Laurent@714: #!/usr/bin/env python
Laurent@714: # -*- coding: utf-8 -*-
Laurent@714: 
Laurent@714: #This file is part of PLCOpenEditor, a library implementing an IEC 61131-3 editor
Laurent@714: #based on the plcopen standard. 
Laurent@714: #
Laurent@714: #Copyright (C) 2012: Edouard TISSERANT and Laurent BESSARD
Laurent@714: #
Laurent@714: #See COPYING file for copyrights details.
Laurent@714: #
Laurent@714: #This library is free software; you can redistribute it and/or
Laurent@714: #modify it under the terms of the GNU General Public
Laurent@714: #License as published by the Free Software Foundation; either
Laurent@714: #version 2.1 of the License, or (at your option) any later version.
Laurent@714: #
Laurent@714: #This library is distributed in the hope that it will be useful,
Laurent@714: #but WITHOUT ANY WARRANTY; without even the implied warranty of
Laurent@714: #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Laurent@714: #General Public License for more details.
Laurent@714: #
Laurent@714: #You should have received a copy of the GNU General Public
Laurent@714: #License along with this library; if not, write to the Free Software
Laurent@714: #Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
Laurent@714: 
Laurent@714: import os
Laurent@714: 
Laurent@714: import wx
Laurent@714: 
Laurent@714: #-------------------------------------------------------------------------------
Laurent@714: #                            Library Structures
Laurent@714: #-------------------------------------------------------------------------------
Laurent@714: 
Laurent@714: BitmapLibrary = {}
Laurent@714: BitmapFolders = []
Laurent@714: 
Laurent@714: #-------------------------------------------------------------------------------
Laurent@714: #                             Library Helpers
Laurent@714: #-------------------------------------------------------------------------------
Laurent@714: 
Laurent@714: def AddBitmapFolder(path):
Laurent@714:     if path not in BitmapFolders:
Laurent@714:         BitmapFolders.append(path)
Laurent@714: 
Laurent@714: def SearchBitmap(bmp_name):
Laurent@714:     for folder in BitmapFolders:
Laurent@714:         bmp_path = os.path.join(folder, bmp_name + ".png")
Laurent@714:         if os.path.isfile(bmp_path):
Laurent@714:             return wx.Bitmap(bmp_path)
Laurent@714:     return None
Laurent@714:     
Laurent@714: def GetBitmap(bmp_name1, bmp_name2=None, size=None):
Laurent@714:     bmp = BitmapLibrary.get((bmp_name1, bmp_name2, size))
Laurent@714:     if bmp is not None:
Laurent@714:         return bmp
Laurent@714:     
Laurent@714:     if bmp_name2 is None:
Laurent@714:         bmp = SearchBitmap(bmp_name1)
Laurent@714:     else:
Laurent@714:         # Bitmap with two icon
Laurent@714:         bmp1 = SearchBitmap(bmp_name1)
Laurent@714:         bmp2 = SearchBitmap(bmp_name2)
Laurent@714:         
Laurent@714:         if bmp1 is not None and bmp2 is not None:
Laurent@714:             # Calculate bitmap size
Laurent@714:             width = bmp1.GetWidth() + bmp2.GetWidth() - 1
Laurent@714:             height = max(bmp1.GetHeight(), bmp2.GetHeight())
Laurent@714:             
Laurent@714:             # Create bitmap with both icons
Laurent@714:             bmp = wx.EmptyBitmap(width, height)
Laurent@714:             dc = wx.MemoryDC()
Laurent@714:             dc.SelectObject(bmp)
Laurent@714:             dc.Clear()
Laurent@714:             dc.DrawBitmap(bmp1, 0, 0)
Laurent@714:             dc.DrawBitmap(bmp2, bmp1.GetWidth() - 1, 0)
Laurent@714:             dc.Destroy()
Laurent@714:         
Laurent@714:         elif bmp1 is not None:
Laurent@714:             bmp = bmp1
Laurent@714:         elif bmp2 is not None:
Laurent@714:             bmp = bmp2
Laurent@714:     
Laurent@714:     if bmp is not None:
Laurent@714:         BitmapLibrary[(bmp_name1, bmp_name2, size)] = bmp
Laurent@714:         
Laurent@714:     return bmp