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/*
* Copyright © 2005 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: Kristian Høgsberg <krh@redhat.com>
*/
#include <stdio.h>
#include <stdlib.h>
#include <poppler.h>
#define FAIL(msg) \
do { fprintf (stderr, "FAIL: %s\n", msg); exit (-1); } while (0)
#define PIXELS_PER_POINT 1
int main (int argc, char *argv[])
{
PopplerDocument *document;
PopplerPage *page;
double width, height;
const char *filename = argv[1];
const char *output_filename = argv[2];
const char *page_label = argv[3];
gchar *absolute, *uri;
cairo_surface_t *surface;
cairo_t *cr;
cairo_status_t status;
GError *error = NULL;
if (argc != 4)
FAIL ("usage: pdf2png input_file.pdf output_file.png page");
#if !GLIB_CHECK_VERSION(2,36,0)
g_type_init ();
#endif
if (g_path_is_absolute(filename)) {
absolute = g_strdup (filename);
} else {
gchar *dir = g_get_current_dir ();
absolute = g_build_filename (dir, filename, (gchar *) 0);
g_free (dir);
}
uri = g_filename_to_uri (absolute, NULL, &error);
g_free (absolute);
if (uri == NULL)
FAIL (error->message);
document = poppler_document_new_from_file (uri, NULL, &error);
g_free (uri);
if (document == NULL)
FAIL (error->message);
page = poppler_document_get_page_by_label (document, page_label);
g_object_unref (document);
if (page == NULL)
FAIL ("page not found");
poppler_page_get_size (page, &width, &height);
surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, width, height);
cr = cairo_create (surface);
cairo_surface_destroy (surface);
cairo_set_source_rgb (cr, 1,1,1);
cairo_paint (cr);
cairo_push_group_with_content (cr, CAIRO_CONTENT_COLOR_ALPHA);
poppler_page_render (page, cr);
g_object_unref (page);
cairo_pop_group_to_source (cr);
cairo_paint (cr);
status = cairo_surface_write_to_png (cairo_get_target (cr),
output_filename);
cairo_destroy (cr);
if (status)
FAIL (cairo_status_to_string (status));
return 0;
}
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