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//========================================================================
//
// ArthurOutputDev.h
//
// Copyright 2003 Glyph & Cog, LLC
// Copyright 2004 Red Hat, INC
//
//========================================================================
#ifndef CAIROOUTPUTDEV_H
#define CAIROOUTPUTDEV_H
#ifdef USE_GCC_PRAGMAS
#pragma interface
#endif
#include "goo/gtypes.h"
#include "OutputDev.h"
#include "GfxState.h"
#include <QtGui/QPainter>
class GfxState;
class GfxPath;
class Gfx8BitFont;
struct GfxRGB;
//------------------------------------------------------------------------
// ArthurOutputDev - Qt 4 QPainter renderer
//------------------------------------------------------------------------
class ArthurOutputDev: public OutputDev {
public:
// Constructor.
ArthurOutputDev(QPainter *painter );
// Destructor.
virtual ~ArthurOutputDev();
//----- get info about output device
// Does this device use upside-down coordinates?
// (Upside-down means (0,0) is the top left corner of the page.)
virtual GBool upsideDown() { return gTrue; }
// Does this device use drawChar() or drawString()?
virtual GBool useDrawChar() { return gFalse; }
// Does this device use beginType3Char/endType3Char? Otherwise,
// text in Type 3 fonts will be drawn with drawChar/drawString.
virtual GBool interpretType3Chars() { return gTrue; }
//----- initialization and control
// Start a page.
virtual void startPage(int pageNum, GfxState *state);
// End a page.
virtual void endPage();
//----- link borders
virtual void drawLink(Link *link, Catalog *catalog);
//----- save/restore graphics state
virtual void saveState(GfxState *state);
virtual void restoreState(GfxState *state);
//----- update graphics state
virtual void updateAll(GfxState *state);
virtual void updateCTM(GfxState *state, double m11, double m12,
double m21, double m22, double m31, double m32);
virtual void updateLineDash(GfxState *state);
virtual void updateFlatness(GfxState *state);
virtual void updateLineJoin(GfxState *state);
virtual void updateLineCap(GfxState *state);
virtual void updateMiterLimit(GfxState *state);
virtual void updateLineWidth(GfxState *state);
virtual void updateFillColor(GfxState *state);
virtual void updateStrokeColor(GfxState *state);
virtual void updateFillOpacity(GfxState *state);
virtual void updateStrokeOpacity(GfxState *state);
//----- update text state
virtual void updateFont(GfxState *state);
//----- path painting
virtual void stroke(GfxState *state);
virtual void fill(GfxState *state);
virtual void eoFill(GfxState *state);
//----- path clipping
virtual void clip(GfxState *state);
virtual void eoClip(GfxState *state);
//----- text drawing
virtual void drawString(GfxState *state, GooString *s);
virtual GBool beginType3Char(GfxState *state, double x, double y,
double dx, double dy,
CharCode code, Unicode *u, int uLen);
virtual void endType3Char(GfxState *state);
virtual void endTextObject(GfxState *state);
//----- image drawing
virtual void drawImageMask(GfxState *state, Object *ref, Stream *str,
int width, int height, GBool invert,
GBool inlineImg);
virtual void drawImage(GfxState *state, Object *ref, Stream *str,
int width, int height, GfxImageColorMap *colorMap,
int *maskColors, GBool inlineImg);
//----- Type 3 font operators
virtual void type3D0(GfxState *state, double wx, double wy);
virtual void type3D1(GfxState *state, double wx, double wy,
double llx, double lly, double urx, double ury);
//----- special access
// Called to indicate that a new PDF document has been loaded.
void startDoc(XRef *xrefA);
GBool isReverseVideo() { return gFalse; }
private:
QPainter *m_painter;
QFont m_currentFont;
QPen m_currentPen;
QBrush m_currentBrush;
GBool m_needFontUpdate; // set when the font needs to be updated
QImage *m_image;
};
#endif
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