2 * Copyright © 2005 Red Hat, Inc.
4 * Permission to use, copy, modify, distribute, and sell this software
5 * and its documentation for any purpose is hereby granted without
6 * fee, provided that the above copyright notice appear in all copies
7 * and that both that copyright notice and this permission notice
8 * appear in supporting documentation, and that the name of
9 * Red Hat, Inc. not be used in advertising or publicity pertaining to
10 * distribution of the software without specific, written prior
11 * permission. Red Hat, Inc. makes no representations about the
12 * suitability of this software for any purpose. It is provided "as
13 * is" without express or implied warranty.
15 * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
16 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
17 * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL,
18 * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
19 * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
20 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
21 * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
23 * Authors: Kristian Høgsberg <krh@redhat.com>
24 * Owen Taylor <otaylor@redhat.com>
25 * Uli Schlachter <psychon@znc.in>
28 #include "cairo-test.h"
37 set_solid_pattern (cairo_t *cr, int x, int y)
39 cairo_set_source_rgb (cr, 1.0, 0, 0.0);
43 set_translucent_pattern (cairo_t *cr, int x, int y)
45 cairo_set_source_rgba (cr, 1, 0, 0, 0.5);
49 set_gradient_pattern (cairo_t *cr, int x, int y)
51 cairo_pattern_t *pattern;
53 pattern = cairo_pattern_create_linear (x, y, x + WIDTH, y + HEIGHT);
54 cairo_pattern_add_color_stop_rgba (pattern, 0.2, 1, 0, 0, 1);
55 cairo_pattern_add_color_stop_rgba (pattern, 0.8, 1, 0, 0, 0.0);
56 cairo_set_source (cr, pattern);
57 cairo_pattern_destroy (pattern);
61 set_surface_pattern (cairo_t *cr, int x, int y)
63 cairo_surface_t *source_surface;
66 double width = (int)(0.6 * WIDTH);
67 double height = (int)(0.6 * HEIGHT);
71 source_surface = cairo_surface_create_similar (cairo_get_group_target (cr),
72 CAIRO_CONTENT_COLOR_ALPHA,
74 cr2 = cairo_create (source_surface);
75 cairo_surface_destroy (source_surface);
77 cairo_set_source_rgb (cr2, 1, 0, 0); /* red */
80 cairo_set_source_rgb (cr2, 1, 1, 1); /* white */
82 cairo_arc (cr2, 0.5 * width, 0.5 * height, 0.5 * height, 0, 2 * M_PI);
85 cairo_set_source_surface (cr, cairo_get_target (cr2), x, y);
90 draw_mask (cairo_t *cr, int x, int y)
92 cairo_surface_t *mask_surface;
95 double width = (int)(0.9 * WIDTH);
96 double height = (int)(0.9 * HEIGHT);
100 mask_surface = cairo_surface_create_similar (cairo_get_group_target (cr),
103 cr2 = cairo_create (mask_surface);
104 cairo_surface_destroy (mask_surface);
106 cairo_set_source_rgb (cr2, 1, 1, 1); /* white */
108 cairo_arc (cr2, 0.5 * width, 0.5 * height, 0.45 * height, 0, 2 * M_PI);
111 cairo_mask_surface (cr, cairo_get_target (cr2), x, y);
116 draw_glyphs (cairo_t *cr, int x, int y)
118 cairo_text_extents_t extents;
120 cairo_set_font_size (cr, 0.8 * HEIGHT);
122 cairo_text_extents (cr, "FG", &extents);
124 x + floor ((WIDTH - extents.width) / 2 + 0.5) - extents.x_bearing,
125 y + floor ((HEIGHT - extents.height) / 2 + 0.5) - extents.y_bearing);
126 cairo_show_text (cr, "FG");
130 draw_polygon (cairo_t *cr, int x, int y)
132 double width = (int)(0.9 * WIDTH);
133 double height = (int)(0.9 * HEIGHT);
138 cairo_move_to (cr, x, y);
139 cairo_line_to (cr, x, y + height);
140 cairo_line_to (cr, x + width / 2, y + 3 * height / 4);
141 cairo_line_to (cr, x + width, y + height);
142 cairo_line_to (cr, x + width, y);
143 cairo_line_to (cr, x + width / 2, y + height / 4);
144 cairo_close_path (cr);
149 draw_rects (cairo_t *cr, int x, int y, double offset)
151 double block_width = (int)(0.33 * WIDTH + 0.5) - offset/3;
152 double block_height = (int)(0.33 * HEIGHT + 0.5) - offset/3;
158 for (i = 0; i < 3; i++)
159 for (j = 0; j < 3; j++)
160 if ((i + j) % 2 == 0)
162 x + block_width * i, y + block_height * j,
163 block_width, block_height);
169 draw_aligned_rects (cairo_t *cr, int x, int y)
171 draw_rects (cr, x, y, 0);
175 draw_unaligned_rects (cairo_t *cr, int x, int y)
177 draw_rects (cr, x, y, 2.1);
180 static void (* const pattern_funcs[])(cairo_t *cr, int x, int y) = {
182 set_translucent_pattern,
183 set_gradient_pattern,
187 static void (* const draw_funcs[])(cairo_t *cr, int x, int y) = {
195 #define IMAGE_WIDTH (ARRAY_LENGTH (pattern_funcs) * (WIDTH + PAD) + PAD)
196 #define IMAGE_HEIGHT (ARRAY_LENGTH (draw_funcs) * (HEIGHT + PAD) + PAD)
198 static cairo_test_status_t
199 draw (cairo_t *cr, int width, int height)
201 const cairo_test_context_t *ctx = cairo_test_get_context (cr);
203 cairo_pattern_t *pattern;
205 cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans",
206 CAIRO_FONT_SLANT_NORMAL,
207 CAIRO_FONT_WEIGHT_NORMAL);
209 for (j = 0; j < ARRAY_LENGTH (draw_funcs); j++) {
210 for (i = 0; i < ARRAY_LENGTH (pattern_funcs); i++) {
211 x = i * (WIDTH + PAD) + PAD;
212 y = j * (HEIGHT + PAD) + PAD;
216 pattern = cairo_pattern_create_linear (x + WIDTH, y,
218 cairo_pattern_add_color_stop_rgba (pattern, 0.2,
219 0.0, 0.0, 1.0, 1.0); /* Solid blue */
220 cairo_pattern_add_color_stop_rgba (pattern, 0.8,
221 0.0, 0.0, 1.0, 0.0); /* Transparent blue */
222 cairo_set_source (cr, pattern);
223 cairo_pattern_destroy (pattern);
225 cairo_rectangle (cr, x, y, WIDTH, HEIGHT);
226 cairo_fill_preserve (cr);
229 cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
230 pattern_funcs[i] (cr, x, y);
231 draw_funcs[j] (cr, x, y);
232 if (cairo_status (cr))
233 cairo_test_log (ctx, "%d %d HERE!\n", (int)i, (int)j);
239 if (cairo_status (cr) != CAIRO_STATUS_SUCCESS)
240 cairo_test_log (ctx, "%d %d .HERE!\n", (int)i, (int)j);
242 return CAIRO_TEST_SUCCESS;
245 CAIRO_TEST (operator_source,
246 "Test of CAIRO_OPERATOR_SOURCE",
247 "operator", /* keywords */
248 NULL, /* requirements */
249 IMAGE_WIDTH, IMAGE_HEIGHT,