendererInfo info;
- SDL_GetRendererInfo(renderer, &info);
- fc_has_render_target_support = (info.flags & SDL_RENDERER_TARGETTEXTURE);
-
- font->renderer = renderer;
-#endif
-
- font->ttf_source = ttf;
-
- //font->line_height = TTF_FontLineSkip(ttf);
- font->height = TTF_FontHeight(ttf);
- font->ascent = TTF_FontAscent(ttf);
- font->descent = -TTF_FontDescent(ttf);
-
- font->baseline = font->height - font->descent;
-
- font->default_color = color;
-
- {
- SDL_Color white = {255, 255, 255, 255};
- SDL_Surface* glyph_surf;
- char buff[5];
- const char* buff_ptr = buff;
- const char* source_string;
- Uint8 packed = 0;
-
- // Copy glyphs from the surface to the font texture and store the position data
- // Pack row by row into a square texture
- // Try figuring out dimensions that make sense for the font size.
- unsigned int w = font->height*12;
- unsigned int h = font->height*12;
- SDL_Surface* surfaces[FC_LOAD_MAX_SURFACES];
- int num_surfaces = 1;
- surfaces[0] = FC_CreateSurface32(w, h);
- font->last_glyph.rect.x = FC_CACHE_PADDING;
- font->last_glyph.rect.y = FC_CACHE_PADDING;
- font->last_glyph.rect.w = 0;
- font->last_glyph.rect.h = font->height;
-
- memset(buff, 0, 5);
- source_string = font->loading_string;
- for (; *source_string != '\0'; source_string = U8_next(source_string)) {
- if (!U8_charcpy(buff, source_string, 5)) {
- continue;
- }
- glyph_surf = TTF_RenderUTF8_Blended(ttf, buff, white);
- if (glyph_surf == NULL) {
- continue;
- }
-
- // Try packing. If it fails, create a new surface for the next cache level.
- packed = (FC_PackGlyphData(font, FC_GetCodepointFromUTF8(&buff_ptr, 0), glyph_surf->w, surfaces[num_surfaces-1]->w, surfaces[num_surfaces-1]->h) != NULL);
- if (!packed) {
- int i = num_surfaces-1;
- if (num_surfaces >= FC_LOAD_MAX_SURFACES) {
- // Can't do any more!
- FC_Log("SDL_FontCache error: Could not create enough cache surfaces to fit all of the loading string!\n");
- SDL_FreeSurface(glyph_surf);
- break;
- }
-
- // Upload the current surface to the glyph cache now so we can keep the cache level packing cursor up to date as we go.
- FC_UploadGlyphCache(font, i, surfaces[i]);
- SDL_FreeSurface(surfaces[i]);
-#ifndef FC_USE_SDL_GPU
- SDL_SetTextureBlendMode(font->glyph_cache[i], SDL_BLENDMODE_BLEND);
-#endif
- // Update the glyph cursor to the new cache level. We need to do this here because the actual cache lags behind our use of the packing above.
- font->last_glyph.cache_level = num_surfaces;
-
-
- surfaces[num_surfaces] = FC_CreateSurface32(w, h);
- num_surfaces++;
- }
-
- // Try packing for the new surface, then blit onto it.
- if (packed || FC_PackGlyphData(font, FC_GetCodepointFromUTF8(&buff_ptr, 0), glyph_surf->w, surfaces[num_surfaces-1]->w, surfaces[num_surfaces-1]->h) != NULL) {
- SDL_SetSurfaceBlendMode(glyph_surf, SDL_BLENDMODE_NONE);
- SDL_Rect srcRect = {0, 0, glyph_surf->w, glyph_surf->h};
- SDL_Rect destrect = font->last_glyph.rect;
- SDL_BlitSurface(glyph_surf, &srcRect, surfaces[num_surfaces-1], &destrect);
- }
-
- SDL_FreeSurface(glyph_surf);
- }
-
- {
- int i = num_surfaces-1;
- FC_UploadGlyphCache(font, i, surfaces[i]);
- SDL_FreeSurface(surfaces[i]);
-#ifndef FC_USE_SDL_GPU
- SDL_SetTextureBlendMode(font->glyph_cache[i], SDL_BLENDMODE_BLEND);
-#endif
- }
- }
-
- return 1;
-}
-
-
-#ifdef FC_USE_SDL_GPU
-Uint8 FC_LoadFont(FC_Font* font, const char* filename_ttf, Uint32 pointSize, SDL_Color color, int style)
-#else
-Uint8 FC_LoadFont(FC_Font* font, FC_Target* renderer, const char* filename_ttf, Uint32 pointSize, SDL_Color color, int style)
-#endif
-{
- SDL_RWops* rwops;
-
- if (font == NULL) {
- return 0;
- }
-
- rwops = SDL_RWFromFile(filename_ttf, "rb");
-
- if (rwops == NULL) {
- FC_Log("Unable to open file for reading: %s \n", SDL_GetError());
- return 0;
- }
-
-#ifdef FC_USE_SDL_GPU
- return FC_LoadFont_RW(font, rwops, 1, pointSize, color, style);
-#else
- return FC_LoadFont_RW(font, renderer, rwops, 1, pointSize, color, style);
-#endif
-}
-
-#ifdef FC_USE_SDL_GPU
-Uint8 FC_LoadFont_RW(FC_Font* font, SDL_RWops* file_rwops_ttf, Uint8 own_rwops, Uint32 pointSize, SDL_Color color, int style)
-#else
-Uint8 FC_LoadFont_RW(FC_Font* font, FC_Target* renderer, SDL_RWops* file_rwops_ttf, Uint8 own_rwops, Uint32 pointSize, SDL_Color color, int style)
-#endif
-{
- Uint8 result;
- TTF_Font* ttf;
- Uint8 outline;
-
- if (font == NULL) {
- return 0;
- }
-
- if (!TTF_WasInit() && TTF_Init() < 0) {
- FC_Log("Unable to initialize SDL_ttf: %s \n", TTF_GetError());
- if (own_rwops) {
- SDL_RWclose(file_rwops_ttf);
- }
- return 0;
- }
-
- ttf = TTF_OpenFontRW(file_rwops_ttf, own_rwops, pointSize);
-
- if (ttf == NULL) {
- FC_Log("Unable to load TrueType font: %s \n", TTF_GetError());
- if (own_rwops) {
- SDL_RWclose(file_rwops_ttf);
- }
- return 0;
- }
-
- outline = (style & TTF_STYLE_OUTLINE);
- if (outline) {
- style &= ~TTF_STYLE_OUTLINE;
- TTF_SetFontOutline(ttf, 1);
- }
- TTF_SetFontStyle(ttf, style);
-
-#ifdef FC_USE_SDL_GPU
- result = FC_LoadFontFromTTF(font, ttf, color);
-#else
- result = FC_LoadFontFromTTF(font, renderer, ttf, color);
-#endif
-
- // Can only load new (uncached) glyphs if we can keep the SDL_RWops open.
