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9cd9644c1d
Check that colour values are correctly passed through all the backends. Simple test of the most fundamental functionality.
99 lines
2.7 KiB
C
99 lines
2.7 KiB
C
/*
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* Copyright 2008 Chris Wilson
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*
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* Permission to use, copy, modify, distribute, and sell this software
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* and its documentation for any purpose is hereby granted without
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* fee, provided that the above copyright notice appear in all copies
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* and that both that copyright notice and this permission notice
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* appear in supporting documentation, and that the name of
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* Chris Wilson not be used in advertising or publicity pertaining to
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* distribution of the software without specific, written prior
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* permission. Chris Wilson makes no representations about the
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* suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL,
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* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
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* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
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* IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* Author: Chris Wilson <chris@chris-wilson.co.uk>
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*/
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#include "cairo-test.h"
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static cairo_test_draw_function_t draw;
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static const cairo_test_t test = {
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"pass-through",
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"Tests pixel values",
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16, 256,
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draw
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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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int n;
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for (n = 0; n < 256; n++) {
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cairo_set_source_rgba (cr, 1, 1, 1, n / 255.);
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cairo_rectangle (cr, 0, n, 2, 1);
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cairo_fill (cr);
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}
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for (n = 0; n < 256; n++) {
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cairo_set_source_rgb (cr, n / 255., n / 255., n / 255.);
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cairo_rectangle (cr, 2, n, 2, 1);
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cairo_fill (cr);
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}
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cairo_translate (cr, 4, 0);
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for (n = 0; n < 256; n++) {
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cairo_set_source_rgba (cr, 1, 0, 0, n / 255.);
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cairo_rectangle (cr, 0, n, 2, 1);
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cairo_fill (cr);
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}
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for (n = 0; n < 256; n++) {
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cairo_set_source_rgb (cr, n / 255., 0, 0);
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cairo_rectangle (cr, 2, n, 2, 1);
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cairo_fill (cr);
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}
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cairo_translate (cr, 4, 0);
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for (n = 0; n < 256; n++) {
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cairo_set_source_rgba (cr, 0, 1, 0, n / 255.);
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cairo_rectangle (cr, 0, n, 2, 1);
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cairo_fill (cr);
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}
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for (n = 0; n < 256; n++) {
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cairo_set_source_rgb (cr, 0, n / 255., 0);
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cairo_rectangle (cr, 2, n, 2, 1);
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cairo_fill (cr);
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}
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cairo_translate (cr, 4, 0);
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for (n = 0; n < 256; n++) {
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cairo_set_source_rgba (cr, 0, 0, 1, n / 255.);
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cairo_rectangle (cr, 0, n, 2, 1);
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cairo_fill (cr);
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}
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for (n = 0; n < 256; n++) {
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cairo_set_source_rgb (cr, 0, 0, n / 255.);
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cairo_rectangle (cr, 2, n, 2, 1);
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cairo_fill (cr);
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}
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return CAIRO_TEST_SUCCESS;
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}
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int
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main (void)
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{
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return cairo_test (&test);
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}
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