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/*
* Copyright © 2008 Red Hat, Inc.
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Author: Carl D. Worth <cworth@cworth.org>
*/
#include "cairo-test.h"
#define POINTS 10
#define STEP (1.0 / POINTS)
#define PAD 1
#define WIDTH (PAD + POINTS * 2 + PAD)
#define HEIGHT (WIDTH)
static cairo_test_status_t
paint (cairo_t *cr, int width, int height)
{
int i, j;
/* Fill background white */
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_paint (cr);
/* Draw in black */
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_translate (cr, PAD, PAD);
cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE);
for (i = 0; i < POINTS; i++)
for (j = 0; j < POINTS; j++) {
cairo_save (cr);
cairo_rectangle (cr, 2 * i + i * STEP, 2 * j + j * STEP, 1, 1);
cairo_clip (cr);
cairo_paint (cr);
cairo_restore (cr);
}
return CAIRO_TEST_SUCCESS;
}
static cairo_test_status_t
fill_equal (cairo_t *cr, int width, int height)
{
int i, j;
/* Fill background white */
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_paint (cr);
/* Draw in black */
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_translate (cr, PAD, PAD);
cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE);
for (i = 0; i < POINTS; i++)
for (j = 0; j < POINTS; j++) {
cairo_save (cr);
cairo_rectangle (cr, 2 * i + i * STEP, 2 * j + j * STEP, 1, 1);
cairo_clip_preserve (cr);
cairo_fill (cr);
cairo_restore (cr);
}
return CAIRO_TEST_SUCCESS;
}
static cairo_test_status_t
fill (cairo_t *cr, int width, int height)
{
int i, j;
/* Fill background white */
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_paint (cr);
/* Draw in black */
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_translate (cr, PAD, PAD);
cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE);
for (i = 0; i < POINTS; i++)
for (j = 0; j < POINTS; j++) {
cairo_save (cr);
cairo_rectangle (cr, 2 * i + i * STEP, 2 * j + j * STEP, 1, 1);
cairo_clip (cr);
cairo_rectangle (cr, 2 * i, 2 * j, 2, 2);
cairo_fill (cr);
cairo_restore (cr);
}
return CAIRO_TEST_SUCCESS;
}
static cairo_test_status_t
stroke (cairo_t *cr, int width, int height)
{
int i, j;
/* Fill background white */
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_paint (cr);
/* Draw in black */
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_translate (cr, PAD, PAD);
cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE);
cairo_set_line_width (cr, 2);
cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT);
for (i = 0; i < POINTS; i++)
for (j = 0; j < POINTS; j++) {
cairo_save (cr);
cairo_rectangle (cr, 2 * i + i * STEP, 2 * j + j * STEP, 1, 1);
cairo_clip (cr);
cairo_move_to (cr, 2 * i, 2 * j + 1);
cairo_line_to (cr, 2 * i + 2, 2 * j + 1);
cairo_stroke (cr);
cairo_restore (cr);
}
return CAIRO_TEST_SUCCESS;
}
CAIRO_TEST (a1_clip_paint,
"Test sample position when drawing trapezoids with ANTIALIAS_NONE",
"alpha, clip", /* keywords */
"target=raster", /* requirements */
WIDTH, HEIGHT,
NULL, paint)
CAIRO_TEST (a1_clip_fill,
"Test sample position when drawing trapezoids with ANTIALIAS_NONE",
"alpha, clip", /* keywords */
"target=raster", /* requirements */
WIDTH, HEIGHT,
NULL, fill)
CAIRO_TEST (a1_clip_fill_equal,
"Test sample position when drawing trapezoids with ANTIALIAS_NONE",
"alpha, clip", /* keywords */
"target=raster", /* requirements */
WIDTH, HEIGHT,
NULL, fill_equal)
CAIRO_TEST (a1_clip_stroke,
"Test sample position when drawing trapezoids with ANTIALIAS_NONE",
"alpha, clip", /* keywords */
"target=raster", /* requirements */
WIDTH, HEIGHT,
NULL, stroke)