test/svg-surface.c

   1 /*
   2  * Copyright © 2005 Red Hat, Inc.
   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  * Red Hat, Inc. not be used in advertising or publicity pertaining to
  10  * distribution of the software without specific, written prior
  11  * permission. Red Hat, Inc. 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  * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
  16  * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
  17  * FITNESS, IN NO EVENT SHALL RED HAT, INC. 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: Carl D. Worth <cworth@cworth.org>
  24  */
  25
  26 #include <stdio.h>
  27
  28 #include <cairo-svg.h>
  29 #include "cairo-test.h"
  30
  31 /* Pretty boring test just to make sure things aren't crashing ---
  32  * no verification that we're getting good results yet.
  33  * But you can manually view the image to make sure it looks happy.
  34  */
  35
  36 #define WIDTH_IN_INCHES  3
  37 #define HEIGHT_IN_INCHES 3
  38 #define WIDTH_IN_POINTS  (WIDTH_IN_INCHES  * 72)
  39 #define HEIGHT_IN_POINTS (HEIGHT_IN_INCHES * 72)
  40
  41 static cairo_test_status_t
  42 draw (cairo_t *cr, int width, int height)
  43 {
  44 #define STROKE_WIDTH .04
  45
  46     double size;
  47
  48     if (width > height)
  49         size = height;
  50     else
  51         size = width;
  52
  53     cairo_translate (cr, (width - size) / 2.0, (height - size) / 2.0);
  54     cairo_scale (cr, size, size);
  55
  56     /* Fill face */
  57     cairo_arc (cr, 0.5, 0.5, 0.5 - STROKE_WIDTH, 0, 2 * M_PI);
  58     cairo_set_source_rgb (cr, 1, 1, 0);
  59     cairo_save (cr);
  60     {
  61         cairo_fill (cr);
  62     }
  63     cairo_restore (cr);
  64
  65     cairo_set_source_rgb (cr, 0, 0, 0);
  66
  67     /* Stroke face */
  68     cairo_set_line_width (cr, STROKE_WIDTH / 2.0);
  69     cairo_stroke (cr);
  70
  71     /* Eyes */
  72     cairo_set_line_width (cr, STROKE_WIDTH);
  73     cairo_arc (cr, 0.3, 0.4, STROKE_WIDTH, 0, 2 * M_PI);
  74     cairo_fill (cr);
  75     cairo_arc (cr, 0.7, 0.4, STROKE_WIDTH, 0, 2 * M_PI);
  76     cairo_fill (cr);
  77
  78     /* Mouth */
  79     cairo_move_to (cr, 0.3, 0.7);
  80     cairo_curve_to (cr,
  81                     0.4, 0.8,
  82                     0.6, 0.8,
  83                     0.7, 0.7);
  84     cairo_stroke (cr);
  85
  86     return CAIRO_TEST_SUCCESS;
  87 }
  88
  89 int
  90 main (void)
  91 {
  92     cairo_t *cr;
  93     const char *filename = "svg-surface.svg";
  94     cairo_surface_t *surface;
  95
  96     cairo_test_init ("svg-surface");
  97
  98     surface = cairo_svg_surface_create (filename,
  99                                         WIDTH_IN_POINTS, HEIGHT_IN_POINTS);
 100     if (surface == NULL) {
 101         fprintf (stderr, "Failed to create svg surface for file %s\n", filename);
 102         return CAIRO_TEST_FAILURE;
 103     }
 104
 105     cr = cairo_create (surface);
 106
 107     draw (cr, WIDTH_IN_POINTS, HEIGHT_IN_POINTS);
 108
 109     cairo_show_page (cr);
 110
 111     cairo_destroy (cr);
 112     cairo_surface_destroy (surface);
 113
 114     printf ("svg-surface: Please check svg-surface.svg to make sure it looks happy.\n");
 115
 116     cairo_test_fini ();
 117
 118     return 0;
 119 }