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Diffstat (limited to 'test/linear_gradient.c')
| -rw-r--r-- | test/linear_gradient.c | 141 |
1 files changed, 0 insertions, 141 deletions
diff --git a/test/linear_gradient.c b/test/linear_gradient.c deleted file mode 100644 index 189b50065..000000000 --- a/test/linear_gradient.c +++ /dev/null @@ -1,141 +0,0 @@ -/* - * Copyright © 2005 Red Hat, Inc. - * - * Permission to use, copy, modify, distribute, and sell this software - * and its documentation for any purpose is hereby granted without - * fee, provided that the above copyright notice appear in all copies - * and that both that copyright notice and this permission notice - * appear in supporting documentation, and that the name of - * Red Hat, Inc. not be used in advertising or publicity pertaining to - * distribution of the software without specific, written prior - * permission. Red Hat, Inc. makes no representations about the - * suitability of this software for any purpose. It is provided "as - * is" without express or implied warranty. - * - * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS - * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, - * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER - * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR - * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - * - * Author: Owen Taylor <otaylor@redhat.com> - */ - -#include "cairo_test.h" -#include "stdio.h" - -/* The test matrix is - * - * A) Horizontal B) 5° C) 45° D) Vertical - * 1) Rotated 0° 2) Rotated 45° C) Rotated 90° - * a) 2 stop b) 3 stop - * - * A1a B1a C1a D1a - * A2a B2a C2a D2a - * A3a B3a C3a D3a - * A1b B1b C1b D1b - * A2b B2b C2b D2b - * A3b B3b C3b D3b - */ - -static const double gradient_angles[] = { 0, 45, 90 }; -#define N_GRADIENT_ANGLES 3 -static const double rotate_angles[] = { 0, 45, 90 }; -#define N_ROTATE_ANGLES 3 -static const int n_stops[] = { 2, 3 }; -#define N_N_STOPS 2 - -#define UNIT_SIZE 75 -#define UNIT_SIZE 75 -#define PAD 5 - -#define WIDTH N_GRADIENT_ANGLES * UNIT_SIZE + (N_GRADIENT_ANGLES + 1) * PAD -#define HEIGHT N_N_STOPS * N_ROTATE_ANGLES * UNIT_SIZE + (N_N_STOPS * N_ROTATE_ANGLES + 1) * PAD - -cairo_test_t test = { - "linear_gradient", - "Tests the drawing of linear gradients", - WIDTH, HEIGHT -}; - -static void -draw_unit (cairo_t *cr, - double gradient_angle, - double rotate_angle, - int n_stops) -{ - cairo_pattern_t *pattern; - - cairo_rectangle (cr, 0, 0, 1, 1); - cairo_clip (cr); - cairo_new_path(cr); - - cairo_set_rgb_color (cr, 0.0, 0.0, 0.0); - cairo_rectangle (cr, 0, 0, 1, 1); - cairo_fill (cr); - - cairo_translate (cr, 0.5, 0.5); - cairo_scale (cr, 1 / 1.5, 1 / 1.5); - cairo_rotate (cr, rotate_angle); - - pattern = cairo_pattern_create_linear (-0.5 * cos (gradient_angle), -0.5 * sin (gradient_angle), - 0.5 * cos (gradient_angle), 0.5 * sin (gradient_angle)); - - if (n_stops == 2) { - cairo_pattern_add_color_stop (pattern, 0., - 0.3, 0.3, 0.3, - 1.0); - cairo_pattern_add_color_stop (pattern, 1., - 1.0, 1.0, 1.0, - 1.0); - } else { - cairo_pattern_add_color_stop (pattern, 0., - 1.0, 0.0, 0.0, - 1.0); - cairo_pattern_add_color_stop (pattern, 0.5, - 1.0, 1.0, 1.0, - 1.0); - cairo_pattern_add_color_stop (pattern, 1., - 0.0, 0.0, 1.0, - 1.0); - } - - cairo_set_pattern (cr, pattern); - cairo_pattern_destroy (pattern); - cairo_rectangle (cr, -0.5, -0.5, 1, 1); - cairo_fill (cr); -} - -static void -draw (cairo_t *cr, int width, int height) -{ - int i, j, k; - - cairo_set_rgb_color (cr, 0.5, 0.5, 0.5); - cairo_rectangle (cr, 0, 0, width, height); - cairo_fill (cr); - - for (i = 0; i < N_GRADIENT_ANGLES; i++) - for (j = 0; j < N_ROTATE_ANGLES; j++) - for (k = 0; k < N_N_STOPS; k++) { - cairo_save (cr); - cairo_translate (cr, - PAD + (PAD + UNIT_SIZE) * i, - PAD + (PAD + UNIT_SIZE) * (N_ROTATE_ANGLES * k + j)); - cairo_scale (cr, UNIT_SIZE, UNIT_SIZE); - - draw_unit (cr, - gradient_angles[i] * M_PI / 180., - rotate_angles[j] * M_PI / 180., - n_stops[k]); - cairo_restore (cr); - } -} - -int -main (void) -{ - return cairo_test (&test, draw); -} |