tests/internal-screenshot: use image-iter.h

Simplify the code by using ready-made helpers.

This also change the loop to draw the image row by row rather than
column by column. Row by row is more natural as it is linear with the
memory layout. No other change in behaviour.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
dev
Pekka Paalanen 2 years ago committed by Pekka Paalanen
parent 884c5f80e8
commit 67331be0cd
  1. 21
      tests/internal-screenshot-test.c

@ -30,6 +30,7 @@
#include "weston-test-client-helper.h"
#include "weston-test-fixture-compositor.h"
#include "image-iter.h"
#include "test-config.h"
static enum test_result_code
@ -55,31 +56,21 @@ DECLARE_FIXTURE_SETUP(fixture_setup);
static void
draw_stuff(pixman_image_t *image)
{
int w, h;
int stride; /* bytes */
struct image_header ih = image_header_from(image);
int x, y;
uint32_t r, g, b;
uint32_t *pixels;
uint32_t *pixel;
pixman_format_code_t fmt;
fmt = pixman_image_get_format(image);
w = pixman_image_get_width(image);
h = pixman_image_get_height(image);
stride = pixman_image_get_stride(image);
pixels = pixman_image_get_data(image);
for (y = 0; y < ih.height; y++) {
uint32_t *pixel = image_header_get_row_u32(&ih, y);
assert(PIXMAN_FORMAT_BPP(fmt) == 32);
for (x = 0; x < w; x++)
for (y = 0; y < h; y++) {
for (x = 0; x < ih.width; x++, pixel++) {
b = x;
g = x + y;
r = y;
pixel = pixels + (y * stride / 4) + x;
*pixel = (255U << 24) | (r << 16) | (g << 8) | b;
}
}
}
TEST(internal_screenshot)
{

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