rosapps/smartpdf/poppler/poppler/ArthurOutputDev.h

   1 //========================================================================
   2 //
   3 // ArthurOutputDev.h
   4 //
   5 // Copyright 2003 Glyph & Cog, LLC
   6 // Copyright 2004 Red Hat, INC
   7 //
   8 //========================================================================
   9
  10 #ifndef CAIROOUTPUTDEV_H
  11 #define CAIROOUTPUTDEV_H
  12
  13 #ifdef USE_GCC_PRAGMAS
  14 #pragma interface
  15 #endif
  16
  17 #include "goo/gtypes.h"
  18 #include "OutputDev.h"
  19 #include "GfxState.h"
  20
  21 #include <QtGui/QPainter>
  22
  23 class GfxState;
  24 class GfxPath;
  25 class Gfx8BitFont;
  26 struct GfxRGB;
  27
  28 class SplashFont;
  29 class SplashFontEngine;
  30 class SplashGlyphBitmap;
  31
  32 //------------------------------------------------------------------------
  33 // ArthurOutputDev - Qt 4 QPainter renderer
  34 //------------------------------------------------------------------------
  35
  36 class ArthurOutputDev: public OutputDev {
  37 public:
  38
  39   // Constructor.
  40   ArthurOutputDev(QPainter *painter );
  41
  42   // Destructor.
  43   virtual ~ArthurOutputDev();
  44
  45   //----- get info about output device
  46
  47   // Does this device use upside-down coordinates?
  48   // (Upside-down means (0,0) is the top left corner of the page.)
  49   virtual GBool upsideDown() { return gTrue; }
  50
  51   // Does this device use drawChar() or drawString()?
  52   virtual GBool useDrawChar() { return gTrue; }
  53
  54   // Does this device use beginType3Char/endType3Char?  Otherwise,
  55   // text in Type 3 fonts will be drawn with drawChar/drawString.
  56   virtual GBool interpretType3Chars() { return gTrue; }
  57
  58   //----- initialization and control
  59
  60   // Start a page.
  61   virtual void startPage(int pageNum, GfxState *state);
  62
  63   // End a page.
  64   virtual void endPage();
  65
  66   //----- link borders
  67   virtual void drawLink(Link *link, Catalog *catalog);
  68
  69   //----- save/restore graphics state
  70   virtual void saveState(GfxState *state);
  71   virtual void restoreState(GfxState *state);
  72
  73   //----- update graphics state
  74   virtual void updateAll(GfxState *state);
  75   virtual void updateCTM(GfxState *state, double m11, double m12,
  76                          double m21, double m22, double m31, double m32);
  77   virtual void updateLineDash(GfxState *state);
  78   virtual void updateFlatness(GfxState *state);
  79   virtual void updateLineJoin(GfxState *state);
  80   virtual void updateLineCap(GfxState *state);
  81   virtual void updateMiterLimit(GfxState *state);
  82   virtual void updateLineWidth(GfxState *state);
  83   virtual void updateFillColor(GfxState *state);
  84   virtual void updateStrokeColor(GfxState *state);
  85   virtual void updateFillOpacity(GfxState *state);
  86   virtual void updateStrokeOpacity(GfxState *state);
  87
  88   //----- update text state
  89   virtual void updateFont(GfxState *state);
  90
  91   //----- path painting
  92   virtual void stroke(GfxState *state);
  93   virtual void fill(GfxState *state);
  94   virtual void eoFill(GfxState *state);
  95
  96   //----- path clipping
  97   virtual void clip(GfxState *state);
  98   virtual void eoClip(GfxState *state);
  99
 100   //----- text drawing
 101   //   virtual void drawString(GfxState *state, GooString *s);
 102   virtual void drawChar(GfxState *state, double x, double y,
 103                         double dx, double dy,
 104                         double originX, double originY,
 105                         CharCode code, int nBytes, Unicode *u, int uLen);
 106   virtual GBool beginType3Char(GfxState *state, double x, double y,
 107                                double dx, double dy,
 108                                CharCode code, Unicode *u, int uLen);
 109   virtual void endType3Char(GfxState *state);
 110   virtual void endTextObject(GfxState *state);
 111
 112   //----- image drawing
 113   virtual void drawImageMask(GfxState *state, Object *ref, Stream *str,
 114                              int width, int height, GBool invert,
 115                              GBool inlineImg);
 116   virtual void drawImage(GfxState *state, Object *ref, Stream *str,
 117                          int width, int height, GfxImageColorMap *colorMap,
 118                          int *maskColors, GBool inlineImg);
 119
 120   //----- Type 3 font operators
 121   virtual void type3D0(GfxState *state, double wx, double wy);
 122   virtual void type3D1(GfxState *state, double wx, double wy,
 123                        double llx, double lly, double urx, double ury);
 124
 125   //----- special access
 126
 127   // Called to indicate that a new PDF document has been loaded.
 128   void startDoc(XRef *xrefA);
 129
 130   GBool isReverseVideo() { return gFalse; }
 131
 132 private:
 133   QPainter *m_painter;
 134   QFont m_currentFont;
 135   QPen m_currentPen;
 136   QBrush m_currentBrush;
 137   GBool m_needFontUpdate;               // set when the font needs to be updated
 138   QImage *m_image;
 139   SplashFontEngine *m_fontEngine;
 140   SplashFont *m_font;           // current font
 141   XRef *xref;                   // xref table for current document
 142 };
 143
 144 #endif