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/*
* Copyright © 2005 Eric Anholt
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Eric Anholt not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Eric Anholt makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* ERIC ANHOLT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL ERIC ANHOLT BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#include <stdio.h>
#include "rendercheck.h"
#define TEST_WIDTH 10
#define TEST_HEIGHT 10
/* Test destination coordinates by drawing a 3x3 picture offset one pixel.
*
* Note: fg must have solid 1.0 alpha, but still have an alpha channel.
* Otherwise, we're likely to hit a path that maps PictOpOver -> PictOpSrc,
* for example.
*/
bool
dstcoords_test(Display *dpy, picture_info *win, int op, picture_info *dst,
picture_info *bg, picture_info *fg)
{
color4d expected, tested;
XImage *image;
int x, y, i;
bool failed = false;
for (i = 0; i < pixmap_move_iter; i++) {
XRenderComposite(dpy, PictOpSrc, bg->pict, 0, dst->pict, 0, 0,
0, 0, 0, 0, TEST_WIDTH, TEST_HEIGHT);
XRenderComposite(dpy, op, fg->pict, 0, dst->pict, 0, 0,
0, 0, 1, 1, 3, 3);
}
copy_pict_to_win(dpy, dst, win, TEST_WIDTH, TEST_HEIGHT);
image = XGetImage(dpy, dst->d,
0, 0, 5, 5,
~0U, ZPixmap);
for (x = 0; x < 5; x++) {
for (y = 0; y < 5; y++) {
get_pixel_from_image(image, dst, x, y, &tested);
if ((x >= 1 && x <= 3) && (y >= 1 && y <= 3))
expected = fg->color;
else
expected = bg->color;
color_correct(dst, &expected);
if (eval_diff(&dst->format->direct, &expected, &tested) > 2.0) {
print_fail("dst coords",
&expected, &tested, x, y,
eval_diff(&dst->format->direct, &expected, &tested));
failed = true;
}
}
}
XDestroyImage(image);
return !failed;
}
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