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/*
* Copyright © 2009 Joonas Pihlaja
*
* 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 the copyright holders not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. The copyright holders make no representations
* about the suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE COPYRIGHT HOLDERS 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 "cairo-test.h"
/* This test attempts to trigger failures in those clone_similar
* backend methods that have size restrictions. */
static cairo_surface_t *
create_large_source (int width, int height)
{
cairo_surface_t *surface;
cairo_t *cr;
surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, width, height);
cr = cairo_create (surface);
cairo_surface_destroy (surface);
cairo_set_source_rgb (cr, 1,0,0); /* red */
cairo_paint (cr);
surface = cairo_surface_reference (cairo_get_target (cr));
cairo_destroy (cr);
return surface;
}
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
cairo_surface_t *source;
/* Since 1cc750ed92a936d84b47cac696aaffd226e1c02e pixman will not
* paint on the source surface if source_width > 30582. */
double source_width = 30000.0;
cairo_set_source_rgb (cr, 1,1,1);
cairo_paint (cr);
/* Create an excessively wide source image, all red. */
source = create_large_source (source_width, height);
/* Set a transform so that the source is scaled down to fit in the
* destination horizontally and then paint the entire source to
* the context. */
cairo_scale (cr, width/source_width, 1.0);
cairo_set_source_surface (cr, source, 0, 0);
cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
cairo_paint (cr);
cairo_surface_destroy (source);
return CAIRO_TEST_SUCCESS;
}
CAIRO_TEST (large_source_roi,
"Uses a all of a large source image.",
"stress, source", /* keywords */
NULL, /* requirements */
7, 7,
NULL, draw)
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