2 * Copyright © 2008 Red Hat, Inc.
4 * Permission is hereby granted, free of charge, to any person
5 * obtaining a copy of this software and associated documentation
6 * files (the "Software"), to deal in the Software without
7 * restriction, including without limitation the rights to use, copy,
8 * modify, merge, publish, distribute, sublicense, and/or sell copies
9 * of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 * Author: Carl D. Worth <cworth@cworth.org>
27 #include "cairo-test.h"
30 #define STEP (1.0 / POINTS)
32 #define WIDTH (PAD + POINTS * 2 + PAD)
33 #define HEIGHT (WIDTH)
35 static cairo_test_status_t
36 paint (cairo_t *cr, int width, int height)
40 /* Fill background white */
41 cairo_set_source_rgb (cr, 1, 1, 1);
45 cairo_set_source_rgb (cr, 0, 0, 0);
47 cairo_translate (cr, PAD, PAD);
48 cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE);
50 for (i = 0; i < POINTS; i++)
51 for (j = 0; j < POINTS; j++) {
53 cairo_rectangle (cr, 2 * i + i * STEP, 2 * j + j * STEP, 1, 1);
59 return CAIRO_TEST_SUCCESS;
62 static cairo_test_status_t
63 fill_equal (cairo_t *cr, int width, int height)
67 /* Fill background white */
68 cairo_set_source_rgb (cr, 1, 1, 1);
72 cairo_set_source_rgb (cr, 0, 0, 0);
74 cairo_translate (cr, PAD, PAD);
75 cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE);
77 for (i = 0; i < POINTS; i++)
78 for (j = 0; j < POINTS; j++) {
80 cairo_rectangle (cr, 2 * i + i * STEP, 2 * j + j * STEP, 1, 1);
81 cairo_clip_preserve (cr);
86 return CAIRO_TEST_SUCCESS;
89 static cairo_test_status_t
90 fill (cairo_t *cr, int width, int height)
94 /* Fill background white */
95 cairo_set_source_rgb (cr, 1, 1, 1);
99 cairo_set_source_rgb (cr, 0, 0, 0);
101 cairo_translate (cr, PAD, PAD);
102 cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE);
104 for (i = 0; i < POINTS; i++)
105 for (j = 0; j < POINTS; j++) {
107 cairo_rectangle (cr, 2 * i + i * STEP, 2 * j + j * STEP, 1, 1);
109 cairo_rectangle (cr, 2 * i, 2 * j, 2, 2);
114 return CAIRO_TEST_SUCCESS;
117 static cairo_test_status_t
118 stroke (cairo_t *cr, int width, int height)
122 /* Fill background white */
123 cairo_set_source_rgb (cr, 1, 1, 1);
127 cairo_set_source_rgb (cr, 0, 0, 0);
129 cairo_translate (cr, PAD, PAD);
130 cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE);
132 cairo_set_line_width (cr, 2);
133 cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT);
135 for (i = 0; i < POINTS; i++)
136 for (j = 0; j < POINTS; j++) {
138 cairo_rectangle (cr, 2 * i + i * STEP, 2 * j + j * STEP, 1, 1);
140 cairo_move_to (cr, 2 * i, 2 * j + 1);
141 cairo_line_to (cr, 2 * i + 2, 2 * j + 1);
146 return CAIRO_TEST_SUCCESS;
149 CAIRO_TEST (a1_clip_paint,
150 "Test sample position when drawing trapezoids with ANTIALIAS_NONE",
151 "alpha, clip", /* keywords */
152 "target=raster", /* requirements */
156 CAIRO_TEST (a1_clip_fill,
157 "Test sample position when drawing trapezoids with ANTIALIAS_NONE",
158 "alpha, clip", /* keywords */
159 "target=raster", /* requirements */
163 CAIRO_TEST (a1_clip_fill_equal,
164 "Test sample position when drawing trapezoids with ANTIALIAS_NONE",
165 "alpha, clip", /* keywords */
166 "target=raster", /* requirements */
170 CAIRO_TEST (a1_clip_stroke,
171 "Test sample position when drawing trapezoids with ANTIALIAS_NONE",
172 "alpha, clip", /* keywords */
173 "target=raster", /* requirements */