Grcov report - clip-complex-shape.c

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/*

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 * Copyright 2011 SCore Corporation

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 * Permission is hereby granted, free of charge, to any person

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 * obtaining a copy of this software and associated documentation

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 * files (the "Software"), to deal in the Software without

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 * restriction, including without limitation the rights to use, copy,

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 * modify, merge, publish, distribute, sublicense, and/or sell copies

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 * of the Software, and to permit persons to whom the Software is

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 * furnished to do so, subject to the following conditions:

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 * The above copyright notice and this permission notice shall be

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 * included in all copies or substantial portions of the Software.

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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

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 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

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 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

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 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS

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 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN

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 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

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 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

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 * SOFTWARE.

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 * Author: Taekyun Kim <podain77@gmail.com>

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*/

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#include "cairo-test.h"

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static void

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rounded_rectangle(cairo_t *cr,

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		  double x, double y,

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		  double width, double height,

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		  double radius)

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    cairo_move_to   (cr, x, y + radius);

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    cairo_line_to   (cr, x, y + height - radius);

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    cairo_curve_to  (cr, x, y + height - radius/2.0,

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			  x + radius/2.0, y + height,

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			  x + radius, y + height);

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    cairo_line_to   (cr, x + width - radius, y + height);

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    cairo_curve_to  (cr, x + width - radius/2.0, y + height,

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		          x + width, y + height - radius/2.0,

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			  x + width, y + height - radius);

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    cairo_line_to   (cr, x + width, y + radius);

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    cairo_curve_to  (cr, x + width, y + radius/2.0,

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		          x + width - radius/2.0, y,

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			  x + width - radius, y);

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    cairo_line_to   (cr, x + radius, y);

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    cairo_curve_to  (cr, x + radius/2.0, y, x, y + radius/2.0, x, y + radius);

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    cairo_close_path(cr);

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static void

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background (cairo_t *cr)

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    cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);

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    cairo_set_source_rgba(cr, 1.0, 1.0, 1.0, 1.0);

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    cairo_paint(cr);

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static void

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foreground (cairo_t *cr)

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    cairo_set_source_rgba(cr, 1.0, 0.0, 0.0, 1.0);

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    cairo_set_operator(cr, CAIRO_OPERATOR_OVER);

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    cairo_rectangle(cr, 20, 20, 60, 60);

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    cairo_fill(cr);

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static cairo_test_status_t

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clip_eo_mono (cairo_t *cr, int width, int height)

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    background (cr);

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    cairo_set_antialias(cr, CAIRO_ANTIALIAS_NONE);

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    cairo_set_fill_rule(cr, CAIRO_FILL_RULE_EVEN_ODD);

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    rounded_rectangle(cr, 0, 0, 40, 100, 10);

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    rounded_rectangle(cr, 60, 0, 40, 100, 10);

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    cairo_clip(cr);

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    foreground (cr);

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    return CAIRO_TEST_SUCCESS;

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static cairo_test_status_t

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3

clip_eo_aa (cairo_t *cr, int width, int height)

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    background (cr);

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    cairo_set_antialias(cr, CAIRO_ANTIALIAS_DEFAULT);

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    cairo_set_fill_rule(cr, CAIRO_FILL_RULE_EVEN_ODD);

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    rounded_rectangle(cr, 0, 0, 40, 100, 10);

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    rounded_rectangle(cr, 60, 0, 40, 100, 10);

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    cairo_clip(cr);

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    foreground (cr);

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    return CAIRO_TEST_SUCCESS;

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CAIRO_TEST (clip_complex_shape_eo_mono,

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	    "Test clipping against a complex shape",

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	    "clip", /* keywords */

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	    NULL, /* requirements */

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	    100, 100,

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	    NULL, clip_eo_mono)

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CAIRO_TEST (clip_complex_shape_eo_aa,

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	    "Test clipping against a complex shape",

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	    "clip", /* keywords */

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	    NULL, /* requirements */

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	    100, 100,

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	    NULL, clip_eo_aa)