diff options
author | sanine <sanine.not@pm.me> | 2022-10-12 13:26:36 -0500 |
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committer | sanine <sanine.not@pm.me> | 2022-10-12 13:26:36 -0500 |
commit | f567ea1e2798fd3156a416e61f083ea3e6b95719 (patch) | |
tree | 53b51bda93aadf9dd13fcd77635b8c4b5c813768 /libs/pixman-0.40.0/test/a1-trap-test.c | |
parent | 530ffd0b7d3c39757b20f00716e486b5caf89aff (diff) |
add pixman and libpngraylib
Diffstat (limited to 'libs/pixman-0.40.0/test/a1-trap-test.c')
-rw-r--r-- | libs/pixman-0.40.0/test/a1-trap-test.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/libs/pixman-0.40.0/test/a1-trap-test.c b/libs/pixman-0.40.0/test/a1-trap-test.c new file mode 100644 index 0000000..c2b4883 --- /dev/null +++ b/libs/pixman-0.40.0/test/a1-trap-test.c @@ -0,0 +1,58 @@ +#include <assert.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "utils.h" + +int +main (int argc, char **argv) +{ +#define WIDTH 20 +#define HEIGHT 20 + + pixman_image_t *src_img; + pixman_image_t *mask_img; + pixman_image_t *dest_img; + pixman_trap_t trap; + pixman_color_t red = { 0xffff, 0x0000, 0x0000, 0xffff }; + uint32_t *bits = malloc (WIDTH * HEIGHT * 4); + uint32_t *mbits = malloc (WIDTH * HEIGHT); + + memset (mbits, 0, WIDTH * HEIGHT); + memset (bits, 0xff, WIDTH * HEIGHT * 4); + + trap.top.l = pixman_double_to_fixed (0.5); + trap.top.r = pixman_double_to_fixed (1.5); + trap.top.y = pixman_double_to_fixed (0.5); + + trap.bot.l = pixman_double_to_fixed (0.5); + trap.bot.r = pixman_double_to_fixed (1.5); + trap.bot.y = pixman_double_to_fixed (1.5); + + mask_img = pixman_image_create_bits ( + PIXMAN_a1, WIDTH, HEIGHT, mbits, WIDTH); + src_img = pixman_image_create_solid_fill (&red); + dest_img = pixman_image_create_bits ( + PIXMAN_a8r8g8b8, WIDTH, HEIGHT, bits, WIDTH * 4); + + pixman_add_traps (mask_img, 0, 0, 1, &trap); + + pixman_image_composite (PIXMAN_OP_OVER, + src_img, mask_img, dest_img, + 0, 0, 0, 0, 0, 0, WIDTH, HEIGHT); + + assert (bits[0] == 0xffff0000); + assert (bits[1] == 0xffffffff); + assert (bits[1 * WIDTH + 0] == 0xffffffff); + assert (bits[1 * WIDTH + 1] == 0xffffffff); + + /* The check-formats test depends on operator_name() and format_name() returning + * these precise formats, so if those change, check-formats.c must be updated too. + */ + assert ( + strcmp (operator_name (PIXMAN_OP_DISJOINT_OVER), "PIXMAN_OP_DISJOINT_OVER") == 0); + assert ( + strcmp (format_name (PIXMAN_r5g6b5), "r5g6b5") == 0); + + return 0; +} |