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/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */
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/*
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 * Copyright 2010 Andrea Canciani
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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: Andrea Canciani <ranma42@gmail.com>
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 */
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#include "cairo-test.h"
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#define NUM_EXTEND 4
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#define HEIGHT 16
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#define WIDTH 16
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#define PAD 3
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static cairo_test_status_t
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3
draw (cairo_t *cr, int width, int height)
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{
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    cairo_pattern_t *pattern;
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    unsigned int i, j;
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3
    cairo_extend_t extend[NUM_EXTEND] = {
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	CAIRO_EXTEND_NONE,
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	CAIRO_EXTEND_REPEAT,
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	CAIRO_EXTEND_REFLECT,
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	CAIRO_EXTEND_PAD
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    };
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3
    cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
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    cairo_translate (cr, PAD, PAD);
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    for (i = 0; i < 3; i++) {
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        cairo_save (cr);
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	for (j = 0; j < NUM_EXTEND; j++) {
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	    cairo_reset_clip (cr);
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	    cairo_rectangle (cr, 0, 0, WIDTH, HEIGHT);
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	    cairo_clip (cr);
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	    if (i == 0)
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		pattern = cairo_pattern_create_linear (0, 2*PAD, 0, HEIGHT - 2*PAD);
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	    else if (i == 1)
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		pattern = cairo_pattern_create_linear (2*PAD, 2*PAD, HEIGHT - 2*PAD, HEIGHT - 2*PAD);
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	    else if (i == 2)
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		pattern = cairo_pattern_create_linear (2*PAD, 0, HEIGHT - 2*PAD, 0);
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	    cairo_pattern_add_color_stop_rgb (pattern, 0.25, 0, 0, 1);
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	    cairo_pattern_set_extend (pattern, extend[j]);
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	    cairo_set_source (cr, pattern);
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	    cairo_paint (cr);
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	    cairo_pattern_destroy (pattern);
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	    cairo_translate (cr, WIDTH+PAD, 0);
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	}
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	cairo_restore (cr);
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	cairo_translate (cr, 0, HEIGHT+PAD);
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    }
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    return CAIRO_TEST_SUCCESS;
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}
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1
CAIRO_TEST (linear_gradient_one_stop,
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	    "Tests linear gradients with a single stop",
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	    "gradient,linear,", /* keywords */
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	    NULL, /* requirements */
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	    (WIDTH+PAD) * NUM_EXTEND + PAD, 3*(HEIGHT + PAD) + PAD,
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	    NULL, draw)