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test: Exercise scaling from an atlas through a subsurface

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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2011-09-23 13:37:51 +01:00
parent 9b3b84976a
commit 2c34f028a7
5 changed files with 96 additions and 1 deletions
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3
test/Makefile.refs
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@ -2533,6 +2533,8 @@ REFERENCE_IMAGES = \
reference/subsurface-repeat.ref.png \
reference/subsurface-repeat.traps.argb32.ref.png \
reference/subsurface-repeat.traps.rgb24.ref.png \
reference/subsurface-scale.base.ref.png \
reference/subsurface-scale.ref.png \
reference/subsurface-similar-repeat.base.argb32.ref.png \
reference/subsurface-similar-repeat.base.rgb24.ref.png \
reference/subsurface-similar-repeat.ref.png \
@ -2665,7 +2667,6 @@ REFERENCE_IMAGES = \
reference/text-pattern.quartz.argb32.ref.png \
reference/text-pattern.quartz.rgb24.ref.png \
reference/text-pattern.ref.png \
reference/text-pattern.rgb24.ref.png \
reference/text-pattern.svg.argb32.ref.png \
reference/text-pattern.svg.rgb24.ref.png \
reference/text-pattern.traps.argb32.ref.png \

1
test/Makefile.sources
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@ -300,6 +300,7 @@ test_sources = \
subsurface-modify-child.c \
subsurface-modify-parent.c \
subsurface-outside-target.c \
subsurface-scale.c \
subsurface-similar-repeat.c \
surface-finish-twice.c \
surface-pattern.c \

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test/reference/subsurface-scale.base.ref.png Normal file
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93
test/subsurface-scale.c Normal file
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@ -0,0 +1,93 @@
/*
* Copyright 2009 Intel Corporation
*
* 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
* Intel not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior
* permission. Intel makes no representations about the
* suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* INTEL CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL INTEL CORPORATION 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: Chris Wilson <chris@chris-wilson.co.uk>
*/
#include "cairo-test.h"
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
cairo_surface_t *region[5];
const char *text = "Cairo";
int i;
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_paint (cr);
cairo_rectangle (cr, 0, 20, 200, 60);
cairo_set_source_rgb (cr, 1, 0, 0);
cairo_fill (cr);
cairo_set_source_rgb (cr, 0, 0, 0);
for (i = 0; i < 5; i++) {
cairo_t *cr_region;
cairo_text_extents_t extents;
char buf[2] = { text[i], '\0' };
region[i] = cairo_surface_create_for_rectangle (cairo_get_target (cr),
20 * i, 0, 20, 20);
cr_region = cairo_create (region[i]);
cairo_surface_destroy (region[i]);
cairo_select_font_face (cr_region, "@cairo:",
CAIRO_FONT_WEIGHT_NORMAL,
CAIRO_FONT_SLANT_NORMAL);
cairo_set_font_size (cr_region, 20);
cairo_text_extents (cr_region, buf, &extents);
cairo_move_to (cr_region,
10 - (extents.width/2 + extents.x_bearing),
10 - (extents.height/2 + extents.y_bearing));
cairo_show_text (cr_region, buf);
region[i] = cairo_surface_reference (cairo_get_target (cr_region));
cairo_destroy (cr_region);
}
cairo_scale (cr, 2, 2);
for (i = 0; i < 5; i++) {
cairo_set_source_surface (cr, region[5-i-1], 20 * i, 20);
cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_PAD);
cairo_rectangle (cr, 20*i, 20, 20, 20);
cairo_fill (cr);
}
for (i = 0; i < 5; i++) {
cairo_set_source_surface (cr, region[5-i-1], 20 * i, 40);
cairo_paint_with_alpha (cr, .5);
}
for (i = 0; i < 5; i++)
cairo_surface_destroy (region[i]);
return CAIRO_TEST_SUCCESS;
}
CAIRO_TEST (subsurface_scale,
"Tests clipping of both source and destination using subsurfaces",
"subsurface", /* keywords */
NULL, /* requirements */
200, 120,
NULL, draw)