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Added missing dependicies
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Reuh
parent
03baa21c10
commit
ebcd9f00ed
47 changed files with 18405 additions and 0 deletions
269
libs/sftdlib/libsftd/source/sftd.c
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269
libs/sftdlib/libsftd/source/sftd.c
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#include "sftd.h"
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#include <wchar.h>
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#include <sf2d.h>
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#include <ft2build.h>
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#include FT_CACHE_H
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#include FT_FREETYPE_H
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static int sftd_initialized = 0;
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static FT_Library ftlibrary;
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static FTC_Manager ftcmanager;
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typedef enum {
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SFTD_LOAD_FROM_FILE,
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SFTD_LOAD_FROM_MEM
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} sftd_font_load_from;
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struct sftd_font {
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sftd_font_load_from from;
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union {
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char *filename;
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struct {
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const void *font_buffer;
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unsigned int buffer_size;
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};
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};
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FTC_CMapCache cmapcache;
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FTC_ImageCache imagecache;
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};
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static FT_Error ftc_face_requester(FTC_FaceID face_id, FT_Library library, FT_Pointer request_data, FT_Face *face)
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{
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sftd_font *font = (sftd_font *)face_id;
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FT_Error error = FT_Err_Cannot_Open_Resource;
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if (font->from == SFTD_LOAD_FROM_FILE) {
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error = FT_New_Face(
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library,
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font->filename,
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0,
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face);
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} else if (font->from == SFTD_LOAD_FROM_MEM) {
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error = FT_New_Memory_Face(
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library,
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font->font_buffer,
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font->buffer_size,
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0,
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face);
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}
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return error;
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}
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int sftd_init()
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{
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if (sftd_initialized) return 2;
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FT_Error error = FT_Init_FreeType(&ftlibrary);
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if (error != FT_Err_Ok) {
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return 0;
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}
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error = FTC_Manager_New(
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ftlibrary,
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0, /* use default */
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0, /* use default */
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0, /* use default */
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&ftc_face_requester, /* use our requester */
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NULL, /* user data */
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&ftcmanager);
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if (error != FT_Err_Ok) {
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FT_Done_FreeType(ftlibrary);
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return 0;
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}
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sftd_initialized = 1;
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return 1;
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}
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int sftd_fini()
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{
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if (!sftd_initialized) return 2;
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FT_Error error = FT_Done_FreeType(ftlibrary);
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if (error != FT_Err_Ok) {
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return 0;
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}
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FTC_Manager_Done(ftcmanager);
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sftd_initialized = 0;
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return 1;
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}
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sftd_font *sftd_load_font_file(const char *filename)
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{
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sftd_font *font = malloc(sizeof(*font));
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size_t len = strlen(filename);
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font->filename = malloc(len + 1);
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strcpy(font->filename, filename);
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font->filename[len] = '\0';
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FTC_CMapCache_New(ftcmanager, &font->cmapcache);
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FTC_ImageCache_New(ftcmanager, &font->imagecache);
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font->from = SFTD_LOAD_FROM_FILE;
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return font;
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}
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sftd_font *sftd_load_font_mem(const void *buffer, unsigned int size)
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{
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sftd_font *font = malloc(sizeof(*font));
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font->font_buffer = buffer;
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font->buffer_size = size;
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FTC_CMapCache_New(ftcmanager, &font->cmapcache);
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FTC_ImageCache_New(ftcmanager, &font->imagecache);
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font->from = SFTD_LOAD_FROM_MEM;
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return font;
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}
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void sftd_free_font(sftd_font *font)
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{
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if (font) {
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FTC_FaceID face_id = (FTC_FaceID)font;
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FTC_Manager_RemoveFaceID(ftcmanager, face_id);
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if (font->from == SFTD_LOAD_FROM_FILE) {
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free(font->filename);
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}
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free(font);
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}
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}
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static void draw_bitmap(FT_Bitmap *bitmap, int x, int y, unsigned int color)
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{
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//This is too ugly
