111 lines
3.0 KiB
C
111 lines
3.0 KiB
C
/*
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* font libcaca font test program
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* Copyright (c) 2006-2012 Sam Hocevar <sam@hocevar.net>
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* All Rights Reserved
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*
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* This program is free software. It comes without any warranty, to
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* the extent permitted by applicable law. You can redistribute it
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* and/or modify it under the terms of the Do What the Fuck You Want
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* to Public License, Version 2, as published by Sam Hocevar. See
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* http://www.wtfpl.net/ for more details.
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*/
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#include "config.h"
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#if !defined(__KERNEL__)
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# if defined(HAVE_ENDIAN_H)
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# include <endian.h>
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# endif
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# include <stdio.h>
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# include <stdlib.h>
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# include <string.h>
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#endif
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#include "caca.h"
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int main(int argc, char *argv[])
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{
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caca_canvas_t *cv;
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caca_display_t *dp;
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caca_font_t *f;
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caca_dither_t *d;
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uint8_t *buf;
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unsigned int w, h;
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char const * const * fonts;
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/* Create a canvas */
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cv = caca_create_canvas(8, 2);
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if(cv == NULL)
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{
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printf("Can't create canvas\n");
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return -1;
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}
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/* Draw stuff on our canvas */
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caca_set_color_ansi(cv, CACA_WHITE, CACA_BLACK);
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caca_put_str(cv, 0, 0, "ABcde");
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caca_set_color_ansi(cv, CACA_LIGHTRED, CACA_BLACK);
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caca_put_str(cv, 5, 0, "\\o/");
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caca_set_color_ansi(cv, CACA_WHITE, CACA_BLUE);
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caca_put_str(cv, 0, 1, "&$âøÿØ?!");
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/* Load a libcaca internal font */
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fonts = caca_get_font_list();
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if(fonts[0] == NULL)
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{
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fprintf(stderr, "error: libcaca was compiled without any fonts\n");
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return -1;
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}
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f = caca_load_font(fonts[0], 0);
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if(f == NULL)
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{
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fprintf(stderr, "error: could not load font \"%s\"\n", fonts[0]);
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return -1;
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}
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/* Create our bitmap buffer (32-bit ARGB) */
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w = caca_get_canvas_width(cv) * caca_get_font_width(f);
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h = caca_get_canvas_height(cv) * caca_get_font_height(f);
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buf = malloc(4 * w * h);
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/* Render the canvas onto our image buffer */
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caca_render_canvas(cv, f, buf, w, h, 4 * w);
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/* Just for fun, render the image using libcaca */
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caca_set_canvas_size(cv, 80, 32);
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dp = caca_create_display(cv);
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{
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#if defined(HAVE_ENDIAN_H)
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if(__BYTE_ORDER == __BIG_ENDIAN)
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#else
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/* This is compile-time optimised with at least -O1 or -Os */
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uint32_t const tmp = 0x12345678;
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if(*(uint8_t const *)&tmp == 0x12)
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#endif
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d = caca_create_dither(32, w, h, 4 * w,
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0xff0000, 0xff00, 0xff, 0xff000000);
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else
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d = caca_create_dither(32, w, h, 4 * w,
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0xff00, 0xff0000, 0xff000000, 0xff);
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}
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caca_dither_bitmap(cv, 0, 0, caca_get_canvas_width(cv),
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caca_get_canvas_height(cv), d, buf);
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caca_refresh_display(dp);
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caca_get_event(dp, CACA_EVENT_KEY_PRESS, NULL, -1);
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/* Free everything */
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caca_free_display(dp);
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free(buf);
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caca_free_dither(d);
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caca_free_font(f);
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caca_free_canvas(cv);
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return 0;
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}
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