Adding upstream version 2.10.36.upstream/2.10.36

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 235 insertions, 0 deletions

diff --git a/app/display/gimpcanvaspassepartout.c b/app/display/gimpcanvaspassepartout.c
new file mode 100644
index 0000000..21e7307
--- /dev/null
+++ b/app/display/gimpcanvaspassepartout.c
@@ -0,0 +1,235 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpcanvaspassepartout.c
+ * Copyright (C) 2010 Sven Neumann <sven@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 "display-types.h"
+
+#include "gimpcanvas-style.h"
+#include "gimpcanvasitem-utils.h"
+#include "gimpcanvaspassepartout.h"
+#include "gimpdisplayshell.h"
+#include "gimpdisplayshell-scale.h"
+
+
+enum
+{
+  PROP_0,
+  PROP_OPACITY,
+};
+
+
+typedef struct _GimpCanvasPassePartoutPrivate GimpCanvasPassePartoutPrivate;
+
+struct _GimpCanvasPassePartoutPrivate
+{
+  gdouble opacity;
+};
+
+#define GET_PRIVATE(item) \
+        ((GimpCanvasPassePartoutPrivate *) gimp_canvas_passe_partout_get_instance_private ((GimpCanvasPassePartout *) (item)))
+
+
+/*  local function prototypes  */
+
+static void             gimp_canvas_passe_partout_set_property (GObject        *object,
+                                                                guint           property_id,
+                                                                const GValue   *value,
+                                                                GParamSpec     *pspec);
+static void             gimp_canvas_passe_partout_get_property (GObject        *object,
+                                                                guint           property_id,
+                                                                GValue         *value,
+                                                                GParamSpec     *pspec);
+static void             gimp_canvas_passe_partout_draw         (GimpCanvasItem *item,
+                                                                cairo_t        *cr);
+static cairo_region_t * gimp_canvas_passe_partout_get_extents  (GimpCanvasItem *item);
+static void             gimp_canvas_passe_partout_fill         (GimpCanvasItem *item,
+                                                                cairo_t        *cr);
+
+
+G_DEFINE_TYPE_WITH_PRIVATE (GimpCanvasPassePartout, gimp_canvas_passe_partout,
+                            GIMP_TYPE_CANVAS_RECTANGLE)
+
+#define parent_class gimp_canvas_passe_partout_parent_class
+
+
+static void
+gimp_canvas_passe_partout_class_init (GimpCanvasPassePartoutClass *klass)
+{
+  GObjectClass        *object_class = G_OBJECT_CLASS (klass);
+  GimpCanvasItemClass *item_class   = GIMP_CANVAS_ITEM_CLASS (klass);
+
+  object_class->set_property = gimp_canvas_passe_partout_set_property;
+  object_class->get_property = gimp_canvas_passe_partout_get_property;
+
+  item_class->draw           = gimp_canvas_passe_partout_draw;
+  item_class->get_extents    = gimp_canvas_passe_partout_get_extents;
+  item_class->fill           = gimp_canvas_passe_partout_fill;
+
+  g_object_class_install_property (object_class, PROP_OPACITY,
+                                   g_param_spec_double ("opacity", NULL, NULL,
+                                                        0.0,
+                                                        1.0, 0.5,
+                                                        GIMP_PARAM_READWRITE));
+}
+
+static void
+gimp_canvas_passe_partout_init (GimpCanvasPassePartout *passe_partout)
+{
+}
+
+static void
+gimp_canvas_passe_partout_set_property (GObject      *object,
+                                        guint         property_id,
+                                        const GValue *value,
+                                        GParamSpec   *pspec)
+{
+  GimpCanvasPassePartoutPrivate *priv = GET_PRIVATE (object);
+
+  switch (property_id)
+    {
+    case PROP_OPACITY:
+      priv->opacity = g_value_get_double (value);
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+      break;
+    }
+}
+
+static void
+gimp_canvas_passe_partout_get_property (GObject    *object,
+                                        guint       property_id,
+                                        GValue     *value,
+                                        GParamSpec *pspec)
+{
+  GimpCanvasPassePartoutPrivate *priv = GET_PRIVATE (object);
+
+  switch (property_id)
+    {
+    case PROP_OPACITY:
+      g_value_set_double (value, priv->opacity);
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+      break;
+    }
+}
+
+static void
+gimp_canvas_passe_partout_draw (GimpCanvasItem *item,
+                                cairo_t        *cr)
+{
+  GimpDisplayShell *shell = gimp_canvas_item_get_shell (item);
+  gint              x, y;
+  gint              w, h;
+
+  if (! gimp_display_shell_get_infinite_canvas (shell))
+    {
+      x = -shell->offset_x;
+      y = -shell->offset_y;
+
+      gimp_display_shell_scale_get_image_size (shell, &w, &h);
+    }
+  else
+    {
+      gimp_canvas_item_untransform_viewport (item, &x, &y, &w, &h);
+    }
+
+  cairo_rectangle (cr, x, y, w, h);
+
+  GIMP_CANVAS_ITEM_CLASS (parent_class)->draw (item, cr);
+}
+
+static cairo_region_t *
+gimp_canvas_passe_partout_get_extents (GimpCanvasItem *item)
+{
+  GimpDisplayShell      *shell = gimp_canvas_item_get_shell (item);
+  cairo_rectangle_int_t  rectangle;
+
+  if (! gimp_display_shell_get_infinite_canvas (shell))
+    {
+      cairo_region_t *inner;
+      cairo_region_t *outer;
+
+      rectangle.x = - shell->offset_x;
+      rectangle.y = - shell->offset_y;
+      gimp_display_shell_scale_get_image_size (shell,
+                                               &rectangle.width,
+                                               &rectangle.height);
+
+      outer = cairo_region_create_rectangle (&rectangle);
+
+      inner = GIMP_CANVAS_ITEM_CLASS (parent_class)->get_extents (item);
+
+      cairo_region_xor (outer, inner);
+
+      cairo_region_destroy (inner);
+
+      return outer;
+    }
+  else
+    {
+      gimp_canvas_item_untransform_viewport (item,
+                                             &rectangle.x,
+                                             &rectangle.y,
+                                             &rectangle.width,
+                                             &rectangle.height);
+
+      return cairo_region_create_rectangle (&rectangle);
+    }
+}
+
+static void
+gimp_canvas_passe_partout_fill (GimpCanvasItem *item,
+                                cairo_t        *cr)
+{
+  GimpCanvasPassePartoutPrivate *priv = GET_PRIVATE (item);
+
+  cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD);
+  cairo_clip (cr);
+
+  gimp_canvas_set_passe_partout_style (gimp_canvas_item_get_canvas (item), cr);
+  cairo_paint_with_alpha (cr, priv->opacity);
+}
+
+GimpCanvasItem *
+gimp_canvas_passe_partout_new (GimpDisplayShell *shell,
+                               gdouble           x,
+                               gdouble           y,
+                               gdouble           width,
+                               gdouble           height)
+{
+  g_return_val_if_fail (GIMP_IS_DISPLAY_SHELL (shell), NULL);
+
+  return g_object_new (GIMP_TYPE_CANVAS_PASSE_PARTOUT,
+                       "shell", shell,
+                       "x",      x,
+                       "y",      y,
+                       "width",  width,
+                       "height", height,
+                       "filled", TRUE,
+                       NULL);
+}