sdext/source/pdfimport/inc/pdfihelper.hxx

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  31
  32 #ifndef INCLUDED_PDFI_HELPER_HXX
  33 #define INCLUDED_PDFI_HELPER_HXX
  34
  35 #include "contentsink.hxx"
  36
  37 #include <rtl/ustring.hxx>
  38 #include <rtl/math.h>
  39 #include <basegfx/matrix/b2dhommatrix.hxx>
  40 #include <basegfx/polygon/b2dpolypolygon.hxx>
  41 #include <basegfx/polygon/b2dpolygon.hxx>
  42 #include <com/sun/star/rendering/XColorSpace.hpp>
  43
  44 #include <vector>
  45 #include <hash_map>
  46
  47 // virtual resolution of the PDF OutputDev in dpi
  48 #define PDFI_OUTDEV_RESOLUTION 7200
  49
  50 namespace com { namespace sun { namespace star { namespace task
  51 { class XInteractionHandler; }}}}
  52
  53 namespace pdfi
  54 {
  55     typedef std::hash_map< rtl::OUString, rtl::OUString, rtl::OUStringHash > PropertyMap;
  56     typedef sal_Int32 ImageId;
  57
  58     /// What to do with a polygon. values can be ORed together
  59     enum PolygonAction { PATH_STROKE=1, PATH_FILL=2, PATH_EOFILL=4 };
  60
  61     rtl::OUString unitMMString( double fMM );
  62     rtl::OUString convertPixelToUnitString( double fPix );
  63
  64     inline double convPx2mm( double fPix )
  65     {
  66         const double px2mm = 25.4/PDFI_OUTDEV_RESOLUTION;
  67         fPix *= px2mm;
  68         return fPix;
  69     }
  70
  71     inline double convmm2Px( double fMM )
  72     {
  73         const double mm2px = PDFI_OUTDEV_RESOLUTION/25.4;
  74         fMM *= mm2px;
  75         return fMM;
  76     }
  77
  78     inline double convPx2mmPrec2( double fPix )
  79     {
  80         return rtl_math_round( convPx2mm( fPix ), 2, rtl_math_RoundingMode_Floor );
  81     }
  82
  83     /// Convert color to "#FEFEFE" color notation
  84     rtl::OUString getColorString( const ::com::sun::star::rendering::ARGBColor& );
  85
  86     struct FontAttrHash
  87     {
  88         size_t operator()(const FontAttributes& rFont ) const
  89         {
  90             return (size_t)rFont.familyName.hashCode()
  91                 ^  size_t(rFont.isBold ? 0xd47be593 : 0)
  92                 ^  size_t(rFont.isItalic ? 0x1efd51a1 : 0)
  93                 ^  size_t(rFont.isUnderline ? 0xf6bd325a : 0)
  94                 ^  size_t(rFont.isOutline ?  0x12345678 : 0)
  95                 ^  size_t(rFont.size)
  96                 ;
  97         }
  98     };
  99
 100     struct GraphicsContext
 101     {
 102         ::com::sun::star::rendering::ARGBColor     LineColor;
 103         ::com::sun::star::rendering::ARGBColor     FillColor;
 104         sal_Int8                                   LineJoin;
 105         sal_Int8                                   LineCap;
 106         sal_Int8                                   BlendMode;
 107         double                                     Flatness;
 108         double                                     LineWidth;
 109         double                                     MiterLimit;
 110         std::vector<double>                        DashArray;
 111         sal_Int32                                  FontId;
 112         sal_Int32                                  TextRenderMode;
 113         basegfx::B2DHomMatrix                      Transformation;
 114         basegfx::B2DPolyPolygon                    Clip;
 115
 116         GraphicsContext() :
 117             LineColor(),
 118             FillColor(),
 119             LineJoin(0),
 120             LineCap(0),
 121             BlendMode(0),
 122             Flatness(0.0),
 123             LineWidth(1.0),
 124             MiterLimit(10.0),
 125             DashArray(),
 126             FontId(0),
 127             TextRenderMode(0),
 128             Transformation(),
 129             Clip()
 130         {}
 131
 132         bool operator==(const GraphicsContext& rRight ) const
 133         {
 134             return LineColor.Red == rRight.LineColor.Red &&
 135                 LineColor.Green == rRight.LineColor.Green &&
 136                 LineColor.Blue == rRight.LineColor.Blue &&
 137                 LineColor.Alpha == rRight.LineColor.Alpha &&
 138                 FillColor.Red == rRight.FillColor.Red &&
 139                 FillColor.Green == rRight.FillColor.Green &&
 140                 FillColor.Blue == rRight.FillColor.Blue &&
 141                 FillColor.Alpha == rRight.FillColor.Alpha &&
 142                 LineJoin  == rRight.LineJoin &&
 143                 LineCap   == rRight.LineCap &&
 144                 BlendMode == rRight.BlendMode &&
 145                 LineWidth == rRight.LineWidth &&
 146                 Flatness == rRight.Flatness &&
 147                 MiterLimit == rRight.MiterLimit &&
 148                 DashArray == rRight.DashArray &&
 149                 FontId    == rRight.FontId &&
 150                 TextRenderMode == rRight.TextRenderMode &&
 151                 Transformation == rRight.Transformation &&
 152                 Clip == rRight.Clip;
 153         }
 154
 155         bool isRotatedOrSkewed() const
 156         { return Transformation.get( 0, 1 ) != 0.0 ||
 157                 Transformation.get( 1, 0 ) != 0.0; }
 158     };
 159
 160     struct GraphicsContextHash
 161     {
 162         size_t operator()(const GraphicsContext& rGC ) const
 163         {
 164             return size_t(rGC.LineColor.Red)
 165                 ^  size_t(rGC.LineColor.Green)
 166                 ^  size_t(rGC.LineColor.Blue)
 167                 ^  size_t(rGC.LineColor.Alpha)
 168                 ^  size_t(rGC.FillColor.Red)
 169                 ^  size_t(rGC.FillColor.Green)
 170                 ^  size_t(rGC.FillColor.Blue)
 171                 ^  size_t(rGC.FillColor.Alpha)
 172                 ^  size_t(rGC.LineJoin)
 173                 ^  size_t(rGC.LineCap)
 174                 ^  size_t(rGC.BlendMode)
 175                 ^  size_t(rGC.LineWidth)
 176                 ^  size_t(rGC.Flatness)
 177                 ^  size_t(rGC.MiterLimit)
 178                 ^  rGC.DashArray.size()
 179                 ^  size_t(rGC.FontId)
 180                 ^  size_t(rGC.TextRenderMode)
 181                 ^  size_t(rGC.Transformation.get( 0, 0 ))
 182                 ^  size_t(rGC.Transformation.get( 1, 0 ))
 183                 ^  size_t(rGC.Transformation.get( 0, 1 ))
 184                 ^  size_t(rGC.Transformation.get( 1, 1 ))
 185                 ^  size_t(rGC.Transformation.get( 0, 2 ))
 186                 ^  size_t(rGC.Transformation.get( 1, 2 ))
 187                 ^  size_t(rGC.Clip.count() ? rGC.Clip.getB2DPolygon(0).count() : 0)
 188                 ;
 189         }
 190     };
 191
 192     /** retrieve password from user
 193      */
 194     bool getPassword( const ::com::sun::star::uno::Reference<
 195                             ::com::sun::star::task::XInteractionHandler >& xHandler,
 196                       rtl::OUString&                                       rOutPwd,
 197                       bool                                                 bFirstTry );
 198 }
 199
 200 #define USTR(x) rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( x ) )
 201
 202 #endif