diff options
Diffstat (limited to 'libs/cairo-1.16.0/test/linear-gradient-extend.c')
-rw-r--r-- | libs/cairo-1.16.0/test/linear-gradient-extend.c | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/libs/cairo-1.16.0/test/linear-gradient-extend.c b/libs/cairo-1.16.0/test/linear-gradient-extend.c new file mode 100644 index 0000000..b1328b4 --- /dev/null +++ b/libs/cairo-1.16.0/test/linear-gradient-extend.c @@ -0,0 +1,92 @@ +/* -*- 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) |