1 files changed, 69 insertions, 0 deletions
diff --git a/src/ui/cache/svg_preview_cache.h b/src/ui/cache/svg_preview_cache.h
new file mode 100644
index 0000000..9006eb4
--- /dev/null
+++ b/src/ui/cache/svg_preview_cache.h
@@ -0,0 +1,69 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/** @file
+ * @brief Preview cache
+ */
+/*
+ * Copyright (C) 2007 Bryce W. Harrington <bryce@bryceharrington.org>
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#ifndef SEEN_INKSCAPE_UI_SVG_PREVIEW_CACHE_H
+#define SEEN_INKSCAPE_UI_SVG_PREVIEW_CACHE_H
+
+#include <map>
+#include <gdk-pixbuf/gdk-pixbuf.h>
+#include <glibmm/ustring.h>
+#include <2geom/rect.h>
+#include <2geom/int-point.h>
+
+namespace Inkscape {
+
+class Drawing;
+class DrawingItem;
+
+} // namespace Inkscape
+
+
+cairo_surface_t* render_surface(Inkscape::Drawing &drawing, double scale_factor, const Geom::Rect& dbox,
+    Geom::IntPoint pixsize, double device_scale, const guint32* checkerboard_color, bool no_clip);
+
+GdkPixbuf* render_pixbuf(Inkscape::Drawing &drawing, double scale_factor, const Geom::Rect& dbox, unsigned psize);
+
+namespace Inkscape {
+namespace UI {
+namespace Cache {
+
+class SvgPreview {
+ protected:
+    std::map<Glib::ustring, GdkPixbuf*>   _pixmap_cache;
+
+ public:
+    SvgPreview();
+    ~SvgPreview();
+
+    Glib::ustring cache_key(gchar const *uri, gchar const *name, unsigned psize) const;
+    GdkPixbuf*    get_preview_from_cache(const Glib::ustring& key);
+    void          set_preview_in_cache(const Glib::ustring& key, GdkPixbuf* px);
+    GdkPixbuf*    get_preview(const gchar* uri, const gchar* id, Inkscape::DrawingItem *root, double scale_factor, unsigned int psize);
+    void          remove_preview_from_cache(const Glib::ustring& key);
+};
+
+}; // namespace Cache
+}; // namespace UI
+}; // namespace Inkscape
+
+
+
+#endif // SEEN_INKSCAPE_UI_SVG_PREVIEW_CACHE_H
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :
+
+