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5f039f0f89
This is consistent with the naming of most cairo types/functions (example: cairo_foo_surface_*). The substitution in the code has been performed using: sed -i 's/cairo_pattern_mesh_/cairo_mesh_pattern_/' <files>
114 lines
4 KiB
C
114 lines
4 KiB
C
/*
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* Copyright © 2009 Adrian Johnson
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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: Adrian Johnson <ajohnson@redneon.com>
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*/
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#include "cairo-test.h"
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#define SIZE 90
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#define PAD 10
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#define WIDTH (PAD + 2 * (SIZE + PAD))
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#define HEIGHT (PAD + SIZE + PAD)
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/*
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* This test is designed to paint a two mesh patches. One with default
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* control points and one with a control point at a no default
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* location. The control points of both of them are drawn as squares
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* to make them visible.
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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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cairo_pattern_t *pattern;
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unsigned int i, j;
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unsigned int num_patches;
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double x, y;
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cairo_set_source_rgb (cr, 1, 1, 1);
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cairo_paint (cr);
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cairo_translate (cr, PAD, PAD);
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pattern = cairo_pattern_create_mesh ();
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cairo_mesh_pattern_begin_patch (pattern);
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cairo_mesh_pattern_move_to (pattern, 0, 0);
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cairo_mesh_pattern_line_to (pattern, SIZE, 0);
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cairo_mesh_pattern_line_to (pattern, SIZE, SIZE);
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cairo_mesh_pattern_line_to (pattern, 0, SIZE);
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cairo_mesh_pattern_set_corner_color_rgb (pattern, 0, 1, 0, 0);
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cairo_mesh_pattern_set_corner_color_rgb (pattern, 1, 0, 1, 0);
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cairo_mesh_pattern_set_corner_color_rgb (pattern, 2, 0, 0, 1);
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cairo_mesh_pattern_set_corner_color_rgb (pattern, 3, 1, 1, 0);
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cairo_mesh_pattern_set_control_point (pattern, 0, SIZE * .7, SIZE * .7);
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cairo_mesh_pattern_set_control_point (pattern, 1, SIZE * .9, SIZE * .7);
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cairo_mesh_pattern_set_control_point (pattern, 2, SIZE * .9, SIZE * .9);
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cairo_mesh_pattern_set_control_point (pattern, 3, SIZE * .7, SIZE * .9);
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cairo_mesh_pattern_end_patch (pattern);
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cairo_mesh_pattern_begin_patch (pattern);
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cairo_mesh_pattern_move_to (pattern, SIZE + PAD, 0);
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cairo_mesh_pattern_line_to (pattern, 2*SIZE + PAD, 0);
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cairo_mesh_pattern_line_to (pattern, 2*SIZE + PAD, SIZE);
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cairo_mesh_pattern_line_to (pattern, SIZE + PAD, SIZE);
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cairo_mesh_pattern_set_corner_color_rgb (pattern, 0, 1, 0, 0);
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cairo_mesh_pattern_set_corner_color_rgb (pattern, 1, 0, 1, 0);
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cairo_mesh_pattern_set_corner_color_rgb (pattern, 2, 0, 0, 1);
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cairo_mesh_pattern_set_corner_color_rgb (pattern, 3, 1, 1, 0);
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cairo_mesh_pattern_end_patch (pattern);
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cairo_set_source (cr, pattern);
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cairo_paint (cr);
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/* mark the location of the control points */
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cairo_set_source_rgb (cr, 0, 0, 0);
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cairo_mesh_pattern_get_patch_count (pattern, &num_patches);
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for (i = 0; i < num_patches; i++) {
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for (j = 0; j < 4; j++) {
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cairo_mesh_pattern_get_control_point (pattern, i, j, &x, &y);
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cairo_rectangle (cr, x - 5, y - 5, 10, 10);
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cairo_fill (cr);
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}
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}
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cairo_pattern_destroy (pattern);
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return CAIRO_TEST_SUCCESS;
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}
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CAIRO_TEST (mesh_pattern_control_points,
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"Paint mesh pattern with non default control points",
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"mesh,pattern", /* keywords */
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NULL, /* requirements */
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WIDTH, HEIGHT,
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NULL, draw)
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