From e8bc25fdb21340b0a5a25f7193fd0bc5de540a50 Mon Sep 17 00:00:00 2001 From: Andrea Canciani Date: Fri, 14 May 2010 21:40:13 +0200 Subject: test: add linear-gradient-extend and radial-gradient-extend Check that constant gradient to solid color optimization are only applied if the extents permit it. --- test/Makefile.sources | 2 + test/linear-gradient-extend.c | 90 ++++++++++++++++++++++++++++++++++++ test/linear-gradient-extend.ref.png | Bin 0 -> 371 bytes test/radial-gradient-extend.c | 90 ++++++++++++++++++++++++++++++++++++ test/radial-gradient-extend.ref.png | Bin 0 -> 466 bytes 5 files changed, 182 insertions(+) create mode 100644 test/linear-gradient-extend.c create mode 100644 test/linear-gradient-extend.ref.png create mode 100644 test/radial-gradient-extend.c create mode 100644 test/radial-gradient-extend.ref.png (limited to 'test') diff --git a/test/Makefile.sources b/test/Makefile.sources index cf03fcc4..860ea1e0 100644 --- a/test/Makefile.sources +++ b/test/Makefile.sources @@ -137,6 +137,7 @@ test_sources = \ line-width-scale.c \ line-width-zero.c \ linear-gradient.c \ + linear-gradient-extend.c \ linear-gradient-reflect.c \ linear-gradient-subset.c \ linear-step-function.c \ @@ -180,6 +181,7 @@ test_sources = \ push-group.c \ push-group-color.c \ radial-gradient.c \ + radial-gradient-extend.c \ radial-gradient-source.c \ radial-gradient-mask.c \ radial-gradient-mask-source.c \ diff --git a/test/linear-gradient-extend.c b/test/linear-gradient-extend.c new file mode 100644 index 00000000..fd5026b4 --- /dev/null +++ b/test/linear-gradient-extend.c @@ -0,0 +1,90 @@ +/* + * Copyright 2010 Andrea Canciani + * + * 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 + * Andrea Canciani not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Andrea Canciani makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * ANDREA CANCIANI DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL ANDREA CANCIANI 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: Andrea Canciani + */ + +#include "cairo-test.h" + +#define NUM_EXTEND 4 +#define HEIGHT 16 +#define WIDTH 16 +#define PAD 3 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *pattern; + unsigned int i, j; + + cairo_extend_t extend[NUM_EXTEND] = { + CAIRO_EXTEND_NONE, + CAIRO_EXTEND_REPEAT, + CAIRO_EXTEND_REFLECT, + CAIRO_EXTEND_PAD + }; + + cairo_test_paint_checkered (cr); + + pattern = cairo_pattern_create_linear (0, 2*PAD, 0, HEIGHT - 2*PAD); + + cairo_pattern_add_color_stop_rgb (pattern, 0, 0, 0, 1); + cairo_pattern_add_color_stop_rgb (pattern, 1, 0, 0, 1); + + cairo_translate (cr, PAD, PAD); + + for (i = 0; i < 2; i++) { + cairo_save (cr); + + for (j = 0; j < NUM_EXTEND; j++) { + cairo_pattern_set_extend (pattern, extend[j]); + + cairo_reset_clip (cr); + cairo_rectangle (cr, 0, 0, WIDTH, HEIGHT); + cairo_clip (cr); + + if (i & 1) { + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_mask (cr, pattern); + } else { + cairo_set_source (cr, pattern); + cairo_paint (cr); + } + + cairo_translate (cr, WIDTH+PAD, 0); + } + + cairo_restore (cr); + cairo_translate (cr, 0, HEIGHT+PAD); + } + + cairo_pattern_destroy (pattern); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (linear_gradient_extend, + "Tests gradient to solid reduction of linear gradients", + "radial, pattern, extend", /* keywords */ + NULL, /* requirements */ + (WIDTH+PAD) * NUM_EXTEND + PAD, 2*(HEIGHT + PAD) + PAD, + NULL, draw) diff --git a/test/linear-gradient-extend.ref.png b/test/linear-gradient-extend.ref.png new file mode 100644 index 00000000..79ce747d Binary files /dev/null and b/test/linear-gradient-extend.ref.png differ diff --git a/test/radial-gradient-extend.c b/test/radial-gradient-extend.c new file mode 100644 index 00000000..8608b800 --- /dev/null +++ b/test/radial-gradient-extend.c @@ -0,0 +1,90 @@ +/* + * Copyright 2010 Andrea Canciani + * + * 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 + * Andrea Canciani not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Andrea Canciani makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * ANDREA CANCIANI DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL ANDREA CANCIANI 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: Andrea Canciani + */ + +#include "cairo-test.h" + +#define NUM_EXTEND 4 +#define HEIGHT 16 +#define WIDTH 16 +#define PAD 3 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *pattern; + unsigned int i, j; + + cairo_extend_t extend[NUM_EXTEND] = { + CAIRO_EXTEND_NONE, + CAIRO_EXTEND_REPEAT, + CAIRO_EXTEND_REFLECT, + CAIRO_EXTEND_PAD + }; + + cairo_test_paint_checkered (cr); + + pattern = cairo_pattern_create_radial (WIDTH / 2, HEIGHT / 2, 0, WIDTH / 2, HEIGHT / 2, 2 * PAD); + + cairo_pattern_add_color_stop_rgb (pattern, 0, 0, 0, 1); + cairo_pattern_add_color_stop_rgb (pattern, 1, 0, 0, 1); + + cairo_translate (cr, PAD, PAD); + + for (i = 0; i < 2; i++) { + cairo_save (cr); + + for (j = 0; j < NUM_EXTEND; j++) { + cairo_pattern_set_extend (pattern, extend[j]); + + cairo_reset_clip (cr); + cairo_rectangle (cr, 0, 0, WIDTH, HEIGHT); + cairo_clip (cr); + + if (i & 1) { + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_mask (cr, pattern); + } else { + cairo_set_source (cr, pattern); + cairo_paint (cr); + } + + cairo_translate (cr, WIDTH+PAD, 0); + } + + cairo_restore (cr); + cairo_translate (cr, 0, HEIGHT+PAD); + } + + cairo_pattern_destroy (pattern); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (radial_gradient_extend, + "Tests gradient to solid reduction of radial gradients", + "radial, pattern, extend", /* keywords */ + NULL, /* requirements */ + (WIDTH+PAD) * NUM_EXTEND + PAD, 2*(HEIGHT + PAD) + PAD, + NULL, draw) diff --git a/test/radial-gradient-extend.ref.png b/test/radial-gradient-extend.ref.png new file mode 100644 index 00000000..3d7de5e5 Binary files /dev/null and b/test/radial-gradient-extend.ref.png differ -- cgit v1.2.3