- font->owns_ttf_source = own_rwops;
- if (!own_rwops) {
- TTF_CloseFont(font->ttf_source);
- font->ttf_source = NULL;
- }
-
- return result;
-}
-
-
-void FC_ClearFont(FC_Font* font) {
- int i;
- if (font == NULL) {
- return;
- }
-
- // Release resources
- if (font->owns_ttf_source) {
- TTF_CloseFont(font->ttf_source);
- }
-
- font->owns_ttf_source = 0;
- font->ttf_source = NULL;
-
- // Delete glyph map
- FC_MapFree(font->glyphs);
- font->glyphs = NULL;
-
- // Delete glyph cache
- for (i = 0; i < font->glyph_cache_count; ++i) {
-#ifdef FC_USE_SDL_GPU
- GPU_FreeImage(font->glyph_cache[i]);
-#else
- SDL_DestroyTexture(font->glyph_cache[i]);
-#endif
- }
- free(font->glyph_cache);
- font->glyph_cache = NULL;
-
- // Reset font
- FC_Init(font);
-}
-
-
-void FC_FreeFont(FC_Font* font) {
- int i;
- if (font == NULL) {
- return;
- }
-
- // Release resources
- if (font->owns_ttf_source) {
- TTF_CloseFont(font->ttf_source);
- }
-
- // Delete glyph map
- FC_MapFree(font->glyphs);
-
- // Delete glyph cache
- for (i = 0; i < font->glyph_cache_count; ++i) {
-#ifdef FC_USE_SDL_GPU
- GPU_FreeImage(font->glyph_cache[i]);
-#else
- SDL_DestroyTexture(font->glyph_cache[i]);
-#endif
- }
- free(font->glyph_cache);
-
- free(font->loading_string);
-
- free(font);
-}
-
-int FC_GetNumCacheLevels(FC_Font* font) {
- return font->glyph_cache_count;
-}
-
-Uint8 FC_AddGlyphToCache(FC_Font* font, SDL_Surface* glyph_surface) {
- if (font == NULL || glyph_surface == NULL) {
- return 0;
- }
-
- SDL_SetSurfaceBlendMode(glyph_surface, SDL_BLENDMODE_NONE);
- FC_Image* dest = FC_GetGlyphCacheLevel(font, font->last_glyph.cache_level);
- if (dest == NULL) {
- return 0;
- }
-
-#ifdef FC_USE_SDL_GPU
- {
- GPU_Target* target = GPU_LoadTarget(dest);
- if (target == NULL) {
- return 0;
- }
- GPU_Image* img = GPU_CopyImageFromSurface(glyph_surface);
- GPU_SetImageFilter(img, GPU_FILTER_NEAREST);
- GPU_SetBlendMode(img, GPU_BLEND_SET);
-
- SDL_Rect destrect = font->last_glyph.rect;
- GPU_Blit(img, NULL, target, destrect.x + destrect.w/2, destrect.y + destrect.h/2);
-
- GPU_FreeImage(img);
- GPU_FreeTarget(target);
- }
-#else
- {
- SDL_Texture* img = SDL_CreateTextureFromSurface(font->renderer, glyph_surface);
-
- SDL_Rect destrect = font->last_glyph.rect;
- SDL_SetRenderTarget(font->renderer, dest);
- SDL_RenderCopy(font->renderer, img, NULL, &destrect);
- SDL_SetRenderTarget(font->renderer, NULL);
- SDL_DestroyTexture(img);
- }
-#endif
-
- return 1;
-}
-
-Uint8 FC_GetGlyphData(FC_Font* font, FC_GlyphData* result, Uint32 codepoint) {
- FC_GlyphData* e = FC_MapFind(font->glyphs, codepoint);
- if (e == NULL || result == NULL) {
- char buff[5];
- int w, h;
- SDL_Color white = {255, 255, 255, 255};
- SDL_Surface* surf;
- FC_Image* cache_image;
-
- if (font->ttf_source == NULL) {
- return 0;
- }
-
- FC_GetUTF8FromCodepoint(buff, codepoint);
-
- cache_image = FC_GetGlyphCacheLevel(font, font->last_glyph.cache_level);
- if (cache_image == NULL) {
- FC_Log("SDL_FontCache: Failed to load cache image, so cannot add new glyphs!\n");
- return 0;
- }
-#ifdef FC_USE_SDL_GPU
- w = cache_image->w;
- h = cache_image->h;
-#else
- SDL_QueryTexture(cache_image, NULL, NULL, &w, &h);
-#endif
-
- surf = TTF_RenderUTF8_Blended(font->ttf_source, buff, white);
- if (surf == NULL) {
- return 0;
- }
-
- e = FC_PackGlyphData(font, codepoint, surf->w, w, h);
- if (e == NULL) {
- // Grow the cache
- FC_GrowGlyphCache(font);
-
- // Try packing again
- e = FC_PackGlyphData(font, codepoint, surf->w, w, h);
- if (e == NULL) {
- SDL_FreeSurface(surf);
- return 0;
- }
- }
-
- // Render onto the cache texture
- FC_AddGlyphToCache(font, surf);
-
- SDL_FreeSurface(surf);
- }
-
- if (result != NULL && e != NULL) {
