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 * Author: Kristian Høgsberg <krh@redhat.com>
27 #include "cairo-test.h"
35 draw_mask (cairo_t *cr, int x, int y)
37 cairo_surface_t *mask_surface;
40 double width = (int)(0.9 * WIDTH);
41 double height = (int)(0.9 * HEIGHT);
45 mask_surface = cairo_surface_create_similar (cairo_get_group_target (cr),
48 cr2 = cairo_create (mask_surface);
49 cairo_surface_destroy (mask_surface);
52 cairo_set_source_rgba (cr2, 0, 0, 0, 0); /* transparent */
53 cairo_set_operator (cr2, CAIRO_OPERATOR_SOURCE);
57 cairo_set_source_rgb (cr2, 1, 1, 1); /* white */
59 cairo_arc (cr2, 0.5 * width, 0.5 * height, 0.45 * height, 0, 2 * M_PI);
62 cairo_mask_surface (cr, cairo_get_target (cr2), x, y);
67 draw_glyphs (cairo_t *cr, int x, int y)
69 cairo_text_extents_t extents;
71 cairo_set_font_size (cr, 0.8 * HEIGHT);
73 cairo_text_extents (cr, "FG", &extents);
75 x + floor ((WIDTH - extents.width) / 2 + 0.5) - extents.x_bearing,
76 y + floor ((HEIGHT - extents.height) / 2 + 0.5) - extents.y_bearing);
77 cairo_show_text (cr, "FG");
81 draw_polygon (cairo_t *cr, int x, int y)
83 double width = (int)(0.9 * WIDTH);
84 double height = (int)(0.9 * HEIGHT);
89 cairo_move_to (cr, x, y);
90 cairo_line_to (cr, x, y + height);
91 cairo_line_to (cr, x + width / 2, y + 3 * height / 4);
92 cairo_line_to (cr, x + width, y + height);
93 cairo_line_to (cr, x + width, y);
94 cairo_line_to (cr, x + width / 2, y + height / 4);
95 cairo_close_path (cr);
100 draw_rects (cairo_t *cr, int x, int y)
102 double block_width = (int)(0.33 * WIDTH + 0.5);
103 double block_height = (int)(0.33 * HEIGHT + 0.5);
106 for (i = 0; i < 3; i++)
107 for (j = 0; j < 3; j++)
108 if ((i + j) % 2 == 0)
110 x + block_width * i, y + block_height * j,
111 block_width, block_height);
116 static void (* const draw_funcs[])(cairo_t *cr, int x, int y) = {
123 #define N_OPERATORS (1 + CAIRO_OPERATOR_SATURATE - CAIRO_OPERATOR_CLEAR)
125 #define IMAGE_WIDTH (N_OPERATORS * (WIDTH + PAD) + PAD)
126 #define IMAGE_HEIGHT (ARRAY_LENGTH (draw_funcs) * (HEIGHT + PAD) + PAD)
128 static cairo_test_status_t
129 draw (cairo_t *cr, int width, int height)
131 const cairo_test_context_t *ctx = cairo_test_get_context (cr);
134 cairo_pattern_t *pattern;
136 cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans",
137 CAIRO_FONT_SLANT_NORMAL,
138 CAIRO_FONT_WEIGHT_NORMAL);
139 cairo_set_font_size (cr, 0.9 * HEIGHT);
141 for (j = 0; j < ARRAY_LENGTH (draw_funcs); j++) {
142 for (op = CAIRO_OPERATOR_CLEAR; op < N_OPERATORS; op++) {
143 x = op * (WIDTH + PAD) + PAD;
144 y = j * (HEIGHT + PAD) + PAD;
148 pattern = cairo_pattern_create_linear (x + WIDTH, y,
150 cairo_pattern_add_color_stop_rgba (pattern, 0.2,
151 0.0, 0.0, 1.0, 1.0); /* Solid blue */
152 cairo_pattern_add_color_stop_rgba (pattern, 0.8,
153 0.0, 0.0, 1.0, 0.0); /* Transparent blue */
154 cairo_set_source (cr, pattern);
155 cairo_pattern_destroy (pattern);
157 cairo_rectangle (cr, x, y, WIDTH, HEIGHT);
160 cairo_set_operator (cr, op);
161 cairo_set_source_rgb (cr, 1.0, 0.0, 0.0);
163 cairo_move_to (cr, x, y);
164 cairo_line_to (cr, x + WIDTH, y);
165 cairo_line_to (cr, x, y + HEIGHT);
168 draw_funcs[j] (cr, x, y);
169 if (cairo_status (cr))
170 cairo_test_log (ctx, "%d %d HERE!\n", op, (int)j);
176 if (cairo_status (cr) != CAIRO_STATUS_SUCCESS)
177 cairo_test_log (ctx, "%d %d .HERE!\n", op, (int)j);
179 return CAIRO_TEST_SUCCESS;
182 CAIRO_TEST (clip_operator,
183 "Surface clipping with different operators",
184 "clip", /* keywords */
185 NULL, /* requirements */
186 IMAGE_WIDTH, IMAGE_HEIGHT,