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sf2d_texture *tex = sf2d_create_texture(bitmap->width, bitmap->rows, GPU_RGBA8, SF2D_PLACE_TEMP);
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int j, k;
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for (j = 0; j < bitmap->rows; j++) {
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for (k = 0; k < bitmap->width; k++) {
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((u32 *)tex->data)[j*tex->pow2_w + k] = __builtin_bswap32((color & ~0xFF) | bitmap->buffer[j*bitmap->width + k]);
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}
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}
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sf2d_texture_tile32(tex);
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sf2d_draw_texture(tex, x, y);
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sf2d_free_texture(tex);
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}
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void sftd_draw_text(sftd_font *font, int x, int y, unsigned int color, unsigned int size, const char *text)
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{
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FTC_FaceID face_id = (FTC_FaceID)font;
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FT_Face face;
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FTC_Manager_LookupFace(ftcmanager, face_id, &face);
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FT_Int charmap_index;
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charmap_index = FT_Get_Charmap_Index(face->charmap);
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FT_Glyph glyph;
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FT_Bool use_kerning = FT_HAS_KERNING(face);
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FT_UInt glyph_index, previous = 0;
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int pen_x = x;
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int pen_y = y;
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FTC_ScalerRec scaler;
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scaler.face_id = face_id;
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scaler.width = size;
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scaler.height = size;
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scaler.pixel = 1;
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FT_ULong flags = FT_LOAD_RENDER | FT_LOAD_TARGET_NORMAL;
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while (*text) {
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glyph_index = FTC_CMapCache_Lookup(font->cmapcache, (FTC_FaceID)font, charmap_index, *text);
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if (use_kerning && previous && glyph_index) {
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FT_Vector delta;
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FT_Get_Kerning(face, previous, glyph_index, FT_KERNING_DEFAULT, &delta);
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pen_x += delta.x >> 6;
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}
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FTC_ImageCache_LookupScaler(font->imagecache, &scaler, flags, glyph_index, &glyph, NULL);
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if (glyph->format == FT_GLYPH_FORMAT_BITMAP) {
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FT_BitmapGlyph bitmap_glyph = (FT_BitmapGlyph)glyph;
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draw_bitmap(&bitmap_glyph->bitmap, pen_x + bitmap_glyph->left + x, pen_y - bitmap_glyph->top + y, color);
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pen_x += bitmap_glyph->root.advance.x >> 16;
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pen_y += bitmap_glyph->root.advance.y >> 16;
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}
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previous = glyph_index;
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text++;
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}
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}
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void sftd_draw_textf(sftd_font *font, int x, int y, unsigned int color, unsigned int size, const char *text, ...)
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{
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char buffer[256];
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va_list args;
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va_start(args, text);
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vsnprintf(buffer, 256, text, args);
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sftd_draw_text(font, x, y, color, size, buffer);
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va_end(args);
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}
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void sftd_draw_wtext(sftd_font *font, int x, int y, unsigned int color, unsigned int size, const wchar_t *text)
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{
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FTC_FaceID face_id = (FTC_FaceID)font;
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FT_Face face;
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FTC_Manager_LookupFace(ftcmanager, face_id, &face);
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FT_Int charmap_index;
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charmap_index = FT_Get_Charmap_Index(face->charmap);
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FT_Glyph glyph;
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FT_Bool use_kerning = FT_HAS_KERNING(face);
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FT_UInt glyph_index, previous = 0;
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int pen_x = x;
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int pen_y = y;
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FTC_ScalerRec scaler;
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scaler.face_id = face_id;
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scaler.width = size;
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scaler.height = size;
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scaler.pixel = 1;
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FT_ULong flags = FT_LOAD_RENDER | FT_LOAD_TARGET_NORMAL;
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while (*text) {
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glyph_index = FTC_CMapCache_Lookup(font->cmapcache, (FTC_FaceID)font, charmap_index, *text);
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if (use_kerning && previous && glyph_index) {
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FT_Vector delta;
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FT_Get_Kerning(face, previous, glyph_index, FT_KERNING_DEFAULT, &delta);
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pen_x += delta.x >> 6;
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}
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FTC_ImageCache_LookupScaler(font->imagecache, &scaler, flags, glyph_index, &glyph, NULL);
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if (glyph->format == FT_GLYPH_FORMAT_BITMAP) {
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FT_BitmapGlyph bitmap_glyph = (FT_BitmapGlyph)glyph;
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draw_bitmap(&bitmap_glyph->bitmap, pen_x + bitmap_glyph->left + x, pen_y - bitmap_glyph->top + y, color);
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pen_x += bitmap_glyph->root.advance.x >> 16;
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pen_y += bitmap_glyph->root.advance.y >> 16;
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}
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previous = glyph_index;
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text++;
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}
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}
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void sftd_draw_wtextf(sftd_font *font, int x, int y, unsigned int color, unsigned int size, const wchar_t *text, ...)
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{
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wchar_t buffer[256];
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va_list args;
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va_start(args, text);
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vswprintf(buffer, 256, text, args);
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sftd_draw_wtext(font, x, y, color, size, buffer);
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va_end(args);
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}
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