mirror of
https://gitlab.freedesktop.org/cairo/cairo.git
synced 2025-12-20 05:50:10 +01:00
Run the command below suggested by geirha in ##sed@irc.freenode.net. git grep -l 'http://.*cairographics.org' | xargs sed -i 's|http\(://\([[:alnum:].-]*\.\)\{0,1\}cairographics\.org\)|https\1|g' Signed-off-by: Paul Menzel <pmenzel@molgen.mpg.de>
143 lines
4.2 KiB
C
143 lines
4.2 KiB
C
/*
|
|
* Copyright 2008 Chris Wilson
|
|
*
|
|
* 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
|
|
* Chris Wilson not be used in advertising or publicity pertaining to
|
|
* distribution of the software without specific, written prior
|
|
* permission. Chris Wilson makes no representations about the
|
|
* suitability of this software for any purpose. It is provided "as
|
|
* is" without express or implied warranty.
|
|
*
|
|
* CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
|
|
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
|
|
* FITNESS, IN NO EVENT SHALL CHRIS WILSON 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>
|
|
*/
|
|
|
|
/*
|
|
* Test case derived from the bug report by Michel Iwaniec:
|
|
* https://lists.cairographics.org/archives/cairo/2008-November/015660.html
|
|
*/
|
|
|
|
#include "cairo-test.h"
|
|
|
|
static cairo_surface_t *
|
|
create_source (cairo_surface_t *target, int width, int height)
|
|
{
|
|
cairo_surface_t *similar;
|
|
cairo_t *cr;
|
|
|
|
similar = cairo_image_surface_create (CAIRO_FORMAT_RGB24,
|
|
width, height);
|
|
cr = cairo_create (similar);
|
|
cairo_surface_destroy (similar);
|
|
|
|
cairo_set_source_rgb (cr, 1, 1, 1);
|
|
cairo_rectangle (cr,
|
|
width - 4, height - 4,
|
|
2, 2);
|
|
cairo_fill (cr);
|
|
cairo_set_source_rgb (cr, 1, 0, 0);
|
|
cairo_rectangle (cr,
|
|
width - 2, height - 4,
|
|
2, 2);
|
|
cairo_fill (cr);
|
|
cairo_set_source_rgb (cr, 0, 1, 0);
|
|
cairo_rectangle (cr,
|
|
width - 4, height - 2,
|
|
2, 2);
|
|
cairo_fill (cr);
|
|
cairo_set_source_rgb (cr, 0, 0, 1);
|
|
cairo_rectangle (cr,
|
|
width - 2, height - 2,
|
|
2, 2);
|
|
cairo_fill (cr);
|
|
|
|
similar = cairo_surface_reference (cairo_get_target (cr));
|
|
cairo_destroy (cr);
|
|
|
|
return similar;
|
|
}
|
|
|
|
static void
|
|
draw_grid (cairo_t *cr, cairo_pattern_t *pattern, int dst_x, int dst_y)
|
|
{
|
|
cairo_matrix_t m;
|
|
|
|
cairo_save (cr);
|
|
cairo_translate (cr, dst_x, dst_y);
|
|
cairo_scale (cr, 16, 16);
|
|
cairo_rotate (cr, 1);
|
|
|
|
cairo_matrix_init_translate (&m, 2560-4, 1280-4);
|
|
cairo_pattern_set_matrix (pattern, &m);
|
|
cairo_set_source (cr, pattern);
|
|
cairo_rectangle (cr, 0, 0, 4, 4);
|
|
cairo_fill (cr);
|
|
|
|
cairo_set_source_rgb (cr, .7, .7, .7);
|
|
cairo_set_line_width (cr, 1./16);
|
|
cairo_move_to (cr, 0, 0);
|
|
cairo_line_to (cr, 4, 0);
|
|
cairo_move_to (cr, 0, 2);
|
|
cairo_line_to (cr, 4, 2);
|
|
cairo_move_to (cr, 0, 4);
|
|
cairo_line_to (cr, 4, 4);
|
|
cairo_move_to (cr, 0, 0);
|
|
cairo_line_to (cr, 0, 4);
|
|
cairo_move_to (cr, 2, 0);
|
|
cairo_line_to (cr, 2, 4);
|
|
cairo_move_to (cr, 4, 0);
|
|
cairo_line_to (cr, 4, 4);
|
|
cairo_stroke (cr);
|
|
|
|
cairo_restore (cr);
|
|
}
|
|
|
|
static cairo_test_status_t
|
|
draw (cairo_t *cr, int width, int height)
|
|
{
|
|
cairo_surface_t *source;
|
|
cairo_pattern_t *pattern;
|
|
|
|
cairo_paint (cr);
|
|
|
|
source = create_source (cairo_get_target (cr), 2560, 1280);
|
|
pattern = cairo_pattern_create_for_surface (source);
|
|
cairo_surface_destroy (source);
|
|
|
|
cairo_pattern_set_filter (pattern, CAIRO_FILTER_NEAREST);
|
|
cairo_pattern_set_extend (pattern, CAIRO_EXTEND_NONE);
|
|
|
|
draw_grid (cr, pattern, 50, 0);
|
|
draw_grid (cr, pattern, 130, 0);
|
|
draw_grid (cr, pattern, 210, 0);
|
|
draw_grid (cr, pattern, 290, 0);
|
|
|
|
draw_grid (cr, pattern, 50, 230);
|
|
draw_grid (cr, pattern, 130, 230);
|
|
draw_grid (cr, pattern, 210, 230);
|
|
draw_grid (cr, pattern, 290, 230);
|
|
|
|
cairo_pattern_destroy (pattern);
|
|
|
|
return CAIRO_TEST_SUCCESS;
|
|
}
|
|
|
|
/* XFAIL: loss of precision converting a cairo matrix to */
|
|
CAIRO_TEST (scale_offset_image,
|
|
"Tests drawing surfaces under various scales and transforms",
|
|
"surface, scale-offset", /* keywords */
|
|
NULL, /* requirements */
|
|
320, 320,
|
|
NULL, draw)
|
|
|