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plfilterresizebilinear.cpp

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00001 /*
00002 /--------------------------------------------------------------------
00003 |
00004 |      $Id: plfilterresizebilinear.cpp,v 1.1 2004/05/21 21:02:53 maxx Exp $
00005 |
00006 |      Copyright (c) 1996-1998 Ulrich von Zadow
00007 |
00008 \--------------------------------------------------------------------
00009 */
00010 
00011 #include "plstdpch.h"
00012 #include "plfilterresizebilinear.h"
00013 #include "pl2passscale.h"
00014 #include "plbitmap.h"
00015 
00016 
00017 PLFilterResizeBilinear::PLFilterResizeBilinear (int NewXSize, int NewYSize)
00018   : PLFilterResize (NewXSize, NewYSize)
00019 {
00020 }
00021 
00022 void PLFilterResizeBilinear::Apply(PLBmp * pBmpSource, PLBmp * pBmpDest) const
00023 {
00024   PLASSERT(pBmpSource->GetBitsPerPixel()==32);
00025 
00026   // Create a new Bitmap 
00027   pBmpDest->Create(m_NewXSize,
00028                    m_NewYSize,
00029                    pBmpSource->GetBitsPerPixel(),
00030                    pBmpSource->HasAlpha(), 
00031                    pBmpSource->GetResolution());
00032                      
00033   // Create a Filter Class from template
00034   PLBilinearContribDef f(0.64);
00035   C2PassScale <CDataRGBA_UBYTE> sS(f);
00036   sS.Scale ((CDataRGBA_UBYTE::_RowType *) pBmpSource->GetLineArray(), 
00037              pBmpSource->GetWidth(), 
00038              pBmpSource->GetHeight(), 
00039              (CDataRGBA_UBYTE::_RowType *) pBmpDest->GetLineArray(),
00040              pBmpDest->GetWidth(),
00041              pBmpDest->GetHeight());
00042 }
00043 
00044 /*
00045 /--------------------------------------------------------------------
00046 |
00047 |      $Log: plfilterresizebilinear.cpp,v $
00048 |      Revision 1.1  2004/05/21 21:02:53  maxx
00049 |      Initial Version of vuVolume, moderatly changed to make it compile on my windows and linux machine.
00050 |
00051 |      Revision 1.1  2002/11/13 01:59:48  mspindle
00052 |      *** empty log message ***
00053 |
00054 |      Revision 1.5  2001/10/16 17:12:27  uzadow
00055 |      Added support for resolution information (Luca Piergentili)
00056 |
00057 |      Revision 1.4  2001/10/03 14:00:29  uzadow
00058 |      Much improved quality in FilterResizeBilinear.
00059 |
00060 |      Revision 1.3  2001/09/30 16:57:25  uzadow
00061 |      Improved speed of 2passfilter.h, code readability changes.
00062 |
00063 |      Revision 1.2  2001/09/16 20:57:17  uzadow
00064 |      Linux version name prefix changes
00065 |
00066 |      Revision 1.1  2001/09/16 19:03:23  uzadow
00067 |      Added global name prefix PL, changed most filenames.
00068 |
00069 |      Revision 1.5  2001/01/15 15:05:31  uzadow
00070 |      Added PLBmp::ApplyFilter() and PLBmp::CreateFilteredCopy()
00071 |
00072 |      Revision 1.4  2000/01/16 20:43:15  anonymous
00073 |      Removed MFC dependencies
00074 |
00075 |      Revision 1.3  1999/12/08 16:31:40  Ulrich von Zadow
00076 |      Unix compatibility
00077 |
00078 |      Revision 1.2  1999/12/08 15:39:46  Ulrich von Zadow
00079 |      Unix compatibility changes
00080 |
00081 |      Revision 1.1  1999/10/21 16:05:18  Ulrich von Zadow
00082 |      Moved filters to separate directory. Added Crop, Grayscale and
00083 |      GetAlpha filters.
00084 |
00085 |      Revision 1.1  1999/10/19 21:29:45  Ulrich von Zadow
00086 |      Added filters.
00087 |
00088 |
00089 \--------------------------------------------------------------------
00090 */

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