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https://gitlab.freedesktop.org/cairo/cairo.git
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[test] Update extend-pad.
extend-pad was not a clear demonstration of the EXTEND_PAD mode, so revamp it to show the filter extending a 4 pixel surface to cover the entire output. However, this hides a discrepancy with the vector surfaces that we cannot prevent the external renders from applying an interpolation to the border pixels, so we copy the original test to extend-pad-border to check the desired behaviour on boundary pixels.
This commit is contained in:
Chris Wilson
parent
b3462c5616
commit
43e2370b02
7 changed files with 200 additions and 31 deletions
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@ -51,6 +51,8 @@ test_sources = \
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device-offset-positive.c \
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device-offset-scale.c \
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extend-pad.c \
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extend-pad-border.c \
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extend-pad-similar.c \
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extend-reflect.c \
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extend-reflect-similar.c \
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extend-repeat.c \
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@ -439,6 +441,8 @@ REFERENCE_IMAGES = \
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device-offset.rgb24.ref.png \
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device-offset-scale.ref.png \
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extend-pad.ref.png \
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extend-pad-border.ref.png \
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extend-pad-similar.ref.png \
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extend-reflect.ref.png \
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extend-reflect-similar.ref.png \
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extend-reflect-similar.ps2.ref.png \
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95
test/extend-pad-border.c
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95
test/extend-pad-border.c
Normal file
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@ -0,0 +1,95 @@
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/*
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* Copyright © 2007 Red Hat, Inc.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Author: Behdad Esfahbod <behdad@behdad.org>
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*/
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#include <math.h>
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#include "cairo-test.h"
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#include <stdio.h>
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#define SIZE 90
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/* Check the border-pixels of an EXTEND_PAD image pattern */
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static cairo_test_status_t
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draw (cairo_t *cr, int width, int height)
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{
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cairo_surface_t *surface;
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cairo_t * cr_surface;
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int surface_size = (SIZE - 30) / 10;
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cairo_set_source_rgba (cr, 0, 0, 0, 1);
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cairo_rectangle (cr, 0, 0, SIZE, SIZE);
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cairo_fill (cr);
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/* Create an image surface with my favorite four colors in each
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* quadrant. */
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surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24,
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surface_size, surface_size);
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cr_surface = cairo_create (surface);
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cairo_surface_destroy (surface);
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cairo_set_source_rgb (cr_surface, 1, 1, 1);
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cairo_rectangle (cr_surface,
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0, 0,
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surface_size / 2, surface_size / 2);
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cairo_fill (cr_surface);
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cairo_set_source_rgb (cr_surface, 1, 0, 0);
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cairo_rectangle (cr_surface,
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surface_size / 2, 0,
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surface_size / 2, surface_size / 2);
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cairo_fill (cr_surface);
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cairo_set_source_rgb (cr_surface, 0, 1, 0);
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cairo_rectangle (cr_surface,
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0, surface_size / 2,
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surface_size / 2, surface_size / 2);
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cairo_fill (cr_surface);
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cairo_set_source_rgb (cr_surface, 0, 0, 1);
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cairo_rectangle (cr_surface,
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surface_size / 2, surface_size / 2,
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surface_size / 2, surface_size / 2);
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cairo_fill (cr_surface);
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cairo_scale (cr, 10, 10);
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cairo_set_source_surface (cr, cairo_get_target (cr_surface), 1.5, 1.5);
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cairo_destroy (cr_surface);
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/* Using EXTEND_REFLECT makes this test pass for image and xlib backends */
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/*cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_REFLECT);*/
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cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_PAD);
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cairo_rectangle (cr, 1.5, 1.5, 6, 6);
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cairo_clip (cr);
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cairo_paint (cr);
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return CAIRO_TEST_SUCCESS;
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}
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CAIRO_TEST (extend_pad_border,
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"Test CAIRO_EXTEND_PAD for surface patterns",
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"XFAIL=!image,pdf,ps,svg extend", /* keywords */
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NULL, /* requirements */
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SIZE, SIZE,
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NULL, draw)
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BIN
test/extend-pad-border.ref.png
Normal file
BIN
test/extend-pad-border.ref.png
Normal file
Binary file not shown.
