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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 <stdlib.h>
#include "rendercheck.h"
#define TEST_WIDTH 40
#define TEST_HEIGHT 40
static int dot_colors[5][5] = {
{7, 7, 7, 7, 7},
{7, 7, 7, 7, 7},
{7, 0, 7, 7, 7},
{7, 7, 7, 7, 7},
{7, 7, 7, 7, 7},
};
static picture_info *create_dot_picture(Display *dpy)
{
picture_info *p;
int i;
p = malloc(sizeof(picture_info));
p->d = XCreatePixmap(dpy, DefaultRootWindow(dpy), 5, 5, 32);
p->format = XRenderFindStandardFormat(dpy, PictStandardARGB32);
p->pict = XRenderCreatePicture(dpy, p->d, p->format, 0, NULL);
p->name = (char *)"dot picture";
for (i = 0; i < 25; i++) {
int x = i % 5;
int y = i / 5;
color4d *c = &colors[dot_colors[y][x]];
argb_fill(dpy, p, x, y, 1, 1, c->a, c->r, c->g, c->b);
}
return p;
}
static void destroy_dot_picture(Display *dpy, picture_info *p)
{
XRenderFreePicture(dpy, p->pict);
XFreePixmap(dpy, p->d);
free(p);
}
static void init_transform (XTransform *t)
{
int i, j;
for (i = 0; i < 3; i++)
for (j = 0; j < 3; j++)
t->matrix[i][j] = XDoubleToFixed((i == j) ? 1 : 0);
}
/* Test drawing a 5x5 source image scaled 8x, as either a source or mask.
*/
Bool
trans_coords_test(Display *dpy, picture_info *win, picture_info *white,
Bool test_mask)
{
color4d tested;
Bool failed = FALSE;
int tested_colors[TEST_HEIGHT][TEST_WIDTH], expected_colors[TEST_HEIGHT][TEST_WIDTH];
XTransform t;
picture_info *src;
XImage *image;
int x, y;
/* Skip this test when using indexed picture formats because
* indexed color comparisons are not implemented in rendercheck
* yet.
*/
if (win->format->type == PictTypeIndexed) {
return TRUE;
}
src = create_dot_picture(dpy);
if (src == NULL) {
fprintf(stderr, "couldn't allocate picture for test\n");
return FALSE;
}
init_transform(&t);
t.matrix[2][2] = XDoubleToFixed(8);
XRenderSetPictureTransform(dpy, src->pict, &t);
if (!test_mask)
XRenderComposite(dpy, PictOpSrc, src->pict, 0,
win->pict, 0, 0, 0, 0, 0, 0, TEST_WIDTH, TEST_HEIGHT);
else {
XRenderComposite(dpy, PictOpSrc, white->pict, src->pict,
win->pict, 0, 0, 0, 0, 0, 0, TEST_WIDTH, TEST_HEIGHT);
}
image = XGetImage(dpy, win->d,
0, 0, TEST_WIDTH, TEST_HEIGHT,
0xffffffff, ZPixmap);
for (y = 0; y < TEST_HEIGHT; y++) {
for (x = 0; x < TEST_WIDTH; x++) {
int src_sample_x, src_sample_y;
src_sample_x = x / 8;
src_sample_y = y / 8;
expected_colors[y][x] = dot_colors[src_sample_y][src_sample_x];
get_pixel_from_image(image, win, x, y, &tested);
if (tested.r == 1.0 && tested.g == 1.0 && tested.b == 1.0) {
tested_colors[y][x] = 0;
} else if (tested.r == 0.0 && tested.g == 0.0 &&
tested.b == 0.0) {
tested_colors[y][x] = 7;
} else {
tested_colors[y][x] = 9;
}
if (tested_colors[y][x] != expected_colors[y][x])
failed = TRUE;
}
}
if (failed) {
printf("%s transform coordinates test failed.\n",
test_mask ? "mask" : "src");
printf("expected vs tested:\n");
for (y = 0; y < TEST_HEIGHT; y++) {
for (x = 0; x < TEST_WIDTH; x++)
printf("%d", expected_colors[y][x]);
printf(" ");
for (x = 0; x < TEST_WIDTH; x++)
printf("%d", tested_colors[y][x]);
printf("\n");
}
printf(" vs tested (same)\n");
for (y = 0; y < TEST_HEIGHT; y++) {
for (x = 0; x < TEST_WIDTH; x++)
printf("%d", tested_colors[y][x]);
printf("\n");
}
}
XDestroyImage(image);
init_transform(&t);
XRenderSetPictureTransform(dpy, src->pict, &t);
destroy_dot_picture(dpy, src);
return !failed;
}
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