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0ce4face45
Some tests hand-code ARRAY_LENGTH(). It is now provided by cairo-test.h, so it can be reused.
90 lines
2.6 KiB
C
90 lines
2.6 KiB
C
/*
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* Copyright © 2008 Red Hat, Inc.
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*
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* Permission to use, copy, modify, distribute, and sell this software
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* and its documentation for any purpose is hereby granted without
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* fee, provided that the above copyright notice appear in all copies
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* and that both that copyright notice and this permission notice
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* appear in supporting documentation, and that the name of
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* Red Hat, Inc. not be used in advertising or publicity pertaining to
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* distribution of the software without specific, written prior
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* permission. Red Hat, Inc. makes no representations about the
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* suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL,
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* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
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* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
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* IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* Author: Soren Sandmann <sandmann@redhat.com>
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*/
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#include "cairo-test.h"
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#define WIDTH 300
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#define HEIGHT 300
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typedef struct {
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double x, y;
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} point_t;
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static void
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paint_curve (cairo_t *cr)
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{
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const point_t points[] = {
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{ 100, 320 }, { 110, -80 },
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{ 180, 60 }, { 300, 170 },
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{ 300, -40 }
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};
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unsigned i;
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cairo_set_line_width (cr, 2);
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cairo_move_to (cr, points[0].x, points[0].y);
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for (i = 1; i < ARRAY_LENGTH (points) - 2; i += 3) {
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cairo_curve_to (cr,
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points[i].x, points[i].y,
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points[i + 1].x, points[i + 1].y,
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points[i + 2].x, points[i + 2].y);
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}
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cairo_set_line_width (cr, 5);
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cairo_stroke (cr);
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}
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static cairo_test_status_t
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draw (cairo_t *cr, int width, int height)
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{
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/* Fill window with light blue */
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cairo_set_source_rgba (cr, 0.8, 0.8, 1.9, 1.0);
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cairo_paint (cr);
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/* Paint curve in green */
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cairo_set_source_rgba (cr, 0.6, 0.8, 0.6, 1.0);
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paint_curve (cr);
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/* Make clip region */
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cairo_rectangle (cr, 228, 131, 50, 13);
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cairo_rectangle (cr, 20, 99, 200, 75);
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cairo_clip_preserve (cr);
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/* Fill clip region with red */
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cairo_set_source_rgba (cr, 1.0, 0.5, 0.5, 0.8);
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cairo_fill (cr);
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/* Paint curve again, this time in blue */
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cairo_set_source_rgba (cr, 0, 0, 1.0, 1.0);
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paint_curve (cr);
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return CAIRO_TEST_SUCCESS;
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}
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CAIRO_TEST (clip_disjoint,
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"Tests stroking through two disjoint clips.",
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"clip, stroke", /* keywords */
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NULL, /* requirements */
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WIDTH, HEIGHT,
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NULL, draw)
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