Grcov report - mesh-pattern-control-points.c

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/*

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 * Copyright © 2009 Adrian Johnson

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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: Adrian Johnson <ajohnson@redneon.com>

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*/

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#include "cairo-test.h"

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#define SIZE 90

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#define PAD 10

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#define WIDTH (PAD + 2 * (SIZE + PAD))

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#define HEIGHT (PAD + SIZE + PAD)

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/*

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 * This test is designed to paint a two mesh patches. One with default

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 * control points and one with a control point at a no default

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 * location.  The control points of both of them are drawn as squares

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 * to make them visible.

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*/

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static cairo_test_status_t

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3

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

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    cairo_pattern_t *pattern;

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    unsigned int i, j;

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    unsigned int num_patches;

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    double x, y;

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3

    cairo_set_source_rgb (cr, 1, 1, 1);

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3

    cairo_paint (cr);

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    cairo_translate (cr, PAD, PAD);

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3

    pattern = cairo_pattern_create_mesh ();

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3

    cairo_mesh_pattern_begin_patch (pattern);

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    cairo_mesh_pattern_move_to (pattern,    0,    0);

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3

    cairo_mesh_pattern_line_to (pattern, SIZE,    0);

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3

    cairo_mesh_pattern_line_to (pattern, SIZE, SIZE);

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3

    cairo_mesh_pattern_line_to (pattern,    0, SIZE);

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3

    cairo_mesh_pattern_set_corner_color_rgb (pattern, 0, 1, 0, 0);

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3

    cairo_mesh_pattern_set_corner_color_rgb (pattern, 1, 0, 1, 0);

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3

    cairo_mesh_pattern_set_corner_color_rgb (pattern, 2, 0, 0, 1);

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3

    cairo_mesh_pattern_set_corner_color_rgb (pattern, 3, 1, 1, 0);

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    cairo_mesh_pattern_set_control_point (pattern, 0, SIZE * .7, SIZE * .7);

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    cairo_mesh_pattern_set_control_point (pattern, 1, SIZE * .9, SIZE * .7);

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    cairo_mesh_pattern_set_control_point (pattern, 2, SIZE * .9, SIZE * .9);

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    cairo_mesh_pattern_set_control_point (pattern, 3, SIZE * .7, SIZE * .9);

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3

    cairo_mesh_pattern_end_patch (pattern);

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    cairo_mesh_pattern_begin_patch (pattern);

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    cairo_mesh_pattern_move_to (pattern,   SIZE + PAD,    0);

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    cairo_mesh_pattern_line_to (pattern, 2*SIZE + PAD,    0);

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    cairo_mesh_pattern_line_to (pattern, 2*SIZE + PAD, SIZE);

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    cairo_mesh_pattern_line_to (pattern,   SIZE + PAD, SIZE);

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3

    cairo_mesh_pattern_set_corner_color_rgb (pattern, 0, 1, 0, 0);

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    cairo_mesh_pattern_set_corner_color_rgb (pattern, 1, 0, 1, 0);

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    cairo_mesh_pattern_set_corner_color_rgb (pattern, 2, 0, 0, 1);

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    cairo_mesh_pattern_set_corner_color_rgb (pattern, 3, 1, 1, 0);

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    cairo_mesh_pattern_end_patch (pattern);

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    cairo_set_source (cr, pattern);

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    cairo_paint (cr);

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    /* mark the location of the control points */

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    cairo_set_source_rgb (cr, 0, 0, 0);

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    cairo_mesh_pattern_get_patch_count (pattern, &num_patches);

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    for (i = 0; i < num_patches; i++) {

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	for (j = 0; j < 4; j++) {

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	    cairo_mesh_pattern_get_control_point (pattern, i, j, &x, &y);

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	    cairo_rectangle (cr, x - 5, y - 5, 10, 10);

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	    cairo_fill (cr);

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    cairo_pattern_destroy (pattern);

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    return CAIRO_TEST_SUCCESS;

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CAIRO_TEST (mesh_pattern_control_points,

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	    "Paint mesh pattern with non default control points",

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	    "mesh, pattern", /* keywords */

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	    NULL, /* requirements */

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	    WIDTH, HEIGHT,

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	    NULL, draw)