1 files changed, 111 insertions, 0 deletions
diff --git a/app/widgets/gimpviewrenderervectors.c b/app/widgets/gimpviewrenderervectors.c
new file mode 100644
index 0000000..abdc722
--- /dev/null
+++ b/app/widgets/gimpviewrenderervectors.c
@@ -0,0 +1,111 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpviewrenderervectors.c
+ * Copyright (C) 2003 Michael Natterer <mitch@gimp.org>
+ *                    Simon Budig <simon@gimp.org>
+ *
+ * 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 3 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, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <gegl.h>
+#include <gtk/gtk.h>
+
+#include "libgimpmath/gimpmath.h"
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "widgets-types.h"
+
+#include "core/gimpimage.h"
+#include "core/gimpitem.h"
+
+#include "vectors/gimpstroke.h"
+#include "vectors/gimpvectors.h"
+
+#include "gimpviewrenderervectors.h"
+
+
+static void   gimp_view_renderer_vectors_draw (GimpViewRenderer *renderer,
+                                               GtkWidget        *widget,
+                                               cairo_t          *cr,
+                                               gint              available_width,
+                                               gint              available_height);
+
+
+G_DEFINE_TYPE (GimpViewRendererVectors, gimp_view_renderer_vectors,
+               GIMP_TYPE_VIEW_RENDERER)
+
+#define parent_class gimp_view_renderer_vectors_parent_class
+
+
+static void
+gimp_view_renderer_vectors_class_init (GimpViewRendererVectorsClass *klass)
+{
+  GimpViewRendererClass *renderer_class = GIMP_VIEW_RENDERER_CLASS (klass);
+
+  renderer_class->draw = gimp_view_renderer_vectors_draw;
+}
+
+static void
+gimp_view_renderer_vectors_init (GimpViewRendererVectors *renderer)
+{
+}
+
+static void
+gimp_view_renderer_vectors_draw (GimpViewRenderer *renderer,
+                                 GtkWidget        *widget,
+                                 cairo_t          *cr,
+                                 gint              available_width,
+                                 gint              available_height)
+{
+  GtkStyle             *style   = gtk_widget_get_style (widget);
+  GimpVectors          *vectors = GIMP_VECTORS (renderer->viewable);
+  const GimpBezierDesc *desc;
+
+  gdk_cairo_set_source_color (cr, &style->white);
+
+  cairo_translate (cr,
+                   (available_width  - renderer->width)  / 2,
+                   (available_height - renderer->height) / 2);
+  cairo_rectangle (cr, 0, 0, renderer->width, renderer->height);
+  cairo_clip_preserve (cr);
+  cairo_fill (cr);
+
+  desc = gimp_vectors_get_bezier (vectors);
+
+  if (desc)
+    {
+      gdouble xscale;
+      gdouble yscale;
+
+      xscale = ((gdouble) renderer->width /
+                (gdouble) gimp_item_get_width  (GIMP_ITEM (vectors)));
+      yscale = ((gdouble) renderer->height /
+                (gdouble) gimp_item_get_height (GIMP_ITEM (vectors)));
+
+      cairo_scale (cr, xscale, yscale);
+
+      /* determine line width */
+      xscale = yscale = 0.5;
+      cairo_device_to_user_distance (cr, &xscale, &yscale);
+
+      cairo_set_line_width (cr, MAX (xscale, yscale));
+      gdk_cairo_set_source_color (cr, &style->black);
+
+      cairo_append_path (cr, (cairo_path_t *) desc);
+      cairo_stroke (cr);
+    }
+}