From 9d2d3b95e359cd2829c8d02a378dbfec2065e832 Mon Sep 17 00:00:00 2001 From: Carl Worth Date: Thu, 21 Dec 2006 08:20:20 -0800 Subject: [PATCH] Add new rectilinear-stroke test This is in preparation for an optimized implementation of cairo_stroke for rectilinear paths. --- test/.gitignore | 1 + test/Makefile.am | 2 + test/rectilinear-stroke-ref.png | Bin 0 -> 213 bytes test/rectilinear-stroke.c | 138 ++++++++++++++++++++++++++++++++ 4 files changed, 141 insertions(+) create mode 100644 test/rectilinear-stroke-ref.png create mode 100644 test/rectilinear-stroke.c diff --git a/test/.gitignore b/test/.gitignore index 489bce6dd..a9f71bec1 100644 --- a/test/.gitignore +++ b/test/.gitignore @@ -104,6 +104,7 @@ svg-surface.svg pixman-rotate pthread-show-text rectangle-rounding-error +rectilinear-stroke rel-path scale-source-surface-paint select-font-face diff --git a/test/Makefile.am b/test/Makefile.am index 6dd82cb92..4ed21d74b 100644 --- a/test/Makefile.am +++ b/test/Makefile.am @@ -71,6 +71,7 @@ pattern-getters \ pixman-rotate \ random-intersections \ rectangle-rounding-error \ +rectilinear-stroke \ scale-source-surface-paint \ select-font-face \ select-font-no-show-text \ @@ -286,6 +287,7 @@ random-intersections-ref.png \ random-intersections-rgb24-ref.png \ random-intersections-ps-argb32-ref.png \ rectangle-rounding-error-ref.png \ +rectilinear-stroke-ref.png \ rel-path-ref.png \ rel-path-rgb24-ref.png \ romedalen.png \ diff --git a/test/rectilinear-stroke-ref.png b/test/rectilinear-stroke-ref.png new file mode 100644 index 0000000000000000000000000000000000000000..0a40b0decfd3d10ccba1f4b09aa675c40931da04 GIT binary patch literal 213 zcmeAS@N?(olHy`uVBq!ia0vp^k|4~%1|*NXY)uAIY)RhkE)4%caKYZ?lYt`aC7!;n z?ALfi1(ZzP7u)#)g~~l$978-h-%j!7JD|Yf!v6U0dYjnH9MSqfG2YEWpLiG#adr-u;t8`9|w%dRD%A(NtbB zd2Yx((@EDN`}3=&tDW8L_NTt@Vt2*F>Q#HP!?gEwmfIdQ2(VkQFn1r&2@IaDelF{r G5}E+<5KfQ) literal 0 HcmV?d00001 diff --git a/test/rectilinear-stroke.c b/test/rectilinear-stroke.c new file mode 100644 index 000000000..6ba3f1a33 --- /dev/null +++ b/test/rectilinear-stroke.c @@ -0,0 +1,138 @@ +/* + * Copyright © 2006 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Carl D. Worth + */ + +#include "cairo-test.h" + +#define SIZE 25 + +static cairo_test_draw_function_t draw; + +cairo_test_t test = { + "rectilinear-stroke", + "Test rectilinear stroke operations (covering only whole pixels)", + SIZE, SIZE, + draw +}; + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + /* Paint background white, then draw in black. */ + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); /* black */ + + cairo_set_line_width (cr, 1.0); + cairo_translate (cr, 1, 1); + + /* Draw everything first with square caps. */ + cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE); + + /* Draw horizontal and vertical segments, each in both + * directions. */ + cairo_move_to (cr, 4.5, 0.5); + cairo_rel_line_to (cr, 2.0, 0.0); + + cairo_move_to (cr, 10.5, 4.5); + cairo_rel_line_to (cr, 0.0, 2.0); + + cairo_move_to (cr, 6.5, 10.5); + cairo_rel_line_to (cr, -2.0, 0.0); + + cairo_move_to (cr, 0.5, 6.5); + cairo_rel_line_to (cr, 0.0, -2.0); + + /* Draw right angle turns in four directions. */ + cairo_move_to (cr, 0.5, 2.5); + cairo_rel_line_to (cr, 0.0, -2.0); + cairo_rel_line_to (cr, 2.0, 0.0); + + cairo_move_to (cr, 8.5, 0.5); + cairo_rel_line_to (cr, 2.0, 0.0); + cairo_rel_line_to (cr, 0.0, 2.0); + + cairo_move_to (cr, 10.5, 8.5); + cairo_rel_line_to (cr, 0.0, 2.0); + cairo_rel_line_to (cr, -2.0, 0.0); + + cairo_move_to (cr, 2.5, 10.5); + cairo_rel_line_to (cr, -2.0, 0.0); + cairo_rel_line_to (cr, 0.0, -2.0); + + /* Draw a closed-path rectangle */ + cairo_rectangle (cr, 0.5, 12.5, 10.0, 10.0); + + cairo_stroke (cr); + + cairo_translate (cr, 12, 0); + + /* Now draw the same results, but with butt caps. */ + cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT); + + /* Draw horizontal and vertical segments, each in both + * directions. */ + cairo_move_to (cr, 4.0, 0.5); + cairo_rel_line_to (cr, 3.0, 0.0); + + cairo_move_to (cr, 10.5, 4.0); + cairo_rel_line_to (cr, 0.0, 3.0); + + cairo_move_to (cr, 7.0, 10.5); + cairo_rel_line_to (cr, -3.0, 0.0); + + cairo_move_to (cr, 0.5, 7.0); + cairo_rel_line_to (cr, 0.0, -3.0); + + /* Draw right angle turns in four directions. */ + cairo_move_to (cr, 0.5, 3.0); + cairo_rel_line_to (cr, 0.0, -2.5); + cairo_rel_line_to (cr, 2.5, 0.0); + + cairo_move_to (cr, 8.0, 0.5); + cairo_rel_line_to (cr, 2.5, 0.0); + cairo_rel_line_to (cr, 0.0, 2.5); + + cairo_move_to (cr, 10.5, 8.0); + cairo_rel_line_to (cr, 0.0, 2.5); + cairo_rel_line_to (cr, -2.5, 0.0); + + cairo_move_to (cr, 3.0, 10.5); + cairo_rel_line_to (cr, -2.5, 0.0); + cairo_rel_line_to (cr, 0.0, -2.5); + + /* Draw a closed-path rectangle */ + cairo_rectangle (cr, 0.5, 12.5, 10.0, 10.0); + + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +int +main (void) +{ + return cairo_test (&test); +}