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After Width: | Height: | Size: 616 B |
82
test/extend-pad-similar.c
Normal file
82
test/extend-pad-similar.c
Normal file
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@ -0,0 +1,82 @@
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/*
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* Copyright © 2007 Red Hat, Inc.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Author: Behdad Esfahbod <behdad@behdad.org>
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*/
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#include <math.h>
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#include "cairo-test.h"
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#include <stdio.h>
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#define SIZE 90
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static cairo_test_status_t
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draw (cairo_t *cr, int width, int height)
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{
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cairo_surface_t *surface;
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cairo_t *cr_surface;
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/* Create a 4-pixel similar surface with my favorite four colors in each
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* quadrant. */
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surface = cairo_surface_create_similar (cairo_get_group_target (cr),
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CAIRO_CONTENT_COLOR, 2, 2);
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cr_surface = cairo_create (surface);
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cairo_surface_destroy (surface);
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/* upper-left = white */
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cairo_set_source_rgb (cr_surface, 1, 1, 1);
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cairo_rectangle (cr_surface, 0, 0, 1, 1);
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cairo_fill (cr_surface);
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/* upper-right = red */
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cairo_set_source_rgb (cr_surface, 1, 0, 0);
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cairo_rectangle (cr_surface, 1, 0, 1, 1);
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cairo_fill (cr_surface);
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/* lower-left = green */
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cairo_set_source_rgb (cr_surface, 0, 1, 0);
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cairo_rectangle (cr_surface, 0, 1, 1, 1);
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cairo_fill (cr_surface);
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/* lower-right = blue */
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cairo_set_source_rgb (cr_surface, 0, 0, 1);
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cairo_rectangle (cr_surface, 1, 1, 1, 1);
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cairo_fill (cr_surface);
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/* Now use extend pad to cover the entire surface with those 4 colors */
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cairo_set_source_surface (cr, cairo_get_target (cr_surface),
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width/2 - 1,
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height/2 - 1);
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cairo_destroy (cr_surface);
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cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_PAD);
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cairo_paint (cr);
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return CAIRO_TEST_SUCCESS;
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}
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CAIRO_TEST (extend_pad_similar,
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"Test CAIRO_EXTEND_PAD for similar surface patterns",
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"extend", /* keywords */
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NULL, /* requirements */
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SIZE, SIZE,
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NULL, draw)
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BIN
test/extend-pad-similar.ref.png
Normal file
BIN
test/extend-pad-similar.ref.png
Normal file
Binary file not shown.
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After Width: | Height: | Size: 315 B |
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@ -34,52 +34,40 @@ static cairo_test_status_t
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draw (cairo_t *cr, int width, int height)
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{
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cairo_surface_t *surface;
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cairo_t * cr_surface;
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int surface_size = (SIZE - 30) / 10;
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cairo_t *cr_surface;
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cairo_set_source_rgba (cr, 0, 0, 0, 1);
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cairo_rectangle (cr, 0, 0, SIZE, SIZE);
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cairo_fill (cr);
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/* Create an image surface with my favorite four colors in each
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/* Create a 4-pixel image surface with my favorite four colors in each
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* quadrant. */
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surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24,
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surface_size, surface_size);
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surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, 2, 2);
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cr_surface = cairo_create (surface);
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cairo_surface_destroy (surface);
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/* upper-left = white */
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cairo_set_source_rgb (cr_surface, 1, 1, 1);
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cairo_rectangle (cr_surface,
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0, 0,
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surface_size / 2, surface_size / 2);
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cairo_rectangle (cr_surface, 0, 0, 1, 1);
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cairo_fill (cr_surface);
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/* upper-right = red */
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cairo_set_source_rgb (cr_surface, 1, 0, 0);
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cairo_rectangle (cr_surface,
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surface_size / 2, 0,
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surface_size / 2, surface_size / 2);
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cairo_rectangle (cr_surface, 1, 0, 1, 1);
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cairo_fill (cr_surface);
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/* lower-left = green */
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cairo_set_source_rgb (cr_surface, 0, 1, 0);
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cairo_rectangle (cr_surface,
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0, surface_size / 2,
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surface_size / 2, surface_size / 2);
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cairo_rectangle (cr_surface, 0, 1, 1, 1);
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cairo_fill (cr_surface);
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/* lower-right = blue */
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cairo_set_source_rgb (cr_surface, 0, 0, 1);
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cairo_rectangle (cr_surface,
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surface_size / 2, surface_size / 2,
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surface_size / 2, surface_size / 2);
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cairo_rectangle (cr_surface, 1, 1, 1, 1);
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cairo_fill (cr_surface);
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cairo_scale (cr, 10, 10);
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cairo_set_source_surface (cr, cairo_get_target (cr_surface), 1.5, 1.5);
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/* Now use extend pad to cover the entire surface with those 4 colors */
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cairo_set_source_surface (cr, cairo_get_target (cr_surface),
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width/2 - 1,
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height/2 - 1);
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cairo_destroy (cr_surface);
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/* Using EXTEND_REFLECT makes this test pass for image and xlib backends */
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/*cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_REFLECT);*/
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cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_PAD);
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cairo_rectangle (cr, 1.5, 1.5, 6, 6);
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cairo_clip (cr);
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cairo_paint (cr);
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return CAIRO_TEST_SUCCESS;
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@ -87,7 +75,7 @@ draw (cairo_t *cr, int width, int height)
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CAIRO_TEST (extend_pad,
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"Test CAIRO_EXTEND_PAD for surface patterns",
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"XFAIL=!image,pdf,ps,svg extend", /* keywords */
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"extend", /* keywords */
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NULL, /* requirements */
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SIZE, SIZE,
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NULL, draw)
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Binary file not shown.
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Before Width: | Height: | Size: 616 B After Width: | Height: | Size: 315 B |
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