102 lines
1.7 KiB
C
102 lines
1.7 KiB
C
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#include <stdio.h>
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#include <stdlib.h>
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#include "pixman.h"
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typedef struct
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{
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int width;
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int height;
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int stride;
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pixman_format_code_t format;
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} image_info_t;
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typedef struct
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{
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pixman_op_t op;
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image_info_t src;
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image_info_t dest;
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int src_x;
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int src_y;
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int dest_x;
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int dest_y;
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int width;
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int height;
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} composite_info_t;
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const composite_info_t info[] =
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{
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{
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PIXMAN_OP_SRC,
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{ 3, 6, 16, PIXMAN_a8r8g8b8 },
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{ 5, 7, 20, PIXMAN_x8r8g8b8 },
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1, 8,
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1, -1,
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1, 8
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},
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{
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PIXMAN_OP_SRC,
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{ 7, 5, 36, PIXMAN_a8r8g8b8 },
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{ 6, 5, 28, PIXMAN_x8r8g8b8 },
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8, 5,
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5, 3,
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1, 2
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},
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{
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PIXMAN_OP_OVER,
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{ 10, 10, 40, PIXMAN_a2b10g10r10 },
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{ 10, 10, 40, PIXMAN_a2b10g10r10 },
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0, 0,
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0, 0,
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10, 10
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},
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{
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PIXMAN_OP_OVER,
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{ 10, 10, 40, PIXMAN_x2b10g10r10 },
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{ 10, 10, 40, PIXMAN_x2b10g10r10 },
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0, 0,
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0, 0,
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10, 10
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},
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};
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static pixman_image_t *
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make_image (const image_info_t *info)
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{
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char *data = malloc (info->stride * info->height);
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int i;
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for (i = 0; i < info->height * info->stride; ++i)
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data[i] = (i % 255) ^ (((i % 16) << 4) | (i & 0xf0));
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return pixman_image_create_bits (info->format, info->width, info->height, (uint32_t *)data, info->stride);
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}
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static void
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test_composite (const composite_info_t *info)
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{
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pixman_image_t *src = make_image (&info->src);
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pixman_image_t *dest = make_image (&info->dest);
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pixman_image_composite (PIXMAN_OP_SRC, src, NULL, dest,
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info->src_x, info->src_y,
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0, 0,
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info->dest_x, info->dest_y,
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info->width, info->height);
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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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int i;
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for (i = 0; i < sizeof (info) / sizeof (info[0]); ++i)
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test_composite (&info[i]);
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return 0;
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}
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