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author | Yang Zhang <yang.z.zhang@intel.com> | 2015-08-28 09:58:54 +0800 |
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committer | Yang Zhang <yang.z.zhang@intel.com> | 2015-09-01 12:44:00 +0800 |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/pixman/demos/clip-in.c | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/pixman/demos/clip-in.c')
-rw-r--r-- | qemu/pixman/demos/clip-in.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/qemu/pixman/demos/clip-in.c b/qemu/pixman/demos/clip-in.c new file mode 100644 index 000000000..51579811f --- /dev/null +++ b/qemu/pixman/demos/clip-in.c @@ -0,0 +1,50 @@ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "pixman.h" +#include "gtk-utils.h" + +/* This test demonstrates that clipping is done totally different depending + * on whether the source is transformed or not. + */ +int +main (int argc, char **argv) +{ +#define WIDTH 200 +#define HEIGHT 200 + +#define SMALL 25 + + uint32_t *sbits = malloc (SMALL * SMALL * 4); + uint32_t *bits = malloc (WIDTH * HEIGHT * 4); + pixman_transform_t trans = { + { + { pixman_double_to_fixed (1.0), pixman_double_to_fixed (0), pixman_double_to_fixed (-0.1), }, + { pixman_double_to_fixed (0), pixman_double_to_fixed (1), pixman_double_to_fixed (-0.1), }, + { pixman_double_to_fixed (0), pixman_double_to_fixed (0), pixman_double_to_fixed (1.0) } + } }; + + pixman_image_t *src_img = pixman_image_create_bits (PIXMAN_a8r8g8b8, SMALL, SMALL, sbits, 4 * SMALL); + pixman_image_t *dest_img = pixman_image_create_bits (PIXMAN_a8r8g8b8, WIDTH, HEIGHT, bits, 4 * WIDTH); + + memset (bits, 0xff, WIDTH * HEIGHT * 4); + memset (sbits, 0x00, SMALL * SMALL * 4); + + pixman_image_composite (PIXMAN_OP_IN, + src_img, NULL, dest_img, + 0, 0, 0, 0, SMALL, SMALL, 200, 200); + + pixman_image_set_transform (src_img, &trans); + + pixman_image_composite (PIXMAN_OP_IN, + src_img, NULL, dest_img, + 0, 0, 0, 0, SMALL * 2, SMALL * 2, 200, 200); + + show_image (dest_img); + + pixman_image_unref (src_img); + pixman_image_unref (dest_img); + free (bits); + + return 0; +} |