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/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */
/*
* Copyright 2010 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"
#define NUM_EXTEND 4
#define HEIGHT 32
#define WIDTH 32
#define PAD 6
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
cairo_pattern_t *pattern;
unsigned int i, j;
cairo_extend_t extend[NUM_EXTEND] = {
CAIRO_EXTEND_NONE,
CAIRO_EXTEND_REPEAT,
CAIRO_EXTEND_REFLECT,
CAIRO_EXTEND_PAD
};
cairo_test_paint_checkered (cr);
cairo_translate (cr, PAD, PAD);
for (i = 0; i < 3; i++) {
cairo_save (cr);
for (j = 0; j < NUM_EXTEND; j++) {
cairo_reset_clip (cr);
cairo_rectangle (cr, 0, 0, WIDTH, HEIGHT);
cairo_clip (cr);
if (i == 0)
pattern = cairo_pattern_create_radial (WIDTH/2, HEIGHT/2, 0, WIDTH/2, HEIGHT/2, 0);
else if (i == 1)
pattern = cairo_pattern_create_radial (WIDTH/2, HEIGHT/2, 2*PAD, WIDTH/2, HEIGHT/2, 2*PAD);
else if (i == 2)
pattern = cairo_pattern_create_radial (PAD, PAD, 0, WIDTH-PAD, HEIGHT-PAD, 0);
cairo_pattern_add_color_stop_rgba (pattern, 0, 1, 0, 0, 1);
cairo_pattern_add_color_stop_rgba (pattern, sqrt (1.0 / 2.0), 0, 1, 0, 0);
cairo_pattern_add_color_stop_rgba (pattern, 1, 0, 0, 1, 0.5);
cairo_pattern_set_extend (pattern, extend[j]);
cairo_set_source (cr, pattern);
cairo_paint (cr);
cairo_pattern_destroy (pattern);
cairo_translate (cr, WIDTH+PAD, 0);
}
cairo_restore (cr);
cairo_translate (cr, 0, HEIGHT+PAD);
}
return CAIRO_TEST_SUCCESS;
}
CAIRO_TEST (degenerate_radial_gradient,
"Tests degenerate radial gradients",
"radial, pattern, extend", /* keywords */
NULL, /* requirements */
(WIDTH+PAD) * NUM_EXTEND + PAD, 3*(HEIGHT + PAD) + PAD,
NULL, draw)