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/* cairo - a vector graphics library with display and print output
*
* Copyright © 2005 Red Hat, Inc
* Copyright © 2009 Chris Wilson
*
* This library is free software; you can redistribute it and/or
* modify it either under the terms of the GNU Lesser General Public
* License version 2.1 as published by the Free Software Foundation
* (the "LGPL") or, at your option, under the terms of the Mozilla
* Public License Version 1.1 (the "MPL"). If you do not alter this
* notice, a recipient may use your version of this file under either
* the MPL or the LGPL.
*
* You should have received a copy of the LGPL along with this library
* in the file COPYING-LGPL-2.1; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
* You should have received a copy of the MPL along with this library
* in the file COPYING-MPL-1.1
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
* OF ANY KIND, either express or implied. See the LGPL or the MPL for
* the specific language governing rights and limitations.
*
* The Original Code is the cairo graphics library.
*
* The Initial Developer of the Original Code is Red Hat, Inc.
*
* Contributor(s):
* Carl Worth <cworth@cworth.org>
* Chris Wilson <chris@chris-wilson.co.uk>
*/
/* This isn't a "real" surface, but just something to be used by the
* test suite to force use of a non-standard pixman image fallback - as
* may be exposed by xlib fallbacks with weird xservers, for example.
*/
#include "cairoint.h"
#include "test-fallback16-surface.h"
#include "cairo-default-context-private.h"
#include "cairo-error-private.h"
typedef struct _test_fallback16_surface {
cairo_surface_t base;
/* This is a cairo_image_surface to hold the actual contents. */
cairo_surface_t *backing;
} test_fallback16_surface_t;
static const cairo_surface_backend_t test_fallback16_surface_backend;
slim_hidden_proto (_cairo_test_fallback16_surface_create);
cairo_surface_t *
_cairo_test_fallback16_surface_create (cairo_content_t content,
int width,
int height)
{
test_fallback16_surface_t *surface;
cairo_surface_t *backing;
pixman_format_code_t format;
format = content & CAIRO_CONTENT_ALPHA ? PIXMAN_a1r5g5b5: PIXMAN_r5g6b5;
backing = _cairo_image_surface_create_with_pixman_format (NULL, format,
width, height,
-1);
if (cairo_surface_status (backing))
return backing;
surface = malloc (sizeof (test_fallback16_surface_t));
if (unlikely (surface == NULL)) {
cairo_surface_destroy (backing);
return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY));
}
_cairo_surface_init (&surface->base,
&test_fallback16_surface_backend,
NULL, /* device */
content);
surface->backing = backing;
return &surface->base;
}
slim_hidden_def (_cairo_test_fallback16_surface_create);
static cairo_surface_t *
_test_fallback16_surface_create_similar (void *abstract_surface,
cairo_content_t content,
int width,
int height)
{
assert (CAIRO_CONTENT_VALID (content));
return _cairo_test_fallback16_surface_create (content, width, height);
}
static cairo_status_t
_test_fallback16_surface_finish (void *abstract_surface)
{
test_fallback16_surface_t *surface = abstract_surface;
cairo_surface_destroy (surface->backing);
return CAIRO_STATUS_SUCCESS;
}
static cairo_status_t
_test_fallback16_surface_acquire_source_image (void *abstract_surface,
cairo_image_surface_t **image_out,
void **image_extra)
{
test_fallback16_surface_t *surface = abstract_surface;
return _cairo_surface_acquire_source_image (surface->backing,
image_out, image_extra);
}
static void
_test_fallback16_surface_release_source_image (void *abstract_surface,
cairo_image_surface_t *image,
void *image_extra)
{
test_fallback16_surface_t *surface = abstract_surface;
_cairo_surface_release_source_image (surface->backing,
image, image_extra);
}
static cairo_status_t
_test_fallback16_surface_acquire_dest_image (void *abstract_surface,
cairo_rectangle_int_t *interest_rect,
cairo_image_surface_t **image_out,
cairo_rectangle_int_t *image_rect_out,
void **image_extra)
{
test_fallback16_surface_t *surface = abstract_surface;
return _cairo_surface_acquire_dest_image (surface->backing,
interest_rect,
image_out,
image_rect_out,
image_extra);
}
static void
_test_fallback16_surface_release_dest_image (void *abstract_surface,
cairo_rectangle_int_t *interest_rect,
cairo_image_surface_t *image,
cairo_rectangle_int_t *image_rect,
void *image_extra)
{
test_fallback16_surface_t *surface = abstract_surface;
_cairo_surface_release_dest_image (surface->backing,
interest_rect,
image,
image_rect,
image_extra);
}
static cairo_status_t
_test_fallback16_surface_clone_similar (void *abstract_surface,
cairo_surface_t *src,
int src_x,
int src_y,
int width,
int height,
int *clone_offset_x,
int *clone_offset_y,
cairo_surface_t **clone_out)
{
test_fallback16_surface_t *surface = abstract_surface;
if (src->backend == surface->base.backend) {
*clone_offset_x = 0;
*clone_offset_y = 0;
*clone_out = cairo_surface_reference (src);
return CAIRO_STATUS_SUCCESS;
} else {
return _cairo_surface_clone_similar (surface->backing, src,
src_x, src_y,
width, height,
clone_offset_x, clone_offset_y,
clone_out);
}
}
static cairo_bool_t
_test_fallback16_surface_get_extents (void *abstract_surface,
cairo_rectangle_int_t *rectangle)
{
test_fallback16_surface_t *surface = abstract_surface;
return _cairo_surface_get_extents (surface->backing, rectangle);
}
static const cairo_surface_backend_t test_fallback16_surface_backend = {
CAIRO_INTERNAL_SURFACE_TYPE_TEST_FALLBACK,
_test_fallback16_surface_finish,
_cairo_default_context_create,
_test_fallback16_surface_create_similar,
NULL, /* create similar image */
NULL, /* map to image */
NULL, /* unmap image */
_test_fallback16_surface_acquire_source_image,
_test_fallback16_surface_release_source_image,
_test_fallback16_surface_acquire_dest_image,
_test_fallback16_surface_release_dest_image,
_test_fallback16_surface_clone_similar,
NULL, /* composite */
NULL, /* fill_rectangles */
NULL, /* composite_trapezoids */
NULL, /* create_span_renderer */
NULL, /* check_span_renderer */
NULL, /* copy_page */
NULL, /* show_page */
_test_fallback16_surface_get_extents,
NULL, /* old_show_glyphs */
NULL, /* get_font_options */
NULL, /* flush */
NULL, /* mark_dirty_rectangle */
NULL, /* scaled_font_fini */
NULL, /* scaled_glyph_fini */
NULL, /* paint */
NULL, /* mask */
NULL, /* stroke */
NULL, /* fill */
NULL, /* show_glyphs */
NULL /* snapshot */
};
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