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>
28 #include "cairo-test.h"
36 draw_mask (cairo_t *cr, int x, int y)
38 cairo_surface_t *mask_surface;
41 double width = (int)(0.9 * WIDTH);
42 double height = (int)(0.9 * HEIGHT);
46 mask_surface = cairo_surface_create_similar (cairo_get_group_target (cr),
49 cr2 = cairo_create (mask_surface);
50 cairo_surface_destroy (mask_surface);
53 cairo_set_source_rgba (cr2, 0, 0, 0, 0); /* transparent */
54 cairo_set_operator (cr2, CAIRO_OPERATOR_SOURCE);
58 cairo_set_source_rgb (cr2, 1, 1, 1); /* white */
60 cairo_arc (cr2, 0.5 * width, 0.5 * height, 0.45 * height, 0, 2 * M_PI);
63 cairo_mask_surface (cr, cairo_get_target (cr2), x, y);
68 draw_glyphs (cairo_t *cr, int x, int y)
70 cairo_text_extents_t extents;
72 cairo_set_font_size (cr, 0.8 * HEIGHT);
74 cairo_text_extents (cr, "FG", &extents);
76 x + floor ((WIDTH - extents.width) / 2 + 0.5) - extents.x_bearing,
77 y + floor ((HEIGHT - extents.height) / 2 + 0.5) - extents.y_bearing);
78 cairo_show_text (cr, "FG");
82 draw_polygon (cairo_t *cr, int x, int y)
84 double width = (int)(0.9 * WIDTH);
85 double height = (int)(0.9 * HEIGHT);
90 cairo_move_to (cr, x, y);
91 cairo_line_to (cr, x, y + height);
92 cairo_line_to (cr, x + width / 2, y + 3 * height / 4);
93 cairo_line_to (cr, x + width, y + height);
94 cairo_line_to (cr, x + width, y);
95 cairo_line_to (cr, x + width / 2, y + height / 4);
96 cairo_close_path (cr);
101 draw_rects (cairo_t *cr, int x, int y)
103 double block_width = (int)(0.33 * WIDTH + 0.5);
104 double block_height = (int)(0.33 * HEIGHT + 0.5);
107 for (i = 0; i < 3; i++)
108 for (j = 0; j < 3; j++)
109 if ((i + j) % 2 == 0)
111 x + block_width * i, y + block_height * j,
112 block_width, block_height);
117 static void (*const draw_funcs[])(cairo_t *cr, int x, int y) = {
124 static cairo_operator_t operators[] = {
125 CAIRO_OPERATOR_IN, CAIRO_OPERATOR_OUT,
126 CAIRO_OPERATOR_DEST_IN, CAIRO_OPERATOR_DEST_ATOP
129 #define IMAGE_WIDTH (ARRAY_LENGTH (operators) * (WIDTH + PAD) + PAD)
130 #define IMAGE_HEIGHT (ARRAY_LENGTH (draw_funcs) * (HEIGHT + PAD) + PAD)
132 static cairo_test_status_t
133 draw (cairo_t *cr, int width, int height)
135 const cairo_test_context_t *ctx = cairo_test_get_context (cr);
137 cairo_pattern_t *pattern;
139 cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans",
140 CAIRO_FONT_SLANT_NORMAL,
141 CAIRO_FONT_WEIGHT_NORMAL);
143 for (j = 0; j < ARRAY_LENGTH (draw_funcs); j++) {
144 for (i = 0; i < ARRAY_LENGTH (operators); i++) {
145 x = i * (WIDTH + PAD) + PAD;
146 y = j * (HEIGHT + PAD) + PAD;
150 pattern = cairo_pattern_create_linear (x + WIDTH, y,
152 cairo_pattern_add_color_stop_rgba (pattern, 0.2,
153 0.0, 0.0, 1.0, 1.0); /* Solid blue */
154 cairo_pattern_add_color_stop_rgba (pattern, 0.8,
155 0.0, 0.0, 1.0, 0.0); /* Transparent blue */
156 cairo_set_source (cr, pattern);
157 cairo_pattern_destroy (pattern);
159 cairo_rectangle (cr, x, y, WIDTH, HEIGHT);
160 cairo_fill_preserve (cr);
163 cairo_set_operator (cr, operators[i]);
164 cairo_set_source_rgb (cr, 1.0, 0.0, 0.0);
166 draw_funcs[j] (cr, x, y);
167 if (cairo_status (cr))
168 cairo_test_log (ctx, "%d %d HERE!\n", (int)i, (int)j);
174 if (cairo_status (cr) != CAIRO_STATUS_SUCCESS)
175 cairo_test_log (ctx, "%d %d .HERE!\n", (int)i, (int)j);
177 return CAIRO_TEST_SUCCESS;
180 CAIRO_TEST (unbounded_operator,
181 "Operators with an effect for transparent source/mask",
182 "operator", /* keywords */
183 NULL, /* requirements */
184 IMAGE_WIDTH, IMAGE_HEIGHT,