68 lines
2.0 KiB
C
68 lines
2.0 KiB
C
#include "text.h"
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Text*
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Text_init(int posX, int posY, const FcChar8 *TEXT_FONT_STYLE, int TEXT_FONT_PTSIZE) {
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Text *t = malloc(sizeof(Text));
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*(int *)&t->POSX = posX;
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*(int *)&t->POSY = posY;
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FcConfig *config = FcInitLoadConfigAndFonts();
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FcPattern *pat = FcPatternCreate();
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FcObjectSet* os = FcObjectSetBuild (FC_FAMILY, FC_STYLE, FC_LANG, FC_FILE, (char *) 0);
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FcFontSet* fs = FcFontList(config, pat, os);
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FcChar8 *style, *family;
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for (int i=0; fs && i < fs->nfont; ++i) {
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FcPattern* font = fs->fonts[i];
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if (FcPatternGetString(font, FC_FILE, 0, &(t->TEXT_FONT_FILE)) == FcResultMatch
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&& FcPatternGetString(font, FC_FAMILY, 0, &family) == FcResultMatch
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&& FcPatternGetString(font, FC_STYLE, 0, &style) == FcResultMatch
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&& strcmp(TEXT_FONT_FAMILY, family) == 0
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&& strcmp(TEXT_FONT_STYLE, style) == 0) {
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break;
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}
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}
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t->TEXT_FONT = TTF_OpenFont(t->TEXT_FONT_FILE, TEXT_FONT_PTSIZE);
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FcFontSetDestroy(fs);
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FcObjectSetDestroy(os);
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FcPatternDestroy(pat);
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FcConfigDestroy(config);
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if (t->TEXT_FONT == NULL) {
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printf("TTF_OpenFont fail with path '%s'. TTF_Error: %s\n", t->TEXT_FONT_FILE, TTF_GetError());
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free(t);
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return NULL;
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}
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return t;
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}
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void
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Text_free(Text *t) {
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TTF_CloseFont(t->TEXT_FONT);
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free(t);
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}
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int
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Text_render(const Text* t, SDL_Renderer *renderer, const char *str, int width, int height) {
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SDL_Rect textRect = { t->POSX , t->POSY, width, height };
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SDL_Surface *textSurface = TTF_RenderText_Solid(t->TEXT_FONT, str, TEXT_FONT_COLOR);
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if (textSurface == NULL) {
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printf("Text rendering failed. TTF_Error: %s\n", TTF_GetError());
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return 1;
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}
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SDL_Texture *textTexture = SDL_CreateTextureFromSurface(renderer, textSurface);
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if (textTexture == NULL) {
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printf("Texture rendering failed. SDL_Error: %s\n", SDL_GetError());
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SDL_FreeSurface(textSurface);
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return 1;
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}
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SDL_RenderCopy(renderer, textTexture, NULL, &textRect);
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SDL_FreeSurface(textSurface);
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SDL_DestroyTexture(textTexture);
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return 0;
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}
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