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test case

main_bug_2487_ttf_setFontSize.c (text/x-csrc), 8.05 KB, created by Sylvain on 2018-10-30 19:48:43 UTC

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Description:

Filename:

MIME Type:

Creator: Sylvain

Created: 2018-10-30 19:48:43 UTC

Size: 8.05 KB

patch

obsolete

>/*
> * Test case for SDL_ttf 
> */
>
>#include <stdio.h>
>#include <stdlib.h>
>
>#include "SDL.h"
>#include "SDL_ttf.h"
>
>#define VERSION_STR "v1"
>
>const char *font_path = "DejaVuSans.ttf";
>int sample_size = 50;
>int outline = 0;
>int keyboard_style = 0;
>
>const char *u8_test_strings[] = {
>    "Tap Ã",
>    "A",
>    "asdfsad.f..| I V I A AV A V D \n F G H "
>};
>const int u8_test_count = sizeof(u8_test_strings)/sizeof(char*);
>
>TTF_Font *font = NULL;
>int iter = 0, sum = 0;
>
>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) {
>                    iter++;
>                    sum++;
>                    done = 1;
>                }
>                if (ev.key.keysym.sym == SDLK_o) {
>                    sample_size -= 1;
>                    TTF_SetFontSize(font, sample_size);
>                    done = 1;
>                    SDL_Log("size: %d", sample_size);
>                }
>                if (ev.key.keysym.sym == SDLK_p) {
>                    sample_size += 1;
>                    TTF_SetFontSize(font, sample_size);
>                    done = 1;
>                    SDL_Log("size: %d", sample_size);
>                }
>                if (ev.key.keysym.sym == SDLK_q) {
>                    outline -= 1;
>                    done = 1;
>                    SDL_Log("outline: %d", outline);
>                }
>                if (ev.key.keysym.sym == SDLK_w) {
>                    outline += 1;
>                    done = 1;
>                    SDL_Log("outline: %d", outline);
>                }
>                if (ev.key.keysym.sym == SDLK_i) {
>                    done = 1;
>                    int s = TTF_STYLE_ITALIC;
>                    SDL_Log("italic %s", (keyboard_style & s) ? "removed" : "added");
>                    keyboard_style ^= s;
>                }
>                if (ev.key.keysym.sym == SDLK_b) {
>                    done = 1;
>                    int s = TTF_STYLE_BOLD;
>                    SDL_Log("bold %s", (keyboard_style & s) ? "removed" : "added");
>                    keyboard_style ^= s;
>                }
>                if (ev.key.keysym.sym == SDLK_u) {
>                    done = 1;
>                    int s = TTF_STYLE_UNDERLINE;
>                    SDL_Log("underline %s", (keyboard_style & s) ? "removed" : "added");
>                    keyboard_style ^= s;
>                }
>                if (ev.key.keysym.sym == SDLK_s) {
>                    done = 1;
>                    int s = TTF_STYLE_STRIKETHROUGH;
>                    SDL_Log("strike-through %s", (keyboard_style & s) ? "removed" : "added");
>                    keyboard_style ^= s;
>                }
>                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 = { 128, 128, 128, 0 }; // 
>
>    const int winw = 640;
>    const int winh = 480;
>
>
>
>    enum {
>        RENDER_SOLID,
>        RENDER_BLENDED,
>        RENDER_SHADED,
>        RENDER_BLENDED_WRAPPED,
>        RENDER_LAST
>    } render_mode = RENDER_SOLID;
>
>    const char *render_mode_desc[] = {
>        "Solid",
>        "Blended",
>        "Shaded",
>        "BlendedWrapped",
>        NULL
>    };
>
>    enum {
>        STYLE_NORMAL,
>        STYLE_UNDERLINE,
>        STYLE_STRIKETHROUGH,
>        STYLE_BOLD,
>        STYLE_ITALIC,
>        STYLE_LAST,
>        STYLE_NONE
>    } style_mode = STYLE_NORMAL;
>
>    const char *style_mode_desc[] = {
>        "normal",
>        "underline",
>        "strikethrough",
>        "bold",
>        "italic",
>        "last",
>        "none",
>        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");
>    }
>
>
>    SDL_Log("o/p : font size +/-");
>    SDL_Log("q/w : outline   +/-");
>    SDL_Log("u   : underline");
>    SDL_Log("s   : strike-through");
>    SDL_Log("b   : bold");
>    SDL_Log("i   : italic");
>    SDL_Log("<space>   : next string/rendering function");
>
>
>    font = TTF_OpenFont(font_path, sample_size);
>    if (!font) {
>        die("Font load failed");
>    }
>
>    while (1)
>    {
>        int curr = TTF_GetFontOutline(font);
>        if (curr != outline) {
>            TTF_SetFontOutline(font, outline);
>        }
>
>        if (iter >= u8_test_count) {
>            iter = 0;
>            ++render_mode;
>        }
>
>        if (render_mode >= RENDER_LAST) {
>            render_mode = RENDER_SOLID;
>            ++style_mode;
>        }
>        
>        if (style_mode == STYLE_LAST) {
>            style_mode = STYLE_NORMAL;
>            SDL_Log("End!");
>            break;
>        }
>
>        snprintf(title, sizeof(title), "A_Test_%d_%dof%d_%s_%s_%s.bmp", sum+1,
>                iter+1, u8_test_count,
>                render_mode_desc[render_mode],
>                style_mode_desc[style_mode], 
>                VERSION_STR);
>
>        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... */
>        SDL_Log("Rendering %s", title);
>
>        sample = u8_test_strings[iter];
>
>        /*asm("int3");*/
>
>        switch (style_mode)
>        {
>            case STYLE_NORMAL:
>                TTF_SetFontStyle(font, TTF_STYLE_NORMAL);
>                break;
>            case STYLE_UNDERLINE:
>                TTF_SetFontStyle(font, TTF_STYLE_UNDERLINE);
>                break;
>            case STYLE_STRIKETHROUGH:
>                TTF_SetFontStyle(font, TTF_STYLE_STRIKETHROUGH);
>                break;
>            case STYLE_BOLD:
>                TTF_SetFontStyle(font, TTF_STYLE_BOLD);
>                break;
>            case STYLE_ITALIC:
>            default:
>                TTF_SetFontStyle(font, TTF_STYLE_ITALIC);
>                break;
>
>        }
>
>        int fs = TTF_GetFontStyle(font );
>        TTF_SetFontStyle(font, keyboard_style | fs);
>
>        switch (render_mode)
>        {
>            case RENDER_BLENDED:
>                textsurf = TTF_RenderUTF8_Blended(font, sample, textcol);
>                break;
>            case RENDER_SHADED:
>                textsurf = TTF_RenderUTF8_Shaded(font, sample, boardcol, textcol);
>                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);
>
>        // SDL_Log("Rendering complete");
>
>        if (wait_for_input() > 0) {
>            break;
>        }
>    }
>
>    cleanup();
>
>    return 0;
>}

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Attachments on bug 2487: 1612 | 3418 | 3419

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.