- *result = *e;
- }
-
- return 1;
-}
-
-
-FC_GlyphData* FC_SetGlyphData(FC_Font* font, Uint32 codepoint, FC_GlyphData glyph_data) {
- return FC_MapInsert(font->glyphs, codepoint, glyph_data);
-}
-
-
-// Drawing
-static FC_Rect FC_RenderLeft(FC_Font* font, FC_Target* dest, float x, float y, FC_Scale scale, const char* text) {
- const char* c = text;
- FC_Rect srcRect;
- FC_Rect dstRect;
- FC_Rect dirtyRect = FC_MakeRect(x, y, 0, 0);
-
- FC_GlyphData glyph;
- Uint32 codepoint;
-
- float destX = x;
- float destY = y;
- float destH;
- float destLineSpacing;
- float destLetterSpacing;
-
- if (font == NULL) {
- return dirtyRect;
- }
-
- destH = font->height * scale.y;
- destLineSpacing = font->lineSpacing*scale.y;
- destLetterSpacing = font->letterSpacing*scale.x;
-
- if (c == NULL || font->glyph_cache_count == 0 || dest == NULL) {
- return dirtyRect;
- }
-
- int newlineX = x;
-
- for (; *c != '\0'; c++) {
- if (*c == '\n') {
- destX = newlineX;
- destY += destH + destLineSpacing;
- continue;
- }
-
- codepoint = FC_GetCodepointFromUTF8(&c, 1); // Increments 'c' to skip the extra UTF-8 bytes
- if (!FC_GetGlyphData(font, &glyph, codepoint)) {
- codepoint = ' ';
- if (!FC_GetGlyphData(font, &glyph, codepoint)) {
- continue; // Skip bad characters
- }
- }
-
- if (codepoint == ' ') {
- destX += glyph.rect.w*scale.x + destLetterSpacing;
- continue;
- }
- /*if(destX >= dest->w)
- continue;
- if(destY >= dest->h)
- continue;*/
-
-#ifdef FC_USE_SDL_GPU
- srcRect.x = glyph.rect.x;
- srcRect.y = glyph.rect.y;
- srcRect.w = glyph.rect.w;
- srcRect.h = glyph.rect.h;
-#else
- srcRect = glyph.rect;
-#endif
- dstRect = fc_render_callback(FC_GetGlyphCacheLevel(font, glyph.cache_level), &srcRect, dest, destX, destY, scale.x, scale.y);
- if (dirtyRect.w == 0 || dirtyRect.h == 0) {
- dirtyRect = dstRect;
- }
- else {
- dirtyRect = FC_RectUnion(dirtyRect, dstRect);
- }
-
- destX += glyph.rect.w*scale.x + destLetterSpacing;
- }
-
- return dirtyRect;
-}
-
-static void set_color_for_all_caches(FC_Font* font, SDL_Color color) {
- // TODO: How can I predict which glyph caches are to be used?
- FC_Image* img;
- int i;
- int num_levels = FC_GetNumCacheLevels(font);
- for (i = 0; i < num_levels; ++i) {
- img = FC_GetGlyphCacheLevel(font, i);
- set_color(img, color.r, color.g, color.b, FC_GET_ALPHA(color));
- }
-}
-
-FC_Rect FC_Draw(FC_Font* font, FC_Target* dest, float x, float y, const char* formatted_text, ...) {
- if (formatted_text == NULL || font == NULL) {
- return FC_MakeRect(x, y, 0, 0);
- }
-
- FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
-
- set_color_for_all_caches(font, font->default_color);
-
- return FC_RenderLeft(font, dest, x, y, FC_MakeScale(1,1), fc_buffer);
-}
-
-
-
-typedef struct FC_StringList {
- char* value;
- struct FC_StringList* next;
-} FC_StringList;
-
-void FC_StringListFree(FC_StringList* node) {
- // Delete the nodes in order
- while (node != NULL) {
- FC_StringList* last = node;
- node = node->next;
-
- free(last->value);
- free(last);
- }
-}
-
-FC_StringList** FC_StringListPushBack(FC_StringList** node, char* value, Uint8 copy) {
- // Get to the last node
- while (node != NULL && *node != NULL) {
- node = &(*node)->next;
- }
-
- *node = (FC_StringList*)malloc(sizeof(FC_StringList));
-
- (*node)->value = (copy? U8_strdup(value) : value);
- (*node)->next = NULL;
-
- return node;
-}
-
-static FC_StringList* FC_Explode(const char* text, char delimiter) {
- FC_StringList* head;
- FC_StringList* new_node;
- FC_StringList** node;
- const char* start;
- const char* end;
- unsigned int size;
- if (text == NULL) {
- return NULL;
- }
-
- head = NULL;
- node = &head;
-
- // Doesn't technically support UTF-8, but it's probably fine, right?
