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Diffstat (limited to 'libs/cairo-1.16.0/test/mesh-pattern-conical.c')
| -rw-r--r-- | libs/cairo-1.16.0/test/mesh-pattern-conical.c | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/libs/cairo-1.16.0/test/mesh-pattern-conical.c b/libs/cairo-1.16.0/test/mesh-pattern-conical.c deleted file mode 100644 index 4e87eec..0000000 --- a/libs/cairo-1.16.0/test/mesh-pattern-conical.c +++ /dev/null @@ -1,135 +0,0 @@ -/* - * 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" -#include <math.h> - -#define PAT_WIDTH 100 -#define PAT_HEIGHT 100 -#define SIZE PAT_WIDTH -#define PAD 2 -#define WIDTH (PAD + SIZE + PAD) -#define HEIGHT WIDTH - - -/* - * This test is designed to paint a mesh pattern which contains 8 - * circular sectors approximating a conical gradient. - */ - -#define CENTER_X 50 -#define CENTER_Y 50 -#define RADIUS 50 - -static void -sector_patch (cairo_pattern_t *pattern, - double angle_A, - double A_r, double A_g, double A_b, - double angle_B, - double B_r, double B_g, double B_b) -{ - double r_sin_A, r_cos_A; - double r_sin_B, r_cos_B; - double h; - - r_sin_A = RADIUS * sin (angle_A); - r_cos_A = RADIUS * cos (angle_A); - r_sin_B = RADIUS * sin (angle_B); - r_cos_B = RADIUS * cos (angle_B); - - h = 4.0/3.0 * tan ((angle_B - angle_A) / 4.0); - - cairo_mesh_pattern_begin_patch (pattern); - - cairo_mesh_pattern_move_to (pattern, CENTER_X, CENTER_Y); - cairo_mesh_pattern_line_to (pattern, - CENTER_X + r_cos_A, - CENTER_Y + r_sin_A); - - cairo_mesh_pattern_curve_to (pattern, - CENTER_X + r_cos_A - h * r_sin_A, - CENTER_Y + r_sin_A + h * r_cos_A, - CENTER_X + r_cos_B + h * r_sin_B, - CENTER_Y + r_sin_B - h * r_cos_B, - CENTER_X + r_cos_B, - CENTER_Y + r_sin_B); - - cairo_mesh_pattern_set_corner_color_rgb (pattern, 0, 1, 1, 1); - cairo_mesh_pattern_set_corner_color_rgb (pattern, 1, A_r, A_g, A_b); - cairo_mesh_pattern_set_corner_color_rgb (pattern, 2, B_r, B_g, B_b); - - cairo_mesh_pattern_end_patch (pattern); -} - -static cairo_test_status_t -draw (cairo_t *cr, int width, int height) -{ - cairo_pattern_t *pattern; - - cairo_set_source_rgb (cr, 1, 1, 1); - cairo_paint (cr); - - cairo_translate (cr, PAD, PAD); - - pattern = cairo_pattern_create_mesh (); - sector_patch (pattern, - 0, 1, 0, 0, - M_PI/4, 1, 1, 0); - sector_patch (pattern, - M_PI/4, 0, 1, 0, - M_PI/2, 0, 1, 1); - sector_patch (pattern, - M_PI/2, 0, 0, 1, - 3*M_PI/4, 1, 0, 1); - sector_patch (pattern, - 3*M_PI/4, 1, 0, 0, - M_PI, 1, 1, 0); - sector_patch (pattern, - -M_PI, 1, 1, 0, - -3*M_PI/4, 0, 1, 0); - sector_patch (pattern, - -3*M_PI/4, 0, 1, 0, - -M_PI/2, 0, 1, 1); - sector_patch (pattern, - -M_PI/2, 0, 1, 1, - -M_PI/4, 0, 0, 1); - sector_patch (pattern, - -M_PI/4, 0, 0, 1, - 0, 1, 0, 0); - - cairo_set_source (cr, pattern); - cairo_paint (cr); - cairo_pattern_destroy (pattern); - - return CAIRO_TEST_SUCCESS; -} - -CAIRO_TEST (mesh_pattern_conical, - "Paint a conical pattern using a mesh pattern", - "conical, mesh, pattern", /* keywords */ - NULL, /* requirements */ - WIDTH, HEIGHT, - NULL, draw) |