From e8bc25fdb21340b0a5a25f7193fd0bc5de540a50 Mon Sep 17 00:00:00 2001 From: Andrea Canciani Date: Fri, 14 May 2010 21:40:13 +0200 Subject: [PATCH] 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 diff --git a/test/Makefile.sources b/test/Makefile.sources index cf03fcc4b..860ea1e0c 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 000000000..fd5026b41 --- /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 0000000000000000000000000000000000000000..79ce747db9fcc8fcabdc52c82bf9b64b161840c2 GIT binary patch literal 371 zcmV-(0gV2MP)ll&6KaN*pPS;_cHWQP4`7d-Hv2u$Qt>FW8aux54 zS9efCt|gF;eFEz_S{tfi^)CO zc7YWwR-gRI`PS)sWPh|UPi6YA`;|3|(3p%B?FUTek%^862V&ybG!qf=hwu{~;w~H^%xBhPy*&i*kNSXdCJF;dGTHRtr`v(Sg$l0ye Rgy;YO002ovPDHLkV1m}!s5t-t literal 0 HcmV?d00001 diff --git a/test/radial-gradient-extend.c b/test/radial-gradient-extend.c new file mode 100644 index 000000000..8608b8001 --- /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 0000000000000000000000000000000000000000..3d7de5e564cfcf2e0f85b4908d39cf0dc514d745 GIT binary patch literal 466 zcmeAS@N?(olHy`uVBq!ia0vp^{y?nB!2~3K|9(6TNUa`#sa1g|XZf?ZW3vm5AD?~3{8X{U^>|fk&);;OBRVFG>}kj3&h1?8RhPiI zZO`Ao|3%IiGc5XZc8*Q8?6cHr8E>mcHZH*?8%|&Q*1Gzr`F81=OAG?FhZajQr!IXw zXR;S-N0w&Vo=HWViIW7*`n{QcAhFv>J^Y!~uiEnFwWYJGZl9U=>dUQjZ#NsN)E4pI zHPkm$ub&y^A1z|BbLaY1_bPHjH|@CZr7rx`Cop;Zd+iDm2MmW^@-DG}G zk*_DG&&dz3^MB&Yd9mc(Io0%O^8za@f1cd2U{a=v!hS8r#-NKl3?^%f=IvafeC{xJ zd*j?~*S61gjo#_|JH_R-HD6*!_9AA@OQkIRKu0Z zO{9^XdMfvp`u7X6zFS^T-tWD3x$dn0$HkfAoq`{p+b}meB$@;0(3c?(WcyA!fE~Is zc+m>~ZCmr!Tinmv9jTP>Rq?Rc+|+XO9&=NsoXX$qi!VN#_hSBy