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test case

main_bug_4337_ttf_bold.c (text/x-csrc), 4.52 KB, created by Sylvain on 2018-10-28 17:30:36 UTC

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Filename:

MIME Type:

Creator: Sylvain

Created: 2018-10-28 17:30:36 UTC

Size: 4.52 KB

patch

obsolete

>/*
> * Test case for SDL_ttf 
> *
> * Requires DejaVuSans.ttf to be present in the initial working directory.
> * The font can be obtained from <http://dejavu-fonts.org/>.
> */
>
>#include <stdio.h>
>#include <stdlib.h>
>
>#include "SDL.h"
>#include "SDL_ttf.h"
>
>const char *font_path = "DejaVuSans.ttf";
>const int sample_size = 40;
>
>const char *u8_test_strings[] = {
>    "/",
>    "A",
>    "B",
>    "C",
>    "asdfasdasdf",
>    "I/\\IIIIIIIIIIIIIasdff asdl;fkj as;ldfja;lsd fj;alsdf j;alsd ;asldfj ",
>};
>const int u8_test_count = sizeof(u8_test_strings)/sizeof(char*);
>
>TTF_Font *font = NULL;
>
>void cleanup()
>{
>    if (font) {
>        TTF_CloseFont(font);
>    }
>
>    TTF_Quit();
>    SDL_Quit();
>}
>
>void die(const char *msg)
>{
>    fprintf(stderr, "ERROR: %s\n", msg);
>    cleanup();
>    exit(1);
>}
>
>int wait_for_input()
>{
>    int done;
>    SDL_Event ev;
>
>    for (done = 0; !done;)
>    {
>        if (SDL_WaitEvent(&ev) < 0) {
>            die("Event handling");
>        }
>
>        switch (ev.type)
>        {
>            case SDL_KEYDOWN:
>                if (ev.key.keysym.sym == SDLK_SPACE) {
>                    done = 1;
>                }
>                break;
>            case SDL_QUIT:
>                return 1;
>            default:
>                break;
>        }
>    }
>
>    return 0;
>}
>
>int main()
>{
>    const char *sample;
>    char title[100];
>
>    SDL_Window *win;
>    SDL_Texture *texttxt;
>    SDL_Surface *textsurf;
>    SDL_Renderer *rndr;
>
>    SDL_Rect dstrect;
>    SDL_Color textcol = { 0 };
>    SDL_Color backcol = { 32, 32, 32, 0 };
>    SDL_Color boardcol = { 196, 196, 196, 0 };
>
>    const int winw = 640;
>    const int winh = 480;
>
>    int n;
>
>    enum {
>        RENDER_SOLID,
>        RENDER_BLENDED,
>        RENDER_SHADED,
>        RENDER_BLENDED_WRAPPED,
>        RENDER_LAST
>    } render_mode = RENDER_SHADED;
>
>    const char *render_mode_desc[] = {
>        "Solid",
>        "Blended",
>        "Shaded",
>        "BlendedWrapped",
>        NULL
>    };
>
>    if (SDL_Init(SDL_INIT_VIDEO) < 0) {
>        die("SDL init failed");
>    }
>
>    if (TTF_Init() < 0) {
>        SDL_Quit();
>        die("SDL_ttf init failed");
>    }
>
>    if (SDL_CreateWindowAndRenderer(winw, winh, 0, &win, &rndr) < 0) {
>        die("SDL window setup failed");
>    }
>
>    font = TTF_OpenFont(font_path, sample_size);
>    if (!font) {
>        die("Font load failed");
>    }
>
>    TTF_SetFontStyle(font, TTF_STYLE_BOLD);
>
>    for (n = 0;; ++n)
>    {
>        if (n >= u8_test_count) {
>            n = 0;
>            ++render_mode;
>        }
>
>        if (render_mode >= RENDER_LAST) {
>            render_mode = RENDER_SOLID;
>        }
>
>        snprintf(title, sizeof(title), "new_2749_Font_Render_Test_%d_out_of_%d_%s.bmp",
>                n+1, u8_test_count, render_mode_desc[render_mode]);
>
>        SDL_SetWindowTitle(win, title);
>        SDL_SetRenderDrawColor(rndr, backcol.r, backcol.g, backcol.b, 255);
>        SDL_RenderClear(rndr);
>
>        /* Get some console output out in case we crash next... */
>        fprintf(stderr, "Rendering %s\n", title);
>
>        sample = u8_test_strings[n];
>
>        /*asm("int3");*/
>
>        switch (render_mode)
>        {
>            case RENDER_BLENDED:
>                textsurf = TTF_RenderUTF8_Blended(font, sample, textcol);
>                break;
>            case RENDER_SHADED:
>                textsurf = TTF_RenderUTF8_Shaded(font, sample, textcol, boardcol);
>                break;
>            case RENDER_BLENDED_WRAPPED:
>                textsurf = TTF_RenderUTF8_Blended_Wrapped(font, sample, textcol, 400);
>                break;
>
>            case RENDER_SOLID:
>            default:
>                textsurf = TTF_RenderUTF8_Solid(font, sample, textcol);
>                break;
>        }
>
>        if (!textsurf) {
>            SDL_FreeSurface(textsurf);
>            die("Render failed (sample)");
>        }
>
>        //        SDL_SaveBMP(textsurf, title);
>        texttxt = SDL_CreateTextureFromSurface(rndr, textsurf);
>        if (! texttxt) {
>            die("Cannot create texture from surface"); 
>        }
>
>        dstrect.x = winw/2 - textsurf->w/2;
>        dstrect.y = winh/2 - textsurf->h/2;
>        dstrect.w = textsurf->w;
>        dstrect.h = textsurf->h;
>
>        SDL_SetRenderDrawColor(rndr, boardcol.r, boardcol.g, boardcol.b, 255);
>        SDL_RenderFillRect(rndr, &dstrect);
>        SDL_RenderCopy(rndr, texttxt, NULL, &dstrect);
>        SDL_RenderPresent(rndr);
>
>        SDL_DestroyTexture(texttxt);
>        SDL_FreeSurface(textsurf);
>
>        fprintf(stderr, "Rendering complete\n");
>
>        if (wait_for_input() > 0) {
>            break;
>        }
>    }
>
>    cleanup();
>
>    return 0;
>}

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Attachments on bug 4337: 3404 | 3405

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.