vcl/source/filter/ixpm/xpmread.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   9  * This file incorporates work covered by the following license notice:
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  12  *   contributor license agreements. See the NOTICE file distributed
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  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_VCL_SOURCE_FILTER_IXPM_XPMREAD_HXX
  21 #define INCLUDED_VCL_SOURCE_FILTER_IXPM_XPMREAD_HXX
  22
  23 #include <vcl/bitmap.hxx>
  24
  25 #ifdef _XPMPRIVATE
  26
  27 #define XPMTEMPBUFSIZE      0x00008000
  28 #define XPMSTRINGBUF        0x00008000
  29
  30 #define XPMIDENTIFIER       0x00000001          // mnIdentifier includes on of the six phases
  31 #define XPMDEFINITION       0x00000002          // the XPM format consists of
  32 #define XPMVALUES           0x00000003
  33 #define XPMCOLORS           0x00000004
  34 #define XPMPIXELS           0x00000005
  35 #define XPMEXTENSIONS       0x00000006
  36 #define XPMENDEXT           0x00000007
  37
  38 #define XPMREMARK           0x00000001          // defines used by mnStatus
  39 #define XPMDOUBLE           0x00000002
  40 #define XPMSTRING           0x00000004
  41 #define XPMFINISHED         0x00000008
  42
  43 #define XPMCASESENSITIVE    0x00000001
  44 #define XPMCASENONSENSITIVE 0x00000002
  45
  46 enum ReadState
  47 {
  48     XPMREAD_OK,
  49     XPMREAD_ERROR,
  50     XPMREAD_NEED_MORE
  51 };
  52
  53 class BitmapWriteAccess;
  54 class Graphic;
  55
  56 class XPMReader : public GraphicReader
  57 {
  58 private:
  59
  60     SvStream&           mrIStm;
  61     Bitmap              maBmp;
  62     BitmapWriteAccess*  mpAcc;
  63     Bitmap              maMaskBmp;
  64     BitmapWriteAccess*  mpMaskAcc;
  65     long                mnLastPos;
  66
  67     sal_uLong               mnWidth;
  68     sal_uLong               mnHeight;
  69     sal_uLong               mnColors;
  70     sal_uLong               mnCpp;                              // characters per pix
  71     bool                mbTransparent;
  72     bool                mbStatus;
  73     sal_uLong               mnStatus;
  74     sal_uLong               mnIdentifier;
  75     sal_uInt8               mcThisByte;
  76     sal_uInt8               mcLastByte;
  77     sal_uLong               mnTempAvail;
  78     sal_uInt8*              mpTempBuf;
  79     sal_uInt8*              mpTempPtr;
  80     sal_uInt8*              mpFastColorTable;
  81     sal_uInt8*              mpColMap;
  82     sal_uLong               mnStringSize;
  83     sal_uInt8*              mpStringBuf;
  84     sal_uLong               mnParaSize;
  85     sal_uInt8*              mpPara;
  86
  87     bool                    ImplGetString();
  88     bool                    ImplGetColor( sal_uLong );
  89     bool                    ImplGetScanLine( sal_uLong );
  90     bool                    ImplGetColSub( sal_uInt8* );
  91     bool                    ImplGetColKey( sal_uInt8 );
  92     void                    ImplGetRGBHex( sal_uInt8*, sal_uLong );
  93     bool                    ImplGetPara( sal_uLong numb );
  94     static bool             ImplCompare( sal_uInt8 const *, sal_uInt8 const *, sal_uLong, sal_uLong nmode = XPMCASENONSENSITIVE );
  95     sal_uLong               ImplGetULONG( sal_uLong nPara );
  96
  97 public:
  98                         XPMReader( SvStream& rStm );
  99     virtual             ~XPMReader();
 100
 101     ReadState           ReadXPM( Graphic& rGraphic );
 102 };
 103
 104 #endif // _XPMPRIVATE
 105
 106 bool ImportXPM( SvStream& rStream, Graphic& rGraphic );
 107
 108 #endif // INCLUDED_VCL_SOURCE_FILTER_IXPM_XPMREAD_HXX
 109
 110 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */