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/*
* 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>
*/
#include "cairo-test.h"
#include <stdio.h>
#include <errno.h>
/* Basic test to exercise the new mime-data embedding. */
static cairo_status_t
read_file (const cairo_test_context_t *ctx,
const char *filename,
unsigned char **data_out,
unsigned int *length_out)
{
FILE *file;
unsigned char *buf;
unsigned int len;
file = fopen (filename, "rb");
if (file == NULL) {
char path[4096];
if (errno == ENOMEM)
return CAIRO_STATUS_NO_MEMORY;
/* try again with srcdir */
snprintf (path, sizeof (path),
"%s/%s", ctx->srcdir, filename);
file = fopen (path, "rb");
}
if (file == NULL) {
switch (errno) {
case ENOMEM:
return CAIRO_STATUS_NO_MEMORY;
default:
return CAIRO_STATUS_FILE_NOT_FOUND;
}
}
fseek (file, 0, SEEK_END);
len = ftell (file);
fseek (file, 0, SEEK_SET);
buf = xmalloc (len);
*length_out = fread (buf, 1, len, file);
fclose (file);
if (*length_out != len) {
free (buf);
return CAIRO_STATUS_READ_ERROR;
}
*data_out = buf;
return CAIRO_STATUS_SUCCESS;
}
static cairo_test_status_t
paint_file (cairo_t *cr,
const char *filename, const char *mime_type,
int x, int y)
{
const cairo_test_context_t *ctx = cairo_test_get_context (cr);
cairo_surface_t *image;
unsigned char *mime_data;
unsigned int mime_length;
cairo_status_t status;
/* Deliberately use a non-matching MIME images, so that we can identify
* when the MIME representation is used in preference to the plain image
* surface.
*/
status = read_file (ctx, filename, &mime_data, &mime_length);
if (status)
return cairo_test_status_from_status (ctx, status);
image = cairo_image_surface_create (CAIRO_FORMAT_RGB24, 200, 50);
status = cairo_surface_set_mime_data (image, mime_type,
mime_data, mime_length,
free, mime_data);
if (status) {
cairo_surface_destroy (image);
free (mime_data);
return cairo_test_status_from_status (ctx, status);
}
cairo_set_source_surface (cr, image, x, y);
cairo_surface_destroy (image);
cairo_paint (cr);
return CAIRO_TEST_SUCCESS;
}
static cairo_test_status_t
paint_jbig2_file (cairo_t *cr, int x, int y)
{
const cairo_test_context_t *ctx = cairo_test_get_context (cr);
cairo_surface_t *image;
unsigned char *mime_data;
unsigned int mime_length;
cairo_status_t status;
const char jbig2_image1_filename[] = "image1.jb2";
const char jbig2_image2_filename[] = "image2.jb2";
const char jbig2_global_filename[] = "global.jb2";
/* Deliberately use a non-matching MIME images, so that we can identify
* when the MIME representation is used in preference to the plain image
* surface.
*/
/* Image 1 */
status = read_file (ctx, jbig2_image1_filename, &mime_data, &mime_length);
if (status)
return cairo_test_status_from_status (ctx, status);
image = cairo_image_surface_create (CAIRO_FORMAT_RGB24, 200, 50);
status = cairo_surface_set_mime_data (image, CAIRO_MIME_TYPE_JBIG2_GLOBAL_ID,
(unsigned char *)"global", 6, NULL, NULL);
if (status) {
cairo_surface_destroy (image);
return cairo_test_status_from_status (ctx, status);
}
status = cairo_surface_set_mime_data (image, CAIRO_MIME_TYPE_JBIG2,
mime_data, mime_length,
free, mime_data);
if (status) {
cairo_surface_destroy (image);
free (mime_data);
return cairo_test_status_from_status (ctx, status);
}
cairo_set_source_surface (cr, image, x, y);
cairo_surface_destroy (image);
cairo_paint (cr);
/* Image 2 */
status = read_file (ctx, jbig2_image2_filename, &mime_data, &mime_length);
if (status)
return cairo_test_status_from_status (ctx, status);
image = cairo_image_surface_create (CAIRO_FORMAT_RGB24, 200, 50);
status = cairo_surface_set_mime_data (image, CAIRO_MIME_TYPE_JBIG2_GLOBAL_ID,
(unsigned char *)"global", 6, NULL, NULL);
if (status) {
cairo_surface_destroy (image);
return cairo_test_status_from_status (ctx, status);
}
status = cairo_surface_set_mime_data (image, CAIRO_MIME_TYPE_JBIG2,
mime_data, mime_length,
free, mime_data);
if (status) {
cairo_surface_destroy (image);
free (mime_data);
return cairo_test_status_from_status (ctx, status);
}
/* Set the global data */
status = read_file (ctx, jbig2_global_filename, &mime_data, &mime_length);
if (status)
return cairo_test_status_from_status (ctx, status);
status = cairo_surface_set_mime_data (image, CAIRO_MIME_TYPE_JBIG2_GLOBAL,
mime_data, mime_length,
free, mime_data);
if (status) {
cairo_surface_destroy (image);
free (mime_data);
return cairo_test_status_from_status (ctx, status);
}
cairo_set_source_surface (cr, image, x, y + 50);
cairo_surface_destroy (image);
cairo_paint (cr);
return CAIRO_TEST_SUCCESS;
}
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
const char jpg_filename[] = "jpeg.jpg";
const char png_filename[] = "png.png";
const char jp2_filename[] = "jp2.jp2";
cairo_test_status_t status;
status = paint_file (cr, jpg_filename, CAIRO_MIME_TYPE_JPEG, 0, 0);
if (status)
return status;
status = paint_file (cr, png_filename, CAIRO_MIME_TYPE_PNG, 0, 50);
if (status)
return status;
status = paint_file (cr, jp2_filename, CAIRO_MIME_TYPE_JP2, 0, 100);
if (status)
return status;
status = paint_jbig2_file (cr, 0, 150);
if (status)
return status;
return CAIRO_TEST_SUCCESS;
}
CAIRO_TEST (mime_data,
"Check that the mime-data embedding works",
"jpeg, api", /* keywords */
NULL, /* requirements */
200, 250,
NULL, draw)