From b66d0f4fa4230fea32dbee8aedfeb213f75c1cf6 Mon Sep 17 00:00:00 2001
From: Manuel Quiñones <manuel.por.aca@gmail.com>
Date: Wed, 20 Apr 2011 20:40:40 +0000
Subject: Brush button shows stamp

---
(limited to 'Area.py')

diff --git a/Area.py b/Area.py
index 18984eb..9081fa7 100644
--- a/Area.py
+++ b/Area.py
@@ -630,7 +630,7 @@ class Area(gtk.DrawingArea):
                 self.d.heart(widget, coords, False, self.tool['fill'])
                 self.enableUndo(widget)
 
-        if self.tool['name'] in ['brush', 'eraser', 'rainbow', 'pencil']:
+        if self.tool['name'] in ['brush', 'eraser', 'stamp', 'rainbow', 'pencil']:
             self.last = []
             widget.queue_draw()
             self.enableUndo(widget)
@@ -651,6 +651,44 @@ class Area(gtk.DrawingArea):
             widget.queue_draw_area(self.x_cursor - size, self.y_cursor - size,
                 size * 2, size * 2)
 
+    def setupStamp(self):
+        """Prepare for stamping from the selected area.
+
+            @param  self -- the Area object (GtkDrawingArea)
+        """
+        logging.debug('Area.setupStamp(self)')
+        
+        if self.is_selected():
+            # Change stamp, get it from selection:
+            width, height = self.pixmap_sel.get_size()
+            self.pixbuf_stamp = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, False,
+                8, width, height)
+            self.pixbuf_stamp.get_from_drawable(self.pixmap_sel,
+                gtk.gdk.colormap_get_system(), 0, 0, 0, 0, width, height)
+            self.stamp_size = 0
+        
+        self.resizeStamp(self.tool['line size'])
+        return self.pixbuf_stamp
+    
+    def resizeStamp(self, size):
+        """Change stamping pixbuffer from the given size.
+        
+            @param  self -- the Area object (GtkDrawingArea)
+        """
+        try:
+            self.pixbuf_stamp
+        except:
+            logging.error('Area.resizeStamp(self) needs Area.setupStamp called first.')
+            return
+        
+        # Resize stamp to fit brush size as the width:
+        if self.stamp_size != size:
+            self.stamp_size = size
+            w = self.pixbuf_stamp.get_width()
+            h = self.pixbuf_stamp.get_height()
+            wr, hr = size, int(size * h * 1.0 / w)
+            self.resized_stamp = self.pixbuf_stamp.scale_simple(wr, hr, gtk.gdk.INTERP_HYPER)
+        
     def undo(self):
         """Undo the last drawing change.
 
@@ -1256,7 +1294,8 @@ class Area(gtk.DrawingArea):
             cursors = {'pencil': 'pencil',
                        'brush': 'paintbrush',
                        'eraser': 'eraser',
-                       'bucket': 'paint-bucket'}
+                       'bucket': 'paint-bucket',
+                       'stamp': 'pencil'}
 
             display = gtk.gdk.display_get_default()
             if self.tool['name'] in cursors:
--
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