1 
/*
2 
 * Copyright © 2024 worldiety GmbH
3 
 *
4 
 * Permission to use, copy, modify, distribute, and sell this software
5 
 * and its documentation for any purpose is hereby granted without
6 
 * fee, provided that the above copyright notice appear in all copies
7 
 * and that both that copyright notice and this permission notice
8 
 * appear in supporting documentation, and that the name of
9 
 * worldiety not be used in advertising or publicity pertaining to
10 
 * distribution of the software without specific, written prior
11 
 * permission. worldiety makes no representations about the
12 
 * suitability of this software for any purpose.  It is provided "as
13 
 * is" without express or implied warranty.
14 
 *
15 
 * WORLDIETY DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
16 
 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
17 
 * FITNESS, IN NO EVENT SHALL WORLDIETY BE LIABLE FOR ANY SPECIAL,
18 
 * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
19 
 * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
20 
 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
21 
 * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
22 
 *
23 
 * Author: Heiko Lewin <hlewin@worldiety.de>
24 
 */
25 
#include "cairo-test.h"
26 

            

        

            

                27
            

            

                
            

            

                
#define WIDTH  128

            

        

            

                28
            

            

                
            

            

                
#define HEIGHT 64

            

        

            

                29
            

            

                
            

            

                

            

        

            

                30
            

            

                
            

            

                

            

        

            

                31
            

            

                
            

            

                
static cairo_test_status_t

            

        

            

                32
            

            

                3
            

            

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

            

        

            

                33
            

            

                3
            

            

                
    cairo_glyph_t *glyphs = NULL;

            

        

            

                34
            

            

                3
            

            

                
    int num_glyphs = 0;

            

        

            

                35
            

            

                3
            

            

                
    cairo_path_t *path = NULL, *path2 = NULL;

            

        

            

                36
            

            

                
            

            

                
    (void)width;

            

        

            

                37
            

            

                
            

            

                
    (void)height;

            

        

            

                38
            

            

                
            

            

                

            

        

            

                39
            

            

                
            

            

                
    /* black on white color */

            

        

            

                40
            

            

                3
            

            

                
    cairo_set_source_rgb(cr, 1., 1., 1.);

            

        

            

                41
            

            

                3
            

            

                
    cairo_paint(cr);

            

        

            

                42
            

            

                3
            

            

                
    cairo_set_source_rgb(cr, 0, 0, 0);

            

        

            

                43
            

            

                
            

            

                

            

        

            

                44
            

            

                
            

            

                

            

        

            

                45
            

            

                
            

            

                
    /* translate to some point well outside the surface */

            

        

            

                46
            

            

                3
            

            

                
    cairo_translate(cr, -width * 100, 0);

            

        

            

                47
            

            

                
            

            

                

            

        

            

                48
            

            

                
            

            

                
    /* create a simple path to illustrate the correct behaviour */

            

        

            

                49
            

            

                3
            

            

                
    cairo_rectangle(cr, 0, 0, width/2.0, 2);

            

        

            

                50
            

            

                3
            

            

                
    path = cairo_copy_path(cr);

            

        

            

                51
            

            

                3
            

            

                
    cairo_new_path(cr);

            

        

            

                52
            

            

                
            

            

                

            

        

            

                53
            

            

                
            

            

                
    /* create another path from glyphs - this is broken when clipping to early */

            

        

            

                54
            

            

                
            

            

                
    {

            

        

            

                55
            

            

                3
            

            

                
        cairo_set_font_size(cr, 32);

            

        

            

                56
            

            

                3
            

            

                
        cairo_scaled_font_t *sf = cairo_get_scaled_font(cr);

            

        

            

                57
            

            

                3
            

            

                
        cairo_scaled_font_text_to_glyphs(sf, 0, 0, "Test", 4, &glyphs, &num_glyphs, 0, 0, 0);

            

        

            

                58
            

            

                3
            

            

                
        cairo_glyph_path(cr, glyphs, num_glyphs);

            

        

            

                59
            

            

                3
            

            

                
        path2 = cairo_copy_path(cr);

            

        

            

                60
            

            

                
            

            

                
    }

            

        

            

                61
            

            

                
            

            

                

            

        

            

                62
            

            

                
            

            

                
    /* translate to a visible point and draw both paths */

            

        

            

                63
            

            

                3
            

            

                
    cairo_identity_matrix(cr);

            

        

            

                64
            

            

                3
            

            

                
    cairo_translate(cr, width/4.0, 48);

            

        

            

                65
            

            

                
            

            

                

            

        

            

                66
            

            

                3
            

            

                
    cairo_append_path(cr, path);

            

        

            

                67
            

            

                3
            

            

                
    cairo_append_path(cr, path2);

            

        

            

                68
            

            

                3
            

            

                
    cairo_fill(cr);

            

        

            

                69
            

            

                
            

            

                

            

        

            

                70
            

            

                3
            

            

                
    cairo_path_destroy(path);

            

        

            

                71
            

            

                3
            

            

                
    cairo_path_destroy(path2);

            

        

            

                72
            

            

                3
            

            

                
    free(glyphs);

            

        

            

                73
            

            

                
            

            

                

            

        

            

                74
            

            

                3
            

            

                
    return CAIRO_TEST_SUCCESS;

            

        

            

                75
            

            

                
            

            

                
}

            

        

            

                76
            

            

                
            

            

                

            

        

            

                77
            

            

                1
            

            

                
CAIRO_TEST (glyph_path,

            

        

            

                78
            

            

                
            

            

                
            "Tests cairo_glyph_path",

            

        

            

                79
            

            

                
            

            

                
            "text, glyph, path", /* keywords */

            

        

            

                80
            

            

                
            

            

                
            "target=raster", /* should be enough */

            

        

            

                81
            

            

                
            

            

                
            WIDTH, HEIGHT,

            

        

            

                82
            

            

                
            

            

                
            NULL, draw)