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/*
* Copyright 2008 Chris Wilson
*
* Permission to use, copy, modify, distribute, and sell this software
* and its documentation for any purpose is hereby granted without
* fee, provided that the above copyright notice appear in all copies
* and that both that copyright notice and this permission notice
* appear in supporting documentation, and that the name of
* Chris Wilson not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior
* permission. Chris Wilson makes no representations about the
* suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL,
* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
* IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Author: Chris Wilson <chris@chris-wilson.co.uk>
*/
#include "cairo-test.h"
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
int n;
for (n = 0; n < 256; n++) {
cairo_set_source_rgba (cr, 1, 1, 1, n / 255.);
cairo_rectangle (cr, 0, n, 2, 1);
cairo_fill (cr);
}
for (n = 0; n < 256; n++) {
cairo_set_source_rgb (cr, n / 255., n / 255., n / 255.);
cairo_rectangle (cr, 2, n, 2, 1);
cairo_fill (cr);
}
cairo_translate (cr, 4, 0);
for (n = 0; n < 256; n++) {
cairo_set_source_rgba (cr, 1, 0, 0, n / 255.);
cairo_rectangle (cr, 0, n, 2, 1);
cairo_fill (cr);
}
for (n = 0; n < 256; n++) {
cairo_set_source_rgb (cr, n / 255., 0, 0);
cairo_rectangle (cr, 2, n, 2, 1);
cairo_fill (cr);
}
cairo_translate (cr, 4, 0);
for (n = 0; n < 256; n++) {
cairo_set_source_rgba (cr, 0, 1, 0, n / 255.);
cairo_rectangle (cr, 0, n, 2, 1);
cairo_fill (cr);
}
for (n = 0; n < 256; n++) {
cairo_set_source_rgb (cr, 0, n / 255., 0);
cairo_rectangle (cr, 2, n, 2, 1);
cairo_fill (cr);
}
cairo_translate (cr, 4, 0);
for (n = 0; n < 256; n++) {
cairo_set_source_rgba (cr, 0, 0, 1, n / 255.);
cairo_rectangle (cr, 0, n, 2, 1);
cairo_fill (cr);
}
for (n = 0; n < 256; n++) {
cairo_set_source_rgb (cr, 0, 0, n / 255.);
cairo_rectangle (cr, 2, n, 2, 1);
cairo_fill (cr);
}
return CAIRO_TEST_SUCCESS;
}
CAIRO_TEST (pass_through,
"tests pixel values",
"color", /* keywords */
NULL, /* requirements */
16, 256,
NULL, draw)
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