- size = 0;
- start = end = text;
- while (1) {
- if (*end == delimiter || *end == '\0') {
- *node = (FC_StringList*)malloc(sizeof(FC_StringList));
- new_node = *node;
-
- new_node->value = (char*)malloc(size + 1);
- memcpy(new_node->value, start, size);
- new_node->value[size] = '\0';
-
- new_node->next = NULL;
-
- if (*end == '\0') {
- break;
- }
-
- node = &((*node)->next);
- start = end+1;
- size = 0;
- }
- else {
- ++size;
- }
-
- ++end;
- }
-
- return head;
-}
-
-static FC_StringList* FC_ExplodeAndKeep(const char* text, char delimiter) {
- FC_StringList* head;
- FC_StringList* new_node;
- FC_StringList** node;
- const char* start;
- const char* end;
- unsigned int size;
- if (text == NULL) {
- return NULL;
- }
-
- head = NULL;
- node = &head;
-
- // Doesn't technically support UTF-8, but it's probably fine, right?
- size = 0;
- start = end = text;
- while (1) {
- if (*end == delimiter || *end == '\0') {
- *node = (FC_StringList*)malloc(sizeof(FC_StringList));
- new_node = *node;
-
- new_node->value = (char*)malloc(size + 1);
- memcpy(new_node->value, start, size);
- new_node->value[size] = '\0';
-
- new_node->next = NULL;
-
- if (*end == '\0') {
- break;
- }
-
- node = &((*node)->next);
- start = end;
- size = 1;
- }
- else {
- ++size;
- }
-
- ++end;
- }
-
- return head;
-}
-
-static void FC_RenderAlign(FC_Font* font, FC_Target* dest, float x, float y, int width, FC_Scale scale, FC_AlignEnum align, const char* text) {
- switch (align) {
- case FC_ALIGN_LEFT:
- FC_RenderLeft(font, dest, x, y, scale, text);
- break;
- case FC_ALIGN_CENTER:
- FC_RenderCenter(font, dest, x + width/2, y, scale, text);
- break;
- case FC_ALIGN_RIGHT:
- FC_RenderRight(font, dest, x + width, y, scale, text);
- break;
- }
-}
-
-static FC_StringList* FC_GetBufferFitToColumn(FC_Font* font, int width, FC_Scale scale, Uint8 keep_newlines) {
- FC_StringList* result = NULL;
- FC_StringList** current = &result;
-
- FC_StringList* ls, *iter;
-
- ls = (keep_newlines? FC_ExplodeAndKeep(fc_buffer, '\n') : FC_Explode(fc_buffer, '\n'));
- for (iter = ls; iter != NULL; iter = iter->next) {
- char* line = iter->value;
-
- // If line is too long, then add words one at a time until we go over.
- if (width > 0 && FC_GetWidth(font, "%s", line) > width) {
- FC_StringList* words, *word_iter;
-
- words = FC_Explode(line, ' ');
- // Skip the first word for the iterator, so there will always be at least one word per line
- line = new_concat(words->value, " ");
- for (word_iter = words->next; word_iter != NULL; word_iter = word_iter->next) {
- char* line_plus_word = new_concat(line, word_iter->value);
- char* word_plus_space = new_concat(word_iter->value, " ");
- if (FC_GetWidth(font, line_plus_word) > width) {
- current = FC_StringListPushBack(current, line, 0);
-
- line = word_plus_space;
- }
- else {
- replace_concat(&line, word_plus_space);
- free(word_plus_space);
- }
- free(line_plus_word);
- }
- current = FC_StringListPushBack(current, line, 0);
- FC_StringListFree(words);
- }
- else {
- current = FC_StringListPushBack(current, line, 0);
- iter->value = NULL;
- }
- }
- FC_StringListFree(ls);
-
- return result;
-}
-
-static void FC_DrawColumnFromBuffer(FC_Font* font, FC_Target* dest, FC_Rect box, int* total_height, FC_Scale scale, FC_AlignEnum align) {
- int y = box.y;
- FC_StringList* ls, *iter;
-
- ls = FC_GetBufferFitToColumn(font, box.w, scale, 0);
- for (iter = ls; iter != NULL; iter = iter->next) {
- FC_RenderAlign(font, dest, box.x, y, box.w, scale, align, iter->value);
- y += FC_GetLineHeight(font);
- }
- FC_StringListFree(ls);
-
- if (total_height != NULL) {
- *total_height = y - box.y;
- }
-}
-
-FC_Rect FC_DrawBox(FC_Font* font, FC_Target* dest, FC_Rect box, const char* formatted_text, ...) {
- Uint8 useClip;
- if (formatted_text == NULL || font == NULL) {
- return FC_MakeRect(box.x, box.y, 0, 0);
- }
-
- FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
-
- useClip = has_clip(dest);
- FC_Rect oldclip, newclip;
- if (useClip) {
- oldclip = get_clip(dest);
- newclip = FC_RectIntersect(oldclip, box);
- }
- else {
- newclip = box;
- }
- set_clip(dest, &newclip);
-
- set_color_for_all_caches(font, font->default_color);
-
- FC_DrawColumnFromBuffer(font, dest, box, NULL, FC_MakeScale(1,1), FC_ALIGN_LEFT);
-
- if (useClip) {
- set_clip(dest, &oldclip);
- }
- else {
- set_clip(dest, NULL);
- }
-
- return box;
-}
