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Diffstat (limited to 'test/fill-and-stroke-alpha-add.c')
-rw-r--r-- | test/fill-and-stroke-alpha-add.c | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/test/fill-and-stroke-alpha-add.c b/test/fill-and-stroke-alpha-add.c deleted file mode 100644 index 55cd4c6a2..000000000 --- a/test/fill-and-stroke-alpha-add.c +++ /dev/null @@ -1,107 +0,0 @@ -/* - * Copyright © 2005 Red Hat, Inc. - * Copyright © 2006 Red Hat, Inc. - * - * Permission to use, copy, modify, distribute, and sell this software - * and its documentation for any purpose is hereby granted without - * fee, provided that the above copyright notice appear in all copies - * and that both that copyright notice and this permission notice - * appear in supporting documentation, and that the name of - * Red Hat, Inc. not be used in advertising or publicity pertaining to - * distribution of the software without specific, written prior - * permission. Red Hat, Inc. makes no representations about the - * suitability of this software for any purpose. It is provided "as - * is" without express or implied warranty. - * - * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS - * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, - * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER - * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR - * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - * - * Author: Carl D. Worth <cworth@cworth.org> - */ - -#include "cairo-test.h" - -#define PAD 2 -#define SIZE 10 - -typedef void (*path_func_t) (cairo_t *cr); - -static void -rectangle (cairo_t *cr) -{ - cairo_rectangle (cr, PAD, PAD, SIZE, SIZE); -} - -static void -circle (cairo_t *cr) -{ - cairo_arc (cr, - PAD + SIZE / 2, PAD + SIZE / 2, - SIZE / 2, - 0, 2 * M_PI); -} - -/* Given a path-generating function and two possibly translucent - * patterns, fill and stroke the path with the patterns (to an - * offscreen group), then blend the result into the destination. - */ -static void -fill_and_stroke (cairo_t *cr, - path_func_t path_func, - cairo_pattern_t *fill_pattern, - cairo_pattern_t *stroke_pattern) -{ - cairo_push_group (cr); - { - (path_func) (cr); - cairo_set_source (cr, fill_pattern); - cairo_fill_preserve (cr); - - /* Use DEST_OUT to subtract stroke from fill. */ - cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); - cairo_set_operator (cr, CAIRO_OPERATOR_DEST_OUT); - cairo_stroke_preserve (cr); - - /* Then use ADD to draw the stroke without a seam. */ - cairo_set_source (cr, stroke_pattern); - cairo_set_operator (cr, CAIRO_OPERATOR_ADD); - cairo_stroke (cr); - } - cairo_pop_group_to_source (cr); - cairo_paint (cr); -} - -static cairo_test_status_t -draw (cairo_t *cr, int width, int height) -{ - cairo_pattern_t *blue; - cairo_pattern_t *red; - - blue = cairo_pattern_create_rgba (0.0, 0.0, 1.0, 0.8); - red = cairo_pattern_create_rgba (1.0, 0.0, 0.0, 0.2); - - cairo_test_paint_checkered (cr); - - fill_and_stroke (cr, rectangle, blue, red); - - cairo_translate (cr, SIZE + 2 * PAD, 0); - - fill_and_stroke (cr, circle, red, blue); - - cairo_pattern_destroy (blue); - cairo_pattern_destroy (red); - - return CAIRO_TEST_SUCCESS; -} - -CAIRO_TEST (fill_and_stroke_alpha_add, - "Use a group to fill/stroke a path (each with different alpha) using DEST_OUT and ADD to combine", - "fill-and-stroke, fill, stroke", /* keywords */ - NULL, /* requirements */ - 2 * SIZE + 4 * PAD, SIZE + 2 * PAD, - NULL, draw) |