+/*
+ * Copyright (C) 20018 - The Geeqie Team
+ *
+ * Author: Colin Clark
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "main.h"
+
+#include "image-load.h"
+#include "image_load_pdf.h"
+
+#ifdef HAVE_PDF
+#include <poppler/glib/poppler.h>
+
+typedef struct _ImageLoaderPDF ImageLoaderPDF;
+struct _ImageLoaderPDF {
+ ImageLoaderBackendCbAreaUpdated area_updated_cb;
+ ImageLoaderBackendCbSize size_cb;
+ ImageLoaderBackendCbAreaPrepared area_prepared_cb;
+ gpointer data;
+ GdkPixbuf *pixbuf;
+ guint requested_width;
+ guint requested_height;
+ gboolean abort;
+};
+
+static gboolean image_loader_pdf_load(gpointer loader, const guchar *buf, gsize count, GError **error)
+{
+ ImageLoaderPDF *ld = (ImageLoaderPDF *) loader;
+ ImageLoader *il = ld->data;
+ GError *poppler_error;
+ gchar *uri;
+ PopplerPage *page;
+ PopplerDocument *document;
+ gint page_num;
+ gdouble width, height;
+ cairo_surface_t *surface;
+ cairo_t *cr;
+ gboolean ret = FALSE;
+
+ uri = g_filename_to_uri(il->fd->path, NULL, &poppler_error);
+ if (uri == NULL)
+ {
+ log_printf("warning: pdf reader error: %s\n", poppler_error->message);
+ }
+ else
+ {
+ page_num = 0;
+ document = poppler_document_new_from_file(uri, NULL, &poppler_error);
+ page = poppler_document_get_page(document, page_num);
+ poppler_page_get_size(page, &width, &height);
+
+ surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height);
+ cr = cairo_create(surface);
+ poppler_page_render(page, cr);
+
+ ld->pixbuf = gdk_pixbuf_get_from_surface(surface, 0, 0, width, height);
+ ld->area_updated_cb(loader, 0, 0, width, height, ld->data);
+
+ cairo_destroy (cr);
+ cairo_surface_destroy(surface);
+ g_free(uri);
+ g_object_unref(page);
+ g_object_unref(document);
+ ret = TRUE;
+ }
+
+ return ret;
+}
+
+static gpointer image_loader_pdf_new(ImageLoaderBackendCbAreaUpdated area_updated_cb, ImageLoaderBackendCbSize size_cb, ImageLoaderBackendCbAreaPrepared area_prepared_cb, gpointer data)
+{
+ ImageLoaderPDF *loader = g_new0(ImageLoaderPDF, 1);
+ loader->area_updated_cb = area_updated_cb;
+ loader->size_cb = size_cb;
+ loader->area_prepared_cb = area_prepared_cb;
+ loader->data = data;
+ return (gpointer) loader;
+}
+
+static void image_loader_pdf_set_size(gpointer loader, int width, int height)
+{
+ ImageLoaderPDF *ld = (ImageLoaderPDF *) loader;
+ ld->requested_width = width;
+ ld->requested_height = height;
+}
+
+static GdkPixbuf* image_loader_pdf_get_pixbuf(gpointer loader)
+{
+ ImageLoaderPDF *ld = (ImageLoaderPDF *) loader;
+ return ld->pixbuf;
+}
+
+static gchar* image_loader_pdf_get_format_name(gpointer loader)
+{
+ return g_strdup("pdf");
+}
+
+static gchar** image_loader_pdf_get_format_mime_types(gpointer loader)
+{
+ static gchar *mime[] = {"application/pdf", NULL};
+ return g_strdupv(mime);
+}
+
+static gboolean image_loader_pdf_close(gpointer loader, GError **error)
+{
+ return TRUE;
+}
+
+static void image_loader_pdf_abort(gpointer loader)
+{
+ ImageLoaderPDF *ld = (ImageLoaderPDF *) loader;
+ ld->abort = TRUE;
+}
+
+static void image_loader_pdf_free(gpointer loader)
+{
+ ImageLoaderPDF *ld = (ImageLoaderPDF *) loader;
+ if (ld->pixbuf) g_object_unref(ld->pixbuf);
+ g_free(ld);
+}
+
+void image_loader_backend_set_pdf(ImageLoaderBackend *funcs)
+{
+ funcs->loader_new = image_loader_pdf_new;
+ funcs->set_size = image_loader_pdf_set_size;
+ funcs->load = image_loader_pdf_load;
+ funcs->write = NULL;
+ funcs->get_pixbuf = image_loader_pdf_get_pixbuf;
+ funcs->close = image_loader_pdf_close;
+ funcs->abort = image_loader_pdf_abort;
+ funcs->free = image_loader_pdf_free;
+ funcs->get_format_name = image_loader_pdf_get_format_name;
+ funcs->get_format_mime_types = image_loader_pdf_get_format_mime_types;
+}
+
+#endif
+/* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */