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