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6059f5f260
Patch proposed by Bofa. Fixes: https://gitlab.freedesktop.org/cairo/cairo/issues/317 Reviewed-by: Bryce Harrington <bryce@bryceharrington.org>
103 lines
3.1 KiB
C
103 lines
3.1 KiB
C
/*
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* Copyright © 2005 Red Hat, Inc.
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*
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* Permission to use, copy, modify, distribute, and sell this software
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* and its documentation for any purpose is hereby granted without
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* fee, provided that the above copyright notice appear in all copies
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* and that both that copyright notice and this permission notice
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* appear in supporting documentation, and that the name of
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* Red Hat, Inc. not be used in advertising or publicity pertaining to
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* distribution of the software without specific, written prior
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* permission. Red Hat, Inc. makes no representations about the
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* suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL,
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* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
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* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
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* IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* Author: Kristian Høgsberg <krh@redhat.com>
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <poppler.h>
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#define FAIL(msg) \
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do { fprintf (stderr, "FAIL: %s\n", msg); exit (-1); } while (0)
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#define PIXELS_PER_POINT 1
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int main (int argc, char *argv[])
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{
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PopplerDocument *document;
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PopplerPage *page;
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double width, height;
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const char *filename = argv[1];
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const char *output_filename = argv[2];
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const char *page_label = argv[3];
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gchar *absolute, *uri;
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cairo_surface_t *surface;
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cairo_t *cr;
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cairo_status_t status;
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GError *error = NULL;
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if (argc != 4)
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FAIL ("usage: pdf2png input_file.pdf output_file.png page");
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#if !GLIB_CHECK_VERSION(2,36,0)
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g_type_init ();
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#endif
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if (g_path_is_absolute(filename)) {
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absolute = g_strdup (filename);
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} else {
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gchar *dir = g_get_current_dir ();
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absolute = g_build_filename (dir, filename, (gchar *) 0);
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g_free (dir);
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}
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uri = g_filename_to_uri (absolute, NULL, &error);
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g_free (absolute);
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if (uri == NULL)
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FAIL (error->message);
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document = poppler_document_new_from_file (uri, NULL, &error);
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g_free (uri);
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if (document == NULL)
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FAIL (error->message);
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page = poppler_document_get_page_by_label (document, page_label);
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g_object_unref (document);
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if (page == NULL)
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FAIL ("page not found");
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poppler_page_get_size (page, &width, &height);
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surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, width, height);
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cr = cairo_create (surface);
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cairo_surface_destroy (surface);
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cairo_set_source_rgb (cr, 1,1,1);
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cairo_paint (cr);
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cairo_push_group_with_content (cr, CAIRO_CONTENT_COLOR_ALPHA);
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poppler_page_render (page, cr);
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g_object_unref (page);
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cairo_pop_group_to_source (cr);
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cairo_paint (cr);
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status = cairo_surface_write_to_png (cairo_get_target (cr),
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output_filename);
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cairo_destroy (cr);
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if (status)
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FAIL (cairo_status_to_string (status));
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return 0;
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}
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