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6472864b2c
Cairo makes it possible to create gradients whose extreme objects are defined with double precision coordinates, but it internally represents them with 24.8 fixed point precision. This shows that coordinates that don't fit the valid range are mishandled and don't even trigger an error status.
69 lines
2.3 KiB
C
69 lines
2.3 KiB
C
/*
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* Copyright © 2006 Benjamin Otte
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* Copyright © 2009 Chris Wilson
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Author: Benjamin Otte <otte@gnome.org>
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* Chris Wilson <chris@chris-wilson.co.uk>
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*/
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#include "cairo-test.h"
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/* set this to 0.1 to make this test work */
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#define FACTOR 1.e6
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/* XXX poppler-cairo doesn't handle gradients very well... */
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static cairo_test_status_t
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draw (cairo_t *cr, int width, int height)
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{
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cairo_pattern_t *pattern;
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cairo_matrix_t mat = {
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0, -4.5254285714285709 * FACTOR,
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-2.6398333333333333 * FACTOR, 0,
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0, 0
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};
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pattern = cairo_pattern_create_radial (0, 0, 0,
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0, 0, 16384 * FACTOR);
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cairo_pattern_add_color_stop_rgba (pattern,
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0, 0.376471, 0.533333, 0.27451, 1);
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cairo_pattern_add_color_stop_rgba (pattern, 1, 1, 1, 1, 1);
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cairo_pattern_set_matrix (pattern, &mat);
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cairo_scale (cr, 0.05, 0.05);
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cairo_translate (cr, 6000, 3500);
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cairo_set_source (cr, pattern);
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cairo_rectangle (cr, -6000, -3500, 12000, 7000);
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cairo_pattern_destroy (pattern);
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cairo_fill (cr);
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return CAIRO_TEST_SUCCESS;
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}
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CAIRO_TEST (huge_radial,
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"Test huge radial patterns",
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"gradient, radial", /* keywords */
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NULL, /* requirements */
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600, 350,
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NULL, draw)
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