-
-FC_Rect FC_DrawBoxAlign(FC_Font* font, FC_Target* dest, FC_Rect box, FC_AlignEnum align, const char* formatted_text, ...) {
- Uint8 useClip;
- if (formatted_text == NULL || font == NULL) {
- return FC_MakeRect(box.x, box.y, 0, 0);
- }
-
- FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
-
- useClip = has_clip(dest);
- FC_Rect oldclip, newclip;
- if (useClip) {
- oldclip = get_clip(dest);
- newclip = FC_RectIntersect(oldclip, box);
- }
- else {
- newclip = box;
- }
- set_clip(dest, &newclip);
-
- set_color_for_all_caches(font, font->default_color);
-
- FC_DrawColumnFromBuffer(font, dest, box, NULL, FC_MakeScale(1,1), align);
-
- if (useClip) {
- set_clip(dest, &oldclip);
- }
- else {
- set_clip(dest, NULL);
- }
-
- return box;
-}
-
-FC_Rect FC_DrawBoxScale(FC_Font* font, FC_Target* dest, FC_Rect box, FC_Scale scale, const char* formatted_text, ...) {
- Uint8 useClip;
- if (formatted_text == NULL || font == NULL) {
- return FC_MakeRect(box.x, box.y, 0, 0);
- }
-
- FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
-
- useClip = has_clip(dest);
- FC_Rect oldclip, newclip;
- if (useClip) {
- oldclip = get_clip(dest);
- newclip = FC_RectIntersect(oldclip, box);
- }
- else {
- newclip = box;
- }
- set_clip(dest, &newclip);
-
- set_color_for_all_caches(font, font->default_color);
-
- FC_DrawColumnFromBuffer(font, dest, box, NULL, scale, FC_ALIGN_LEFT);
-
- if (useClip) {
- set_clip(dest, &oldclip);
- }
- else {
- set_clip(dest, NULL);
- }
-
- return box;
-}
-
-FC_Rect FC_DrawBoxColor(FC_Font* font, FC_Target* dest, FC_Rect box, SDL_Color color, const char* formatted_text, ...) {
- Uint8 useClip;
- if (formatted_text == NULL || font == NULL) {
- return FC_MakeRect(box.x, box.y, 0, 0);
- }
-
- FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
-
- useClip = has_clip(dest);
- FC_Rect oldclip, newclip;
- if (useClip) {
- oldclip = get_clip(dest);
- newclip = FC_RectIntersect(oldclip, box);
- }
- else {
- newclip = box;
- }
- set_clip(dest, &newclip);
-
- set_color_for_all_caches(font, color);
-
- FC_DrawColumnFromBuffer(font, dest, box, NULL, FC_MakeScale(1,1), FC_ALIGN_LEFT);
-
- if (useClip) {
- set_clip(dest, &oldclip);
- }
- else {
- set_clip(dest, NULL);
- }
-
- return box;
-}
-
-FC_Rect FC_DrawBoxEffect(FC_Font* font, FC_Target* dest, FC_Rect box, FC_Effect effect, const char* formatted_text, ...) {
- Uint8 useClip;
- if (formatted_text == NULL || font == NULL) {
- return FC_MakeRect(box.x, box.y, 0, 0);
- }
-
- FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
-
- useClip = has_clip(dest);
- FC_Rect oldclip, newclip;
- if (useClip) {
- oldclip = get_clip(dest);
- newclip = FC_RectIntersect(oldclip, box);
- }
- else {
- newclip = box;
- }
- set_clip(dest, &newclip);
-
- set_color_for_all_caches(font, effect.color);
-
- FC_DrawColumnFromBuffer(font, dest, box, NULL, effect.scale, effect.alignment);
-
- if (useClip) {
- set_clip(dest, &oldclip);
- }
- else {
- set_clip(dest, NULL);
- }
-
- return box;
-}
-
-FC_Rect FC_DrawColumn(FC_Font* font, FC_Target* dest, float x, float y, Uint16 width, const char* formatted_text, ...) {
- FC_Rect box = {x, y, width, 0};
- int total_height;
-
- if (formatted_text == NULL || font == NULL) {
- return FC_MakeRect(x, y, 0, 0);
- }
-
- FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
-
- set_color_for_all_caches(font, font->default_color);
-
- FC_DrawColumnFromBuffer(font, dest, box, &total_height, FC_MakeScale(1,1), FC_ALIGN_LEFT);
-
- return FC_MakeRect(box.x, box.y, width, total_height);
-}
-
-FC_Rect FC_DrawColumnAlign(FC_Font* font, FC_Target* dest, float x, float y, Uint16 width, FC_AlignEnum align, const char* formatted_text, ...) {
- FC_Rect box = {x, y, width, 0};
- int total_height;
-
- if (formatted_text == NULL || font == NULL) {
- return FC_MakeRect(x, y, 0, 0);
- }
-
- FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
-
- set_color_for_all_caches(font, font->default_color);
-
- switch (align) {
- case FC_ALIGN_CENTER:
- box.x -= width/2;
- break;
- case FC_ALIGN_RIGHT:
- box.x -= width;
- break;
- default:
- break;
- }
-
- FC_DrawColumnFromBuffer(font, dest, box, &total_height, FC_MakeScale(1,1), align);
-
- return FC_MakeRect(box.x, box.y, width, total_height);
-}
-
-FC_Rect FC_DrawColumnScale(FC_Font* font, FC_Target* dest, float x, float y, Uint16 width, FC_Scale scale, const char* formatted_text, ...) {
