Opacity setting

Also, reading adjustments from mypaint.

Signed-off-by: Manuel Quiñones <manuq@laptop.org>

1 files changed, 15 insertions, 0 deletions

diff --git a/drawing.py b/drawing.py
index ae1d057..7099f8e 100644
--- a/drawing.py
+++ b/drawing.py
@@ -37,6 +37,9 @@ class Drawing(gtk.HBox):
                     'color-changed': (gobject.SIGNAL_RUN_FIRST,
                                       gobject.TYPE_NONE,
                                       (gobject.TYPE_STRING,)),
+                    'opaque-changed': (gobject.SIGNAL_RUN_FIRST,
+                                       gobject.TYPE_NONE,
+                                       (gobject.TYPE_FLOAT,)),
                     'brush-changed': (gobject.SIGNAL_RUN_FIRST,
                                       gobject.TYPE_NONE,
                                       (gobject.TYPE_STRING,)),
@@ -56,6 +59,7 @@ class Drawing(gtk.HBox):
         self._settings = {
             'stroke color': (1.0, 0.0, 0.0),
             'stroke radius': 1.0,
+            'stroke opaque': 0.8,
             }
 
         self.set_brush('brush')
@@ -83,6 +87,12 @@ class Drawing(gtk.HBox):
     def get_stroke_radius(self):
         return self._settings['stroke radius']
 
+    def set_stroke_opaque(self, opaque):
+        self.update_settings({'stroke opaque': opaque})
+
+    def get_stroke_opaque(self):
+        return self._settings['stroke opaque']
+
     def get_settings(self):
         return self._settings
 
@@ -100,6 +110,11 @@ class Drawing(gtk.HBox):
                                            self._settings['stroke radius'])
                 self.emit('radius-changed', value)
 
+            elif key == 'stroke opaque':
+                self._brush.set_base_value('opaque',
+                                           self._settings['stroke opaque'])
+                self.emit('opaque-changed', value)
+
     def set_brush(self, brush_name):
         self.brush_name = brush_name
         string = open('brushes/%s.myb' % brush_name).read()