61 lines
1.5 KiB
C
61 lines
1.5 KiB
C
/*
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* hsv libcaca HSV rendering test program
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* Copyright (c) 2003-2012 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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# include <stdio.h>
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#endif
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#include "caca.h"
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uint32_t buffer[256*256];
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int main(int argc, char *argv[])
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{
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caca_display_t *dp;
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caca_canvas_t *cv;
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caca_dither_t *dither;
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int x, y;
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dp = caca_create_display(NULL);
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if(dp == NULL)
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{
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printf("Can't create display\n");
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return -1;
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}
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cv = caca_get_canvas(dp);
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for(y = 0; y < 256; y++)
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for(x = 0; x < 256; x++)
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{
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buffer[y * 256 + x] = ((y * x / 256) << 16) | ((y * x / 256) << 8) | (x<< 0);
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}
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dither = caca_create_dither(32, 256, 256, 4 * 256,
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0x00ff0000, 0x0000ff00, 0x000000ff, 0x0);
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caca_dither_bitmap(caca_get_canvas(dp), 0, 0, caca_get_canvas_width(cv),
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caca_get_canvas_height(cv), dither, buffer);
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caca_free_dither(dither);
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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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caca_free_display(dp);
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return 0;
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}
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