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  • Committer: Bazaar Package Importer
  • Author(s): Julien Cristau
  • Date: 2009-09-28 18:12:47 UTC
  • mfrom: (1.1.8 upstream) (2.1.3 squeeze)
  • Revision ID: james.westby@ubuntu.com-20090928181247-3iehog63i50htejf
Tags: 0.16.2-1
http://bugs.debian.org/546849
* New upstream release (closes: #546849).
* Upload to unstable.

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test/clip-in.c
 
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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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#include "pixman.h"
 
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#include "utils.h"
 
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/* This test demonstrates that clipping is done totally different depending
 
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 * on whether the source is transformed or not.
 
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 */
 
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int
 
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main (int argc, char **argv)
 
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{
 
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#define WIDTH 200
 
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#define HEIGHT 200
 
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#define SMALL 25
 
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    uint32_t *sbits = malloc (SMALL * SMALL * 4);
 
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    uint32_t *bits = malloc (WIDTH * HEIGHT * 4);
 
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    pixman_transform_t trans = {
 
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    {
 
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        { pixman_double_to_fixed (1.0), pixman_double_to_fixed (0), pixman_double_to_fixed (-0.1), },
 
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        { pixman_double_to_fixed (0), pixman_double_to_fixed (1), pixman_double_to_fixed (-0.1), },
 
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        { pixman_double_to_fixed (0), pixman_double_to_fixed (0), pixman_double_to_fixed (1.0) }
 
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    } };
 
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    pixman_image_t *src_img = pixman_image_create_bits (PIXMAN_a8r8g8b8, SMALL, SMALL, sbits, 4 * SMALL);
 
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    pixman_image_t *dest_img = pixman_image_create_bits (PIXMAN_a8r8g8b8, WIDTH, HEIGHT, bits, 4 * WIDTH);
 
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    memset (bits, 0xff, WIDTH * HEIGHT * 4);
 
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    memset (sbits, 0x00, SMALL * SMALL * 4);
 
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    pixman_image_composite (PIXMAN_OP_IN,
 
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                            src_img, NULL, dest_img,
 
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                            0, 0, 0, 0, SMALL, SMALL, 200, 200);
 
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    pixman_image_set_transform (src_img, &trans);
 
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    pixman_image_composite (PIXMAN_OP_IN,
 
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                            src_img, NULL, dest_img,
 
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                            0, 0, 0, 0, SMALL * 2, SMALL * 2, 200, 200);
 
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    show_image (dest_img);
 
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    pixman_image_unref (src_img);
 
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    pixman_image_unref (dest_img);
 
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    free (bits);
 
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    return 0;
 
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}