- FC_Rect box = {x, y, width, 0};
- int total_height;
-
- if (formatted_text == NULL || font == NULL) {
- return FC_MakeRect(x, y, 0, 0);
- }
-
- FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
-
- set_color_for_all_caches(font, font->default_color);
-
- FC_DrawColumnFromBuffer(font, dest, box, &total_height, scale, FC_ALIGN_LEFT);
-
- return FC_MakeRect(box.x, box.y, width, total_height);
-}
-
-FC_Rect FC_DrawColumnColor(FC_Font* font, FC_Target* dest, float x, float y, Uint16 width, SDL_Color color, const char* formatted_text, ...) {
- FC_Rect box = {x, y, width, 0};
- int total_height;
-
- if (formatted_text == NULL || font == NULL) {
- return FC_MakeRect(x, y, 0, 0);
- }
-
- FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
-
- set_color_for_all_caches(font, color);
-
- FC_DrawColumnFromBuffer(font, dest, box, &total_height, FC_MakeScale(1,1), FC_ALIGN_LEFT);
-
- return FC_MakeRect(box.x, box.y, width, total_height);
-}
-
-FC_Rect FC_DrawColumnEffect(FC_Font* font, FC_Target* dest, float x, float y, Uint16 width, FC_Effect effect, const char* formatted_text, ...) {
- FC_Rect box = {x, y, width, 0};
- int total_height;
-
- if (formatted_text == NULL || font == NULL) {
- return FC_MakeRect(x, y, 0, 0);
- }
-
- FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
-
- set_color_for_all_caches(font, effect.color);
-
- switch (effect.alignment) {
- case FC_ALIGN_CENTER:
- box.x -= width/2;
- break;
- case FC_ALIGN_RIGHT:
- box.x -= width;
- break;
- default:
- break;
- }
-
- FC_DrawColumnFromBuffer(font, dest, box, &total_height, effect.scale, effect.alignment);
-
- return FC_MakeRect(box.x, box.y, width, total_height);
-}
-
-static FC_Rect FC_RenderCenter(FC_Font* font, FC_Target* dest, float x, float y, FC_Scale scale, const char* text) {
- FC_Rect result = {x, y, 0, 0};
- if (text == NULL || font == NULL) {
- return result;
- }
-
- char* str = U8_strdup(text);
- char* del = str;
- char* c;
-
- // Go through str, when you find a \n, replace it with \0 and print it
- // then move down, back, and continue.
- for (c = str; *c != '\0';) {
- if (*c == '\n') {
- *c = '\0';
- result = FC_RectUnion(FC_RenderLeft(font, dest, x - scale.x*FC_GetWidth(font, "%s", str)/2.0f, y, scale, str), result);
- *c = '\n';
- c++;
- str = c;
- y += scale.y*font->height;
- }
- else {
- c++;
- }
- }
-
- result = FC_RectUnion(FC_RenderLeft(font, dest, x - scale.x*FC_GetWidth(font, "%s", str)/2.0f, y, scale, str), result);
-
- free(del);
- return result;
-}
-
-static FC_Rect FC_RenderRight(FC_Font* font, FC_Target* dest, float x, float y, FC_Scale scale, const char* text) {
- FC_Rect result = {x, y, 0, 0};
- if (text == NULL || font == NULL) {
- return result;
- }
-
- char* str = U8_strdup(text);
- char* del = str;
- char* c;
-
- for (c = str; *c != '\0';) {
- if (*c == '\n') {
- *c = '\0';
- result = FC_RectUnion(FC_RenderLeft(font, dest, x - scale.x*FC_GetWidth(font, "%s", str), y, scale, str), result);
- *c = '\n';
- c++;
- str = c;
- y += scale.y*font->height;
- }
- else {
- c++;
- }
- }
-
- result = FC_RectUnion(FC_RenderLeft(font, dest, x - scale.x*FC_GetWidth(font, "%s", str), y, scale, str), result);
-
- free(del);
- return result;
-}
-
-
-
-FC_Rect FC_DrawScale(FC_Font* font, FC_Target* dest, float x, float y, FC_Scale scale, const char* formatted_text, ...) {
- if (formatted_text == NULL || font == NULL) {
- return FC_MakeRect(x, y, 0, 0);
- }
-
- FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
-
- set_color_for_all_caches(font, font->default_color);
-
- return FC_RenderLeft(font, dest, x, y, scale, fc_buffer);
-}
-
-FC_Rect FC_DrawAlign(FC_Font* font, FC_Target* dest, float x, float y, FC_AlignEnum align, const char* formatted_text, ...) {
- if (formatted_text == NULL || font == NULL) {
- return FC_MakeRect(x, y, 0, 0);
- }
-
- FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
-
- set_color_for_all_caches(font, font->default_color);
-
- FC_Rect result;
- switch (align) {
- case FC_ALIGN_LEFT:
- result = FC_RenderLeft(font, dest, x, y, FC_MakeScale(1,1), fc_buffer);
- break;
- case FC_ALIGN_CENTER:
- result = FC_RenderCenter(font, dest, x, y, FC_MakeScale(1,1), fc_buffer);
- break;
- case FC_ALIGN_RIGHT:
- result = FC_RenderRight(font, dest, x, y, FC_MakeScale(1,1), fc_buffer);
- break;
- default:
- result = FC_MakeRect(x, y, 0, 0);
- break;
- }
-
- return result;
-}
-
