diff options
author | sanine <sanine.not@pm.me> | 2022-10-12 12:03:23 -0500 |
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committer | sanine <sanine.not@pm.me> | 2022-10-12 12:03:23 -0500 |
commit | 530ffd0b7d3c39757b20f00716e486b5caf89aff (patch) | |
tree | 76b35fdf57317038acf6b828871f6ae25fce2ebe /libs/cairo-1.16.0/test/pdf2png.c | |
parent | 3dbe9332e47c143a237db12440f134caebd1cfbe (diff) |
add cairo
Diffstat (limited to 'libs/cairo-1.16.0/test/pdf2png.c')
-rw-r--r-- | libs/cairo-1.16.0/test/pdf2png.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/libs/cairo-1.16.0/test/pdf2png.c b/libs/cairo-1.16.0/test/pdf2png.c new file mode 100644 index 0000000..ab39c57 --- /dev/null +++ b/libs/cairo-1.16.0/test/pdf2png.c @@ -0,0 +1,103 @@ +/* + * 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; +} |