mirror of
https://gitlab.freedesktop.org/cairo/cairo.git
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82 lines
2.5 KiB
C
82 lines
2.5 KiB
C
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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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#include "cairo-test.h"
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static cairo_pattern_t *
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create_pattern (cairo_surface_t *target)
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{
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cairo_surface_t *surface;
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cairo_pattern_t *pattern;
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cairo_t *cr;
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cairo_matrix_t m;
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surface = cairo_surface_create_similar(target,
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cairo_surface_get_content (target),
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1000, 600);
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cr = cairo_create (surface);
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cairo_surface_destroy (surface);
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cairo_set_source_rgb (cr, 0, 1, 0);
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cairo_paint(cr);
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pattern = cairo_pattern_create_for_surface (cairo_get_target (cr));
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cairo_destroy(cr);
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cairo_matrix_init_translate (&m, 0, 0.1); // y offset must be non-integer
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cairo_pattern_set_matrix (pattern, &m);
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return pattern;
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}
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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_set_operator (cr, CAIRO_OPERATOR_SOURCE);
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cairo_set_source_rgb (cr, 1, 0, 0);
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cairo_paint (cr);
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cairo_new_path (cr);
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cairo_move_to (cr, 10, 400.1);
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cairo_line_to (cr, 990, 400.1);
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cairo_line_to (cr, 990, 600);
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cairo_line_to (cr, 10, 600);
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cairo_close_path (cr);
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pattern = create_pattern (cairo_get_target (cr));
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cairo_set_source (cr, pattern);
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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 (bug_source_cu,
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"Exercises a bug discovered in the tracking of unbounded source extents",
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"fill", /* keywords */
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NULL, /* requirements */
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1000, 600,
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NULL, draw)
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