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authorsanine <sanine.not@pm.me>2022-10-12 12:03:23 -0500
committersanine <sanine.not@pm.me>2022-10-12 12:03:23 -0500
commit530ffd0b7d3c39757b20f00716e486b5caf89aff (patch)
tree76b35fdf57317038acf6b828871f6ae25fce2ebe /libs/cairo-1.16.0/test/pdf2png.c
parent3dbe9332e47c143a237db12440f134caebd1cfbe (diff)
add cairo
Diffstat (limited to 'libs/cairo-1.16.0/test/pdf2png.c')
-rw-r--r--libs/cairo-1.16.0/test/pdf2png.c103
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;
+}