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/*
* Copyright © 2015 Samsung Electronics Co., Ltd
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "config.h"
#include <stdio.h>
#include "weston-test-client-helper.h"
char *server_parameters="--use-pixman --width=320 --height=240";
static void
draw_stuff(void *pixels, int w, int h)
{
int x, y;
uint8_t r, g, b;
uint32_t *pixel;
for (x = 0; x < w; x++)
for (y = 0; y < h; y++) {
b = x;
g = x + y;
r = y;
pixel = (uint32_t *)pixels + y * w + x;
*pixel = (255 << 24) | (r << 16) | (g << 8) | b;
}
}
TEST(internal_screenshot)
{
struct wl_buffer *buf;
struct client *client;
struct wl_surface *surface;
struct surface *screenshot = NULL;
struct surface *reference_good = NULL;
struct surface *reference_bad = NULL;
struct rectangle clip;
const char *fname;
bool match = false;
bool dump_all_images = true;
void *pixels;
/* Create the client */
printf("Creating client for test\n");
client = create_client_and_test_surface(100, 100, 100, 100);
assert(client);
surface = client->surface->wl_surface;
buf = create_shm_buffer(client, 100, 100, &pixels);
draw_stuff(pixels, 100, 100);
wl_surface_attach(surface, buf, 0, 0);
wl_surface_damage(surface, 0, 0, 100, 100);
wl_surface_commit(surface);
/* Take a snapshot. Result will be in screenshot->wl_buffer. */
printf("Taking a screenshot\n");
screenshot = capture_screenshot_of_output(client);
assert(screenshot);
/* Load good reference image */
fname = screenshot_reference_filename("internal-screenshot-good", 0);
printf("Loading good reference image %s\n", fname);
reference_good = load_surface_from_png(fname);
assert(reference_good);
/* Load bad reference image */
fname = screenshot_reference_filename("internal-screenshot-bad", 0);
printf("Loading bad reference image %s\n", fname);
reference_bad = load_surface_from_png(fname);
assert(reference_bad);
/* Test check_surfaces_equal()
* We expect this to fail since we use a bad reference image
*/
match = check_surfaces_equal(screenshot, reference_bad);
printf("Screenshot %s reference image\n", match? "equal to" : "different from");
assert(!match);
free(reference_bad->data);
free(reference_bad);
/* Test check_surfaces_match_in_clip()
* Alpha-blending and other effects can cause irrelevant discrepancies, so look only
* at a small portion of the solid-colored background
*/
clip.x = 100;
clip.y = 100;
clip.width = 100;
clip.height = 100;
printf("Clip: %d,%d %d x %d\n", clip.x, clip.y, clip.width, clip.height);
match = check_surfaces_match_in_clip(screenshot, reference_good,
&clip);
printf("Screenshot %s reference image in clipped area\n", match? "matches" : "doesn't match");
free(reference_good->data);
free(reference_good);
/* Test dumping of non-matching images */
if (!match || dump_all_images) {
fname = screenshot_output_filename("internal-screenshot", 0);
write_surface_as_png(screenshot, fname);
}
free(screenshot);
printf("Test complete\n");
assert(match);
}
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