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/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */
/*
* Copyright © 2004,2006 Red Hat, Inc.
*
* 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
* Red Hat, Inc. not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior
* permission. Red Hat, Inc. makes no representations about the
* suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL RED HAT, INC. 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: Carl D. Worth <cworth@cworth.org>
*/
#include "cairo-boilerplate.h"
#include "cairo-boilerplate-test-surfaces-private.h"
#include <test-fallback-surface.h>
#include <test-meta-surface.h>
#include <test-paginated-surface.h>
#include <assert.h>
cairo_surface_t *
_cairo_boilerplate_test_fallback_create_surface (const char *name,
cairo_content_t content,
int width,
int height,
int max_width,
int max_height,
cairo_boilerplate_mode_t mode,
int id,
void **closure)
{
*closure = NULL;
return _cairo_test_fallback_surface_create (content, width, height);
}
cairo_surface_t *
_cairo_boilerplate_test_meta_create_surface (const char *name,
cairo_content_t content,
int width,
int height,
int max_width,
int max_height,
cairo_boilerplate_mode_t mode,
int id,
void **closure)
{
*closure = NULL;
return _cairo_test_meta_surface_create (content, width, height);
}
static const cairo_user_data_key_t test_paginated_closure_key;
typedef struct {
unsigned char *data;
cairo_content_t content;
int width;
int height;
int stride;
} test_paginated_closure_t;
cairo_surface_t *
_cairo_boilerplate_test_paginated_create_surface (const char *name,
cairo_content_t content,
int width,
int height,
int max_width,
int max_height,
cairo_boilerplate_mode_t mode,
int id,
void **closure)
{
test_paginated_closure_t *tpc;
cairo_format_t format;
cairo_surface_t *surface;
cairo_status_t status;
*closure = tpc = xmalloc (sizeof (test_paginated_closure_t));
format = cairo_boilerplate_format_from_content (content);
tpc->content = content;
tpc->width = width;
tpc->height = height;
tpc->stride = cairo_format_stride_for_width (format, width);
tpc->data = xcalloc (tpc->stride, height);
surface = _cairo_test_paginated_surface_create_for_data (tpc->data,
tpc->content,
tpc->width,
tpc->height,
tpc->stride);
if (cairo_surface_status (surface))
goto CLEANUP;
status = cairo_surface_set_user_data (surface,
&test_paginated_closure_key,
tpc, NULL);
if (status == CAIRO_STATUS_SUCCESS)
return surface;
cairo_surface_destroy (surface);
surface = cairo_boilerplate_surface_create_in_error (status);
CLEANUP:
free (tpc->data);
free (tpc);
return surface;
}
/* The only reason we go through all these machinations to write a PNG
* image is to _really ensure_ that the data actually landed in our
* buffer through the paginated surface to the test_paginated_surface.
*
* If we didn't implement this function then the default
* cairo_surface_write_to_png would result in the paginated_surface's
* acquire_source_image function replaying the meta-surface to an
* intermediate image surface. And in that case the
* test_paginated_surface would not be involved and wouldn't be
* tested.
*/
cairo_status_t
_cairo_boilerplate_test_paginated_surface_write_to_png (cairo_surface_t *surface,
const char *filename)
{
cairo_surface_t *image;
cairo_format_t format;
test_paginated_closure_t *tpc;
cairo_status_t status;
/* show page first. the automatic show_page is too late for us */
cairo_surface_show_page (surface);
status = cairo_surface_status (surface);
if (status)
return status;
tpc = cairo_surface_get_user_data (surface, &test_paginated_closure_key);
format = cairo_boilerplate_format_from_content (tpc->content);
image = cairo_image_surface_create_for_data (tpc->data,
format,
tpc->width,
tpc->height,
tpc->stride);
status = cairo_surface_write_to_png (image, filename);
cairo_surface_destroy (image);
return status;
}
cairo_surface_t *
_cairo_boilerplate_test_paginated_get_image_surface (cairo_surface_t *surface,
int page,
int width,
int height)
{
cairo_format_t format;
test_paginated_closure_t *tpc;
cairo_status_t status;
/* XXX separate finish as per PDF */
if (page != 0)
return cairo_boilerplate_surface_create_in_error (CAIRO_STATUS_SURFACE_TYPE_MISMATCH);
/* show page first. the automatic show_page is too late for us */
cairo_surface_show_page (surface);
status = cairo_surface_status (surface);
if (status)
return cairo_boilerplate_surface_create_in_error (status);
tpc = cairo_surface_get_user_data (surface, &test_paginated_closure_key);
format = cairo_boilerplate_format_from_content (tpc->content);
if (0) {
return cairo_image_surface_create_for_data (tpc->data + tpc->stride * (tpc->height - height) + 4 * (tpc->width - width), /* hide the device offset */
format,
width,
height,
tpc->stride);
} else {
cairo_surface_t *image, *surface;
image = cairo_image_surface_create_for_data (tpc->data,
format,
tpc->width,
tpc->height,
tpc->stride);
cairo_surface_set_device_offset (image,
tpc->width - width,
tpc->height - height);
surface = _cairo_boilerplate_get_image_surface (image, 0, width, height);
cairo_surface_destroy (image);
return surface;
}
}
void
_cairo_boilerplate_test_paginated_cleanup (void *closure)
{
test_paginated_closure_t *tpc = closure;
free (tpc->data);
free (tpc);
}
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