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Diffstat (limited to 'test/mesh-pattern-control-points.c')
| -rw-r--r-- | test/mesh-pattern-control-points.c | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/test/mesh-pattern-control-points.c b/test/mesh-pattern-control-points.c new file mode 100644 index 000000000..057e7a1f6 --- /dev/null +++ b/test/mesh-pattern-control-points.c @@ -0,0 +1,114 @@ +/* + * Copyright © 2009 Adrian Johnson + * + * 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: Adrian Johnson <ajohnson@redneon.com> + */ + +#include "cairo-test.h" + +#define SIZE 90 +#define PAD 10 +#define WIDTH (PAD + 2 * (SIZE + PAD)) +#define HEIGHT (PAD + SIZE + PAD) + + +/* + * This test is designed to paint a two mesh patches. One with default + * control points and one with a control point at a no default + * location. The control points of both of them are drawn as squares + * to make them visible. + */ + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *pattern; + unsigned int i, j; + unsigned int num_patches; + double x, y; + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_translate (cr, PAD, PAD); + + pattern = cairo_pattern_create_mesh (); + cairo_mesh_pattern_begin_patch (pattern); + + cairo_mesh_pattern_move_to (pattern, 0, 0); + cairo_mesh_pattern_line_to (pattern, SIZE, 0); + cairo_mesh_pattern_line_to (pattern, SIZE, SIZE); + cairo_mesh_pattern_line_to (pattern, 0, SIZE); + + cairo_mesh_pattern_set_corner_color_rgb (pattern, 0, 1, 0, 0); + cairo_mesh_pattern_set_corner_color_rgb (pattern, 1, 0, 1, 0); + cairo_mesh_pattern_set_corner_color_rgb (pattern, 2, 0, 0, 1); + cairo_mesh_pattern_set_corner_color_rgb (pattern, 3, 1, 1, 0); + + cairo_mesh_pattern_set_control_point (pattern, 0, SIZE * .7, SIZE * .7); + cairo_mesh_pattern_set_control_point (pattern, 1, SIZE * .9, SIZE * .7); + cairo_mesh_pattern_set_control_point (pattern, 2, SIZE * .9, SIZE * .9); + cairo_mesh_pattern_set_control_point (pattern, 3, SIZE * .7, SIZE * .9); + + cairo_mesh_pattern_end_patch (pattern); + + cairo_mesh_pattern_begin_patch (pattern); + + cairo_mesh_pattern_move_to (pattern, SIZE + PAD, 0); + cairo_mesh_pattern_line_to (pattern, 2*SIZE + PAD, 0); + cairo_mesh_pattern_line_to (pattern, 2*SIZE + PAD, SIZE); + cairo_mesh_pattern_line_to (pattern, SIZE + PAD, SIZE); + + cairo_mesh_pattern_set_corner_color_rgb (pattern, 0, 1, 0, 0); + cairo_mesh_pattern_set_corner_color_rgb (pattern, 1, 0, 1, 0); + cairo_mesh_pattern_set_corner_color_rgb (pattern, 2, 0, 0, 1); + cairo_mesh_pattern_set_corner_color_rgb (pattern, 3, 1, 1, 0); + + cairo_mesh_pattern_end_patch (pattern); + + cairo_set_source (cr, pattern); + cairo_paint (cr); + + /* mark the location of the control points */ + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_mesh_pattern_get_patch_count (pattern, &num_patches); + for (i = 0; i < num_patches; i++) { + for (j = 0; j < 4; j++) { + cairo_mesh_pattern_get_control_point (pattern, i, j, &x, &y); + cairo_rectangle (cr, x - 5, y - 5, 10, 10); + cairo_fill (cr); + } + } + + cairo_pattern_destroy (pattern); + + return CAIRO_TEST_SUCCESS; +} + + +CAIRO_TEST (mesh_pattern_control_points, + "Paint mesh pattern with non default control points", + "mesh, pattern", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) |