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test programm to reproduce the bug

font_test.c (text/x-csrc), 2.29 KB, created by Sebastian on 2013-07-02 05:05:14 UTC

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Description:

Filename:

MIME Type:

Creator: Sebastian

Created: 2013-07-02 05:05:14 UTC

Size: 2.29 KB

patch

obsolete

>#define STB_TRUETYPE_IMPLEMENTATION
>#include "stb_truetype.h"
>#include <SDL2/SDL.h>
>#include <stdio.h>
>
>stbtt_bakedchar font[96];
>SDL_Texture *font_tex;
>SDL_Surface *font_bitmap;
>
>SDL_Renderer* ren;
>SDL_Surface* display;
>
>#define WITH_RENDERER
>
>int main(int argc, char* argv[]) {
>    if (argc != 2) {
>        printf("please give ttf file as argument\n");
>        exit(1);
>    }
>    FILE* fd = fopen(argv[1], "r");
>    if (fd == NULL) {
>        perror("couldn't open font file\n");
>        exit(1);
>    }
>    fseek(fd, 0, SEEK_END);
>    long fsize = ftell(fd);
>    rewind(fd);
>    
>    unsigned char* fontbuffer = (unsigned char*)malloc(sizeof(char)*fsize);
>    if(fontbuffer==NULL) {
>        printf("could not allocate mem for font\n");
>    }
>    size_t result = fread (fontbuffer,1,fsize,fd);
>    if(result != fsize) {
>        printf("did not read whole file\n");
>    }
>    fclose(fd);
>
>	SDL_Window* win = SDL_CreateWindow("Font Test", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 512, 512, SDL_WINDOW_SHOWN);
>
>	font_bitmap = SDL_CreateRGBSurface(0, 512, 512, 8, 0, 0, 0, 0);
>    SDL_Color colors[256];
>    int i;
>    for(i = 0; i < 256; i++){
>        colors[i].r = i;
>        colors[i].g = i;
>        colors[i].b = i;
>    }
>    SDL_Palette *pal = SDL_AllocPalette(256);
>    SDL_SetPaletteColors(pal, colors, 0, 256);
>    SDL_SetSurfacePalette(font_bitmap, pal);
>    SDL_SetColorKey(font_bitmap, SDL_TRUE, SDL_MapRGB(font_bitmap->format, 0, 0, 0));
>    stbtt_BakeFontBitmap(fontbuffer, stbtt_GetFontOffsetForIndex(fontbuffer, 0), 20, font_bitmap->pixels, 512, 512, 32, 96, font);
>    free(fontbuffer);
>#ifdef WITH_RENDERER
>    ren = SDL_CreateRenderer(win, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_TARGETTEXTURE);
>    font_tex = SDL_CreateTextureFromSurface(ren, font_bitmap);
>#else
>    display = SDL_GetWindowSurface(win);
>#endif
>
>	// Loop until the user closes the window or presses any key.	
>	SDL_Event e;
>  	for(; e.type!=SDL_QUIT&&e.type!=SDL_KEYDOWN; SDL_PollEvent(&e)) {
>#ifdef WITH_RENDERER	
>		SDL_RenderCopy(ren, font_tex, NULL, NULL);
>		SDL_RenderPresent(ren);
>#else
>		SDL_Rect dstrect;
>		dstrect.x = 0;
>		dstrect.y = 0;
>		SDL_BlitSurface(font_bitmap,NULL,display,&dstrect);
>		SDL_UpdateWindowSurface(win);
>#endif
>  		SDL_Delay(1);
>  	} 
>
>    SDL_FreeSurface(font_bitmap);
>    SDL_FreePalette(pal);
>    SDL_Quit();
>    return 0;
>}
>

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We are currently migrating Bugzilla to GitHub issues.Any changes made to the bug tracker now will be lost, so please do not post new bugs or make changes to them.When we're done, all bug URLs will redirect to their equivalent location on the new bug tracker.

We are currently migrating Bugzilla to GitHub issues.
Any changes made to the bug tracker now will be lost, so please do not post new bugs or make changes to them.
When we're done, all bug URLs will redirect to their equivalent location on the new bug tracker.