-FC_Rect FC_DrawColor(FC_Font* font, FC_Target* dest, float x, float y, SDL_Color color, const char* formatted_text, ...) {
- if (formatted_text == NULL || font == NULL) {
- return FC_MakeRect(x, y, 0, 0);
- }
-
- FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
-
- set_color_for_all_caches(font, color);
-
- return FC_RenderLeft(font, dest, x, y, FC_MakeScale(1,1), fc_buffer);
-}
-
-
-FC_Rect FC_DrawEffect(FC_Font* font, FC_Target* dest, float x, float y, FC_Effect effect, const char* formatted_text, ...) {
- if (formatted_text == NULL || font == NULL) {
- return FC_MakeRect(x, y, 0, 0);
- }
-
- FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
-
- set_color_for_all_caches(font, effect.color);
-
- FC_Rect result;
- switch (effect.alignment) {
- case FC_ALIGN_LEFT:
- result = FC_RenderLeft(font, dest, x, y, effect.scale, fc_buffer);
- break;
- case FC_ALIGN_CENTER:
- result = FC_RenderCenter(font, dest, x, y, effect.scale, fc_buffer);
- break;
- case FC_ALIGN_RIGHT:
- result = FC_RenderRight(font, dest, x, y, effect.scale, fc_buffer);
- break;
- default:
- result = FC_MakeRect(x, y, 0, 0);
- break;
- }
-
- return result;
-}
-
-
-
-
-// Getters
-
-
-FC_FilterEnum FC_GetFilterMode(FC_Font* font) {
- if (font == NULL) {
- return FC_FILTER_NEAREST;
- }
-
- return font->filter;
-}
-
-Uint16 FC_GetLineHeight(FC_Font* font) {
- if (font == NULL) {
- return 0;
- }
-
- return font->height;
-}
-
-Uint16 FC_GetHeight(FC_Font* font, const char* formatted_text, ...) {
- if (formatted_text == NULL || font == NULL) {
- return 0;
- }
-
- FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
-
- Uint16 numLines = 1;
- const char* c;
-
- for (c = fc_buffer; *c != '\0'; c++) {
- if (*c == '\n') {
- numLines++;
- }
- }
-
- // Actual height of letter region + line spacing
- return font->height*numLines + font->lineSpacing*(numLines - 1); //height*numLines;
-}
-
-Uint16 FC_GetWidth(FC_Font* font, const char* formatted_text, ...) {
- if (formatted_text == NULL || font == NULL) {
- return 0;
- }
-
- FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
-
- const char* c;
- Uint16 width = 0;
- Uint16 bigWidth = 0; // Allows for multi-line strings
-
- for (c = fc_buffer; *c != '\0'; c++) {
- if (*c == '\n') {
- bigWidth = bigWidth >= width? bigWidth : width;
- width = 0;
- continue;
- }
-
- FC_GlyphData glyph;
- Uint32 codepoint = FC_GetCodepointFromUTF8(&c, 1);
- if (FC_GetGlyphData(font, &glyph, codepoint) || FC_GetGlyphData(font, &glyph, ' ')) {
- width += glyph.rect.w;
- }
- }
- bigWidth = bigWidth >= width? bigWidth : width;
-
- return bigWidth;
-}
-
-// If width == -1, use no width limit
-FC_Rect FC_GetCharacterOffset(FC_Font* font, Uint16 position_index, int column_width, const char* formatted_text, ...) {
- FC_Rect result = {0, 0, 1, FC_GetLineHeight(font)};
- FC_StringList* ls, *iter;
- int num_lines = 0;
- Uint8 done = 0;
-
- if (formatted_text == NULL || column_width == 0 || position_index == 0 || font == NULL) {
- return result;
- }
-
- FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
-
- ls = FC_GetBufferFitToColumn(font, column_width, FC_MakeScale(1,1), 1);
- for (iter = ls; iter != NULL; iter = iter->next) {
- char* line;
- int i = 0;
-
- ++num_lines;
- for (line = iter->value; line != NULL && *line != '\0'; line = (char*)U8_next(line)) {
- ++i;
- --position_index;
- if (position_index == 0) {
- // FIXME: Doesn't handle box-wrapped newlines correctly
- line = (char*)U8_next(line);
- line[0] = '\0';
- result.x = FC_GetWidth(font, "%s", iter->value);
- done = 1;
- break;
- }
- }
- if (done) {
- break;
- }
- }
- FC_StringListFree(ls);
-
- if (num_lines > 0) {
- result.y = (num_lines - 1) * FC_GetLineHeight(font);
- }
-
- return result;
-}
-
-
-Uint16 FC_GetColumnHeight(FC_Font* font, Uint16 width, const char* formatted_text, ...) {
- int y = 0;
-
- FC_StringList* ls, *iter;
-
- if (font == NULL) {
- return 0;
- }
-
- if (formatted_text == NULL || width == 0) {
- return font->height;
- }
-
- FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
-
- ls = FC_GetBufferFitToColumn(font, width, FC_MakeScale(1,1), 0);
- for (iter = ls; iter != NULL; iter = iter->next) {
- y += FC_GetLineHeight(font);
- }
- FC_StringListFree(ls);
-
- return y;
-}
-
-static int FC_GetAscentFromCodepoint(FC_Font* font, Uint32 codepoint) {
- FC_GlyphData glyph;
-
- if (font == NULL) {
- return 0;
- }
-
