| /* -*- 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 16 |
| #define WIDTH 16 |
| #define PAD 3 |
| |
| 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); |
| |
| pattern = cairo_pattern_create_linear (0, 2*PAD, 0, HEIGHT - 2*PAD); |
| |
| cairo_pattern_add_color_stop_rgb (pattern, 0, 0, 0, 1); |
| cairo_pattern_add_color_stop_rgb (pattern, 1, 0, 0, 1); |
| |
| cairo_translate (cr, PAD, PAD); |
| |
| for (i = 0; i < 2; i++) { |
| cairo_save (cr); |
| |
| for (j = 0; j < NUM_EXTEND; j++) { |
| cairo_pattern_set_extend (pattern, extend[j]); |
| |
| cairo_reset_clip (cr); |
| cairo_rectangle (cr, 0, 0, WIDTH, HEIGHT); |
| cairo_clip (cr); |
| |
| if (i & 1) { |
| cairo_set_source_rgb (cr, 0, 1, 0); |
| cairo_mask (cr, pattern); |
| } else { |
| cairo_set_source (cr, pattern); |
| cairo_paint (cr); |
| } |
| |
| cairo_translate (cr, WIDTH+PAD, 0); |
| } |
| |
| cairo_restore (cr); |
| cairo_translate (cr, 0, HEIGHT+PAD); |
| } |
| |
| cairo_pattern_destroy (pattern); |
| |
| return CAIRO_TEST_SUCCESS; |
| } |
| |
| CAIRO_TEST (linear_gradient_extend, |
| "Tests gradient to solid reduction of linear gradients", |
| "linear, pattern, extend", /* keywords */ |
| NULL, /* requirements */ |
| (WIDTH+PAD) * NUM_EXTEND + PAD, 2*(HEIGHT + PAD) + PAD, |
| NULL, draw) |