int loadFonts() {
TTF_Font *font = NULL;
SDL_Surface *fontSurface = NULL;
SDL_Surface *tmp = NULL;
Uint32 saved_flags;
Uint8 saved_alpha;
static SDL_Color fontColour = {255,255,255};
char letter[2];
int i;
char *p;
letter[1] = 0;
p = findFile(va("%s/%s", MISCDIR, video.fontFile));
if (!p) {
conAdd(LERR, "Could not open font");
return 0;
}
font = TTF_OpenFont(p, video.fontSize);
if (!font) {
conAdd(LERR, "Could not open %s", p);
return 0;
}
TTF_SetFontStyle(font, TTF_STYLE_NORMAL);
#ifdef TTF_HINTING_NORMAL
TTF_SetFontHinting(font, TTF_HINTING_NORMAL);
#endif
memset(fonts, 0, sizeof(fonts));
fontHeight = 0;
for (i = 32; i < 128; i++) {
letter[0] = i;
fontSurface = TTF_RenderText_Blended(font, letter, fontColour);
if (!fontSurface) {
#ifdef WIN32
MessageBox(NULL, TTF_GetError(), "gravit: font engine error", MB_OK);
#else
printf("%s\n", TTF_GetError());
#endif
TTF_CloseFont(font);
return 0;
}
fonts[i].ow = fontSurface->w;
fonts[i].oh = fontSurface->h;
if (fonts[i].oh > fontHeight)
fontHeight = (float)fonts[i].oh;
fonts[i].w = gfxPowerOfTwo(fonts[i].ow);
fonts[i].h = gfxPowerOfTwo(fonts[i].oh);
if (fonts[i].w > fonts[i].h)
fonts[i].h = fonts[i].w;
if (fonts[i].h > fonts[i].w)
fonts[i].w = fonts[i].h;
tmp = SDL_CreateRGBSurface(SDL_SWSURFACE, fonts[i].w, fonts[i].h, 32,
#if SDL_BYTEORDER == SDL_LIL_ENDIAN /* OpenGL RGBA masks depend on byteorder */
0x000000FF,
0x0000FF00,
0x00FF0000,
0xFF000000);
#else
0xFF000000,
0x00FF0000,
0x0000FF00,
0x000000FF);
#endif
if (!tmp) {
TTF_CloseFont(font);
SDL_FreeSurface(fontSurface);
return 0;
}
/* Save the alpha blending attributes */
saved_flags = fontSurface->flags & (SDL_SRCALPHA|SDL_RLEACCELOK);
#if SDL_VERSION_ATLEAST(1, 3, 0)
SDL_GetSurfaceAlphaMod(fontSurface, &saved_alpha);
SDL_SetSurfaceAlphaMod(fontSurface, 0xFF);
#else
saved_alpha = fontSurface->format->alpha;
if ( (saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA ) {
SDL_SetAlpha(fontSurface, 0, 0);
}
#endif
/* copy to texture surface */
if (SDL_BlitSurface(fontSurface, NULL, tmp, NULL)) {
TTF_CloseFont(font);
SDL_FreeSurface(tmp);
SDL_FreeSurface(fontSurface);
return 0;
}
glGenTextures(1, &fonts[i].id);
glCheck();
glBindTexture(GL_TEXTURE_2D, fonts[i].id);
glCheck();
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, fonts[i].w, fonts[i].h, 0, GL_RGBA, GL_UNSIGNED_BYTE, tmp->pixels);
glCheck();
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);
glCheck();
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
glCheck();
SDL_FreeSurface(tmp);
SDL_FreeSurface(fontSurface);
}
TTF_CloseFont(font);
return 1;
}
int loadFonts() {
TTF_Font *font = NULL;
SDL_Surface *fontSurface = NULL;
SDL_Surface *tmp = NULL;
static SDL_Color fontColour = {255,255,255};
char letter[2];
int i;
char *p;
letter[1] = 0;
p = va("%s/%s", MISCDIR, video.fontFile);
if (!fileExists(p)) {
conAdd(LERR, "Could not open %s", p);
return 0;
}
font = TTF_OpenFont(p, video.fontSize);
if (!font) {
conAdd(LERR, "Could not open %s", p);
return 0;
}
TTF_SetFontStyle(font, TTF_STYLE_NORMAL);
memset(fonts, 0, sizeof(fonts));
fontHeight = 0;
for (i = 32; i < 128; i++) {
letter[0] = i;
fontSurface = TTF_RenderText_Solid(font, letter, fontColour);
if (!fontSurface) {
TTF_CloseFont(font);
return 0;
}
fonts[i].ow = fontSurface->w;
fonts[i].oh = fontSurface->h;
if (fonts[i].oh > fontHeight)
fontHeight = (float)fonts[i].oh;
fonts[i].w = gfxPowerOfTwo(fonts[i].ow);
fonts[i].h = gfxPowerOfTwo(fonts[i].oh);
if (fonts[i].w > fonts[i].h)
fonts[i].h = fonts[i].w;
if (fonts[i].h > fonts[i].w)
fonts[i].w = fonts[i].h;
tmp = SDL_CreateRGBSurface(SDL_SWSURFACE, fonts[i].w, fonts[i].h, 32, 0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000);
if (!tmp) {
TTF_CloseFont(font);
SDL_FreeSurface(fontSurface);
return 0;
}
if (SDL_BlitSurface(fontSurface, NULL, tmp, NULL)) {
TTF_CloseFont(font);
SDL_FreeSurface(tmp);
SDL_FreeSurface(fontSurface);
return 0;
}
glGenTextures(1, &fonts[i].id);
glCheck();
glBindTexture(GL_TEXTURE_2D, fonts[i].id);
glCheck();
glTexImage2D(GL_TEXTURE_2D, 0, 3, fonts[i].w, fonts[i].h, 0, GL_RGBA, GL_UNSIGNED_BYTE, tmp->pixels);
glCheck();
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);
glCheck();
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
glCheck();
SDL_FreeSurface(tmp);
SDL_FreeSurface(fontSurface);
}
TTF_CloseFont(font);
return 1;
}
