cairo/test/new-sub-path.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 "cairo-test.h"
  27
  28 #define SIZE 10
  29
  30 static cairo_test_draw_function_t draw;
  31
  32 static const cairo_test_t test = {
  33     "new-sub-path",
  34     "Test the cairo_new_sub_path call",
  35     8 * SIZE,
  36     3 * SIZE,
  37     draw
  38 };
  39
  40 static cairo_test_status_t
  41 draw (cairo_t *cr, int width, int height)
  42 {
  43     cairo_set_source_rgb (cr, 0.0, 0.0, 1.0); /* blue */
  44
  45     /* Test cairo_new_sub_path followed by several different
  46      * path-modification functions in turn...
  47      */
  48
  49     /* ... cairo_move_to */
  50     cairo_new_sub_path (cr);
  51     cairo_move_to (cr, SIZE, SIZE);
  52     cairo_line_to (cr, SIZE, 2 * SIZE);
  53
  54     /* ... cairo_line_to */
  55     cairo_new_sub_path (cr);
  56     cairo_line_to (cr, 2 * SIZE, 1.5 * SIZE);
  57     cairo_line_to (cr, 3 * SIZE, 1.5 * SIZE);
  58
  59     /* ... cairo_curve_to */
  60     cairo_new_sub_path (cr);
  61     cairo_curve_to (cr,
  62                     4.0 * SIZE, 1.5 * SIZE,
  63                     4.5 * SIZE, 1.0 * SIZE,
  64                     5.0 * SIZE, 1.5 * SIZE);
  65
  66     /* ... cairo_arc */
  67     cairo_new_sub_path (cr);
  68     cairo_arc (cr,
  69                6.5 * SIZE, 1.5 * SIZE,
  70                0.5 * SIZE,
  71                0.0, 2.0 * M_PI);
  72
  73     cairo_stroke (cr);
  74
  75     return CAIRO_TEST_SUCCESS;
  76 }
  77
  78 int
  79 main (void)
  80 {
  81     return cairo_test (&test);
  82 }