- // FIXME: Store ascent so we can return it here
- FC_GetGlyphData(font, &glyph, codepoint);
- return glyph.rect.h;
-}
-
-static int FC_GetDescentFromCodepoint(FC_Font* font, Uint32 codepoint) {
- FC_GlyphData glyph;
-
- if (font == NULL) {
- return 0;
- }
-
- // FIXME: Store descent so we can return it here
- FC_GetGlyphData(font, &glyph, codepoint);
- return glyph.rect.h;
-}
-
-int FC_GetAscent(FC_Font* font, const char* formatted_text, ...) {
- Uint32 codepoint;
- int max, ascent;
- const char* c;
-
- if (font == NULL) {
- return 0;
- }
-
- if (formatted_text == NULL) {
- return font->ascent;
- }
-
- FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
-
- max = 0;
- c = fc_buffer;
-
- while (*c != '\0') {
- codepoint = FC_GetCodepointFromUTF8(&c, 1);
- if (codepoint != 0) {
- ascent = FC_GetAscentFromCodepoint(font, codepoint);
- if (ascent > max) {
- max = ascent;
- }
- }
- ++c;
- }
- return max;
-}
-
-int FC_GetDescent(FC_Font* font, const char* formatted_text, ...) {
- Uint32 codepoint;
- int max, descent;
- const char* c;
-
- if (font == NULL) {
- return 0;
- }
-
- if (formatted_text == NULL) {
- return font->descent;
- }
-
- FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
-
- max = 0;
- c = fc_buffer;
-
- while (*c != '\0') {
- codepoint = FC_GetCodepointFromUTF8(&c, 1);
- if (codepoint != 0) {
- descent = FC_GetDescentFromCodepoint(font, codepoint);
- if (descent > max) {
- max = descent;
- }
- }
- ++c;
- }
- return max;
-}
-
-int FC_GetBaseline(FC_Font* font) {
- if (font == NULL) {
- return 0;
- }
-
- return font->baseline;
-}
-
-int FC_GetSpacing(FC_Font* font) {
- if (font == NULL) {
- return 0;
- }
-
- return font->letterSpacing;
-}
-
-int FC_GetLineSpacing(FC_Font* font) {
- if (font == NULL) {
- return 0;
- }
-
- return font->lineSpacing;
-}
-
-Uint16 FC_GetMaxWidth(FC_Font* font) {
- if (font == NULL) {
- return 0;
- }
-
- return font->maxWidth;
-}
-
-SDL_Color FC_GetDefaultColor(FC_Font* font) {
- if (font == NULL) {
- SDL_Color c = {0,0,0,255};
- return c;
- }
-
- return font->default_color;
-}
-
-
-Uint8 FC_InRect(float x, float y, FC_Rect input_rect) {
- return (input_rect.x <= x && x <= input_rect.x + input_rect.w && input_rect.y <= y && y <= input_rect.y + input_rect.h);
-}
-
-// TODO: Make it work with alignment
-Uint16 FC_GetPositionFromOffset(FC_Font* font, float x, float y, int column_width, FC_AlignEnum align, const char* formatted_text, ...) {
- FC_StringList* ls, *iter;
- Uint8 done = 0;
- int height = FC_GetLineHeight(font);
- Uint16 position = 0;
- int current_x = 0;
- int current_y = 0;
- FC_GlyphData glyph_data;
-
- if (formatted_text == NULL || column_width == 0 || font == NULL) {
- return 0;
- }
-
- FC_EXTRACT_VARARGS(fc_buffer, formatted_text);
-
- ls = FC_GetBufferFitToColumn(font, column_width, FC_MakeScale(1,1), 1);
- for (iter = ls; iter != NULL; iter = iter->next) {
- char* line;
-
- for (line = iter->value; line != NULL && *line != '\0'; line = (char*)U8_next(line)) {
- if (FC_GetGlyphData(font, &glyph_data, FC_GetCodepointFromUTF8((const char**)&line, 0))) {
- if (FC_InRect(x, y, FC_MakeRect(current_x, current_y, glyph_data.rect.w, glyph_data.rect.h))) {
- done = 1;
- break;
- }
-
- current_x += glyph_data.rect.w;
- }
- position++;
- }
- if (done) {
- break;
- }
-
- current_x = 0;
- current_y += height;
- if (y < current_y) {
- break;
- }
- }
- FC_StringListFree(ls);
-
- return position;
-}
-
-
-
-
-// Setters
-
-
-void FC_SetFilterMode(FC_Font* font, FC_FilterEnum filter) {
- if (font == NULL) {
- return;
- }
-
- if (font->filter != filter) {
- font->filter = filter;
-
-#ifdef FC_USE_SDL_GPU
- // Update each texture to use this filter mode
- {
- int i;
- GPU_FilterEnum gpu_filter = GPU_FILTER_NEAREST;
- if (FC_GetFilterMode(font) == FC_FILTER_LINEAR) {
- gpu_filter = GPU_FILTER_LINEAR;
- }
-
- for (i = 0; i < font->glyph_cache_count; ++i) {
- GPU_SetImageFilter(font->glyph_cache[i], gpu_filter);
- }
- }
-#endif
- }
-}
-
-
-void FC_SetSpacing(FC_Font* font, int LetterSpacing) {
- if (font == NULL) {
- return;
- }
-
- font->letterSpacing = LetterSpacing;
-}
-
-void FC_SetLineSpacing(FC_Font* font, int LineSpacing) {
- if (font == NULL) {
- return;
- }
-
- font->lineSpacing = LineSpacing;
-}
-
-void FC_SetDefaultColor(FC_Font* font, SDL_Color color) {
- if (font == NULL) {
- return;
- }
-
- font->default_color = color;
-}
-
-
-
-
-
-