wxGUI/animation: fix legend placement

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@57753 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/animation/controller.py

@@ -382,8 +382,15 @@ class AnimationController(wx.EvtHandler):
         prov.Load()
         if animationData.legendCmd:
             try:
+                # place legend
+                x, y = 0.1, 0.1
                 bitmap = prov.LoadOverlay(animationData.legendCmd)
-                self.mapwindows[animationData.windowIndex].SetOverlay(bitmap)
+                for param in animationData.legendCmd:
+                    if param.startswith('at'):
+                        b, t, l, r = param.split('=')[1].split(',')
+                        x, y = float(l) / 100., 1 - float(t) / 100.
+                        break
+                self.mapwindows[animationData.windowIndex].SetOverlay(bitmap, x, y)
             except GException:
                 GError(message=_("Failed to display legend."))
 

gui/wxpython/animation/dialogs.py

@@ -535,7 +535,8 @@ class InputDialog(wx.Dialog):
                 self.animationData.legendCmd = self._tmpLegendCmd
         else:
             if self.legend.IsChecked():
-                self.animationData.legendCmd = ['d.legend', 'at=5,50,2,5', 
+                self.animationData.legendCmd = ['d.legend', 
+                                                'at=5,50,2,5',
                                                 'map=%s' % self._getLegendMapHint()]
 
         if self.threeDPanel.IsShown():

gui/wxpython/animation/mapwindow.py

@@ -24,7 +24,7 @@ import grass.script as grass
 from core.gcmd import RunCommand, GException
 from core.debug import Debug
 from core.settings import UserSettings
-from core.utils import _, CmdToTuple
+from core.utils import _, CmdToTuple, autoCropImageFromFile
 
 from grass.pydispatch.signal import Signal
 
@@ -150,22 +150,30 @@ class AnimationWindow(BufferedWindow):
         self.text = text
         self.UpdateDrawing()
 
-    def DrawOverlay(self):
+    def DrawOverlay(self, x, y):
         self._pdc.BeginDrawing()
         self._pdc.SetId(1)
-        self._pdc.DrawBitmap(bmp=self._overlay, x=0, y=0)
-        self._pdc.SetIdBounds(1, wx.Rect(0, 0, self._overlay.GetWidth(),
+        self._pdc.DrawBitmap(bmp=self._overlay, x=x, y=y)
+        self._pdc.SetIdBounds(1, wx.Rect(x, y, self._overlay.GetWidth(),
                                          self._overlay.GetHeight()))
         self._pdc.EndDrawing()
 
-    def SetOverlay(self, bitmap):
-        """!Sets overlay bitmap (legend)"""
+    def SetOverlay(self, bitmap, xperc, yperc):
+        """!Sets overlay bitmap (legend)
+
+        @param bitmap instance of wx.Bitmap
+        @param xperc x coordinate of bitmap top left corner in % of screen
+        @param yperc y coordinate of bitmap top left corner in % of screen
+        """
         Debug.msg(3, "AnimationWindow.SetOverlay()")
         if bitmap:
             if self._overlay:
                 self._pdc.RemoveAll()
             self._overlay = bitmap
-            self.DrawOverlay()
+            size = self.GetClientSize()
+            x = xperc * size[0]
+            y = yperc * size[1]
+            self.DrawOverlay(x, y)
         else:
             self._overlay = None
             self._pdc.RemoveAll()
@@ -480,8 +488,7 @@ class BitmapProvider(object):
         returncode, stdout, messages = read2_command(cmdTuple[0], **cmdTuple[1])
 
         if returncode == 0:
-            bitmap = wx.Bitmap(filename, wx.BITMAP_TYPE_PNG)
-            return bitmap
+            return wx.BitmapFromImage(autoCropImageFromFile(filename))
         else:
             os.remove(filename)
             raise GException(messages)