mirror of
https://github.com/brl/mutter.git
synced 2024-11-24 00:50:42 -05:00
68 lines
2.1 KiB
C
68 lines
2.1 KiB
C
|
#include <cogl/cogl.h>
|
||
|
#include <cogl-path/cogl-path.h>
|
||
|
|
||
|
#include <string.h>
|
||
|
|
||
|
#include "test-utils.h"
|
||
|
|
||
|
void
|
||
|
test_path_clip (void)
|
||
|
{
|
||
|
CoglPath *path;
|
||
|
CoglPipeline *pipeline;
|
||
|
int fb_width, fb_height;
|
||
|
|
||
|
fb_width = cogl_framebuffer_get_width (test_fb);
|
||
|
fb_height = cogl_framebuffer_get_height (test_fb);
|
||
|
|
||
|
cogl_framebuffer_orthographic (test_fb,
|
||
|
0, 0, fb_width, fb_height, -1, 100);
|
||
|
|
||
|
path = cogl_path_new ();
|
||
|
|
||
|
cogl_framebuffer_clear4f (test_fb,
|
||
|
COGL_BUFFER_BIT_COLOR,
|
||
|
1.0f, 0.0f, 0.0f, 1.0f);
|
||
|
|
||
|
/* Make an L-shape with the top right corner left untouched */
|
||
|
cogl_path_move_to (path, 0, fb_height);
|
||
|
cogl_path_line_to (path, fb_width, fb_height);
|
||
|
cogl_path_line_to (path, fb_width, fb_height / 2);
|
||
|
cogl_path_line_to (path, fb_width / 2, fb_height / 2);
|
||
|
cogl_path_line_to (path, fb_width / 2, 0);
|
||
|
cogl_path_line_to (path, 0, 0);
|
||
|
cogl_path_close (path);
|
||
|
|
||
|
cogl_framebuffer_push_path_clip (test_fb, path);
|
||
|
|
||
|
/* Try to fill the framebuffer with a blue rectangle. This should be
|
||
|
* clipped to leave the top right quadrant as is */
|
||
|
pipeline = cogl_pipeline_new (test_ctx);
|
||
|
cogl_pipeline_set_color4ub (pipeline, 0, 0, 255, 255);
|
||
|
cogl_framebuffer_draw_rectangle (test_fb,
|
||
|
pipeline,
|
||
|
0, 0, fb_width, fb_height);
|
||
|
|
||
|
cogl_framebuffer_pop_clip (test_fb);
|
||
|
|
||
|
cogl_object_unref (pipeline);
|
||
|
cogl_object_unref (path);
|
||
|
|
||
|
/* Check each of the four quadrants */
|
||
|
test_utils_check_pixel (test_fb,
|
||
|
fb_width / 4, fb_height / 4,
|
||
|
0x0000ffff);
|
||
|
test_utils_check_pixel (test_fb,
|
||
|
fb_width * 3 / 4, fb_height / 4,
|
||
|
0xff0000ff);
|
||
|
test_utils_check_pixel (test_fb,
|
||
|
fb_width / 4, fb_height * 3 / 4,
|
||
|
0x0000ffff);
|
||
|
test_utils_check_pixel (test_fb,
|
||
|
fb_width * 3 / 4, fb_height * 3 / 4,
|
||
|
0x0000ffff);
|
||
|
|
||
|
if (cogl_test_verbose ())
|
||
|
g_print ("OK\n");
|
||
|
}
|