Laurent@814: #!/usr/bin/env python
Laurent@814: # -*- coding: utf-8 -*-
Laurent@814: 
Laurent@814: #This file is part of PLCOpenEditor, a library implementing an IEC 61131-3 editor
Laurent@814: #based on the plcopen standard. 
Laurent@814: #
Laurent@814: #Copyright (C) 2012: Edouard TISSERANT and Laurent BESSARD
Laurent@814: #
Laurent@814: #See COPYING file for copyrights details.
Laurent@814: #
Laurent@814: #This library is free software; you can redistribute it and/or
Laurent@814: #modify it under the terms of the GNU General Public
Laurent@814: #License as published by the Free Software Foundation; either
Laurent@814: #version 2.1 of the License, or (at your option) any later version.
Laurent@814: #
Laurent@814: #This library is distributed in the hope that it will be useful,
Laurent@814: #but WITHOUT ANY WARRANTY; without even the implied warranty of
Laurent@814: #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Laurent@814: #General Public License for more details.
Laurent@814: #
Laurent@814: #You should have received a copy of the GNU General Public
Laurent@814: #License along with this library; if not, write to the Free Software
Laurent@814: #Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
Laurent@814: 
Laurent@814: import os
Laurent@814: 
Laurent@814: import wx
Laurent@814: 
Laurent@814: #-------------------------------------------------------------------------------
Laurent@814: #                            Library Structures
Laurent@814: #-------------------------------------------------------------------------------
Laurent@814: 
Laurent@814: BitmapLibrary = {}
Laurent@814: BitmapFolders = []
Laurent@814: 
Laurent@814: #-------------------------------------------------------------------------------
Laurent@814: #                             Library Helpers
Laurent@814: #-------------------------------------------------------------------------------
Laurent@814: 
Laurent@814: def AddBitmapFolder(path):
Laurent@814:     if path not in BitmapFolders:
Laurent@814:         BitmapFolders.append(path)
Laurent@814: 
Laurent@814: def SearchBitmap(bmp_name):
Laurent@814:     for folder in BitmapFolders:
Laurent@814:         bmp_path = os.path.join(folder, bmp_name + ".png")
Laurent@814:         if os.path.isfile(bmp_path):
Laurent@814:             return wx.Bitmap(bmp_path)
Laurent@814:     return None
Laurent@814:     
Laurent@814: def GetBitmap(bmp_name1, bmp_name2=None, size=None):
Laurent@814:     bmp = BitmapLibrary.get((bmp_name1, bmp_name2, size))
Laurent@814:     if bmp is not None:
Laurent@814:         return bmp
Laurent@814:     
Laurent@814:     if bmp_name2 is None:
Laurent@814:         bmp = SearchBitmap(bmp_name1)
Laurent@814:     else:
Laurent@814:         # Bitmap with two icon
Laurent@814:         bmp1 = SearchBitmap(bmp_name1)
Laurent@814:         bmp2 = SearchBitmap(bmp_name2)
Laurent@814:         
Laurent@814:         if bmp1 is not None and bmp2 is not None:
Laurent@814:             # Calculate bitmap size
Laurent@814:             width = bmp1.GetWidth() + bmp2.GetWidth() - 1
Laurent@814:             height = max(bmp1.GetHeight(), bmp2.GetHeight())
Laurent@814:             
Laurent@814:             # Create bitmap with both icons
Laurent@814:             bmp = wx.EmptyBitmap(width, height)
Laurent@814:             dc = wx.MemoryDC()
Laurent@814:             dc.SelectObject(bmp)
Laurent@814:             dc.Clear()
Laurent@814:             dc.DrawBitmap(bmp1, 0, 0)
Laurent@814:             dc.DrawBitmap(bmp2, bmp1.GetWidth() - 1, 0)
Laurent@814:             dc.Destroy()
Laurent@814:         
Laurent@814:         elif bmp1 is not None:
Laurent@814:             bmp = bmp1
Laurent@814:         elif bmp2 is not None:
Laurent@814:             bmp = bmp2
Laurent@814:     
Laurent@814:     if bmp is not None:
Laurent@814:         BitmapLibrary[(bmp_name1, bmp_name2, size)] = bmp
Laurent@814:         
Laurent@814:     return bmp