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/*
* Copyright © 2005 Red Hat, Inc.
*
* 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
* Red Hat, Inc. not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior
* permission. Red Hat, Inc. makes no representations about the
* suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL RED HAT, INC. 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: Carl Worth <cworth@cworth.org>
*/
#include "cairo-test.h"
#define WIDTH 45
#define HEIGHT 30
cairo_test_t test = {
"transforms",
"Test various transformations.",
WIDTH, HEIGHT
};
static void
draw_L_shape (cairo_t *cr)
{
cairo_move_to (cr, 0, 0);
cairo_rel_line_to (cr, 0, 10);
cairo_rel_line_to (cr, 5, 0);
cairo_save (cr);
cairo_identity_matrix (cr);
cairo_set_line_width (cr, 2.0);
cairo_stroke (cr);
cairo_restore (cr);
}
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
/* We draw in the default black, so paint white first. */
cairo_save (cr);
cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */
cairo_paint (cr);
cairo_restore (cr);
cairo_translate (cr, 5, 5);
draw_L_shape (cr);
cairo_translate (cr, 10, 0);
cairo_save (cr);
{
cairo_scale (cr, 2, 2);
draw_L_shape (cr);
}
cairo_restore (cr);
cairo_translate (cr, 15, 0);
cairo_save (cr);
{
cairo_rotate (cr, M_PI / 2.0);
draw_L_shape (cr);
}
cairo_restore (cr);
cairo_translate (cr, 5, 0);
cairo_save (cr);
{
cairo_matrix_t skew_y = {
1, -1,
0, 1,
0, 0
};
cairo_transform (cr, &skew_y);
draw_L_shape (cr);
}
cairo_restore (cr);
cairo_translate (cr, 5, 10);
cairo_save (cr);
{
cairo_matrix_t skew_x = {
1.0, 0.0,
-0.5, 1.0,
0.0, 0.0
};
cairo_transform (cr, &skew_x);
draw_L_shape (cr);
}
cairo_restore (cr);
return CAIRO_TEST_SUCCESS;
}
int
main (void)
{
return cairo_test (&test, draw);
}
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