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/*
* Copyright 2012 Andrea Canciani
*
* 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 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.
*
* Author: Andrea Canciani <ranma42@gmail.com>
*/
#include "cairo-test.h"
static const char *png_filename = "romedalen.png";
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
const cairo_test_context_t *ctx = cairo_test_get_context (cr);
cairo_format_t format = CAIRO_FORMAT_ARGB32;
cairo_t *cr_inv;
cairo_surface_t *png, *inv;
uint8_t *data;
int stride;
png = cairo_test_create_surface_from_png (ctx, png_filename);
stride = cairo_format_stride_for_width (format, width);
data = calloc (stride, height);
inv = cairo_image_surface_create_for_data (data + stride * (height - 1),
format, width, height, -stride);
cr_inv = cairo_create (inv);
cairo_set_source_surface (cr_inv, png, 0, 0);
cairo_paint (cr_inv);
cairo_destroy (cr_inv);
cairo_set_source_surface (cr, inv, 0, 0);
cairo_paint (cr);
cairo_surface_destroy (png);
cairo_surface_finish (inv);
cairo_surface_destroy (inv);
free (data);
return CAIRO_TEST_SUCCESS;
}
CAIRO_TEST (negative_stride_image,
"Test that images with a negative stride are handled correctly.",
"stride, image", /* keywords */
NULL, /* requirements */
256, 192,
NULL, draw)
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