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//========================================================================
//
// ArthurOutputDev.h
//
// Copyright 2003 Glyph & Cog, LLC
//
//========================================================================
//========================================================================
//
// Modified under the Poppler project - http://poppler.freedesktop.org
//
// All changes made under the Poppler project to this file are licensed
// under GPL version 2 or later
//
// Copyright (C) 2005 Brad Hards <bradh@frogmouth.net>
// Copyright (C) 2005 Albert Astals Cid <aacid@kde.org>
// Copyright (C) 2009, 2011 Carlos Garcia Campos <carlosgc@gnome.org>
// Copyright (C) 2010 Pino Toscano <pino@kde.org>
// Copyright (C) 2011 Andreas Hartmetz <ahartmetz@gmail.com>
// Copyright (C) 2013 Thomas Freitag <Thomas.Freitag@alfa.de>
//
// To see a description of the changes please see the Changelog file that
// came with your tarball or type make ChangeLog if you are building from git
//
//========================================================================
#ifndef ARTHUROUTPUTDEV_H
#define ARTHUROUTPUTDEV_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;
class SplashFont;
class SplashFontEngine;
struct SplashGlyphBitmap;
//------------------------------------------------------------------------
// ArthurOutputDev - Qt 4 QPainter renderer
//------------------------------------------------------------------------
class ArthurOutputDev: public OutputDev {
public:
/**
* Describes how fonts are distorted (aka hinted) to fit the pixel grid.
* More hinting means sharper edges and less adherence to the true letter shapes.
*/
enum FontHinting {
NoHinting = 0, ///< Font shapes are left unchanged
SlightHinting, ///< Font shapes are distorted vertically only
FullHinting ///< Font shapes are distorted horizontally and vertically
};
// Constructor.
ArthurOutputDev(QPainter *painter );
// Destructor.
~ArthurOutputDev();
void setFontHinting(FontHinting hinting) { m_fontHinting = hinting; }
//----- 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.)
GBool upsideDown() override { return gTrue; }
// Does this device use drawChar() or drawString()?
GBool useDrawChar() override { return gTrue; }
// Does this device use beginType3Char/endType3Char? Otherwise,
// text in Type 3 fonts will be drawn with drawChar/drawString.
GBool interpretType3Chars() override { return gTrue; }
//----- initialization and control
// Start a page.
void startPage(int pageNum, GfxState *state, XRef *xref) override;
// End a page.
void endPage() override;
//----- save/restore graphics state
void saveState(GfxState *state) override;
void restoreState(GfxState *state) override;
//----- update graphics state
void updateAll(GfxState *state) override;
void updateCTM(GfxState *state, double m11, double m12,
double m21, double m22, double m31, double m32) override;
void updateLineDash(GfxState *state) override;
void updateFlatness(GfxState *state) override;
void updateLineJoin(GfxState *state) override;
void updateLineCap(GfxState *state) override;
void updateMiterLimit(GfxState *state) override;
void updateLineWidth(GfxState *state) override;
void updateFillColor(GfxState *state) override;
void updateStrokeColor(GfxState *state) override;
void updateFillOpacity(GfxState *state) override;
void updateStrokeOpacity(GfxState *state) override;
//----- update text state
void updateFont(GfxState *state) override;
//----- path painting
void stroke(GfxState *state) override;
void fill(GfxState *state) override;
void eoFill(GfxState *state) override;
//----- path clipping
void clip(GfxState *state) override;
void eoClip(GfxState *state) override;
//----- text drawing
// virtual void drawString(GfxState *state, GooString *s);
void drawChar(GfxState *state, double x, double y,
double dx, double dy,
double originX, double originY,
CharCode code, int nBytes, Unicode *u, int uLen) override;
GBool beginType3Char(GfxState *state, double x, double y,
double dx, double dy,
CharCode code, Unicode *u, int uLen) override;
void endType3Char(GfxState *state) override;
void endTextObject(GfxState *state) override;
//----- image drawing
void drawImageMask(GfxState *state, Object *ref, Stream *str,
int width, int height, GBool invert,
GBool interpolate, GBool inlineImg) override;
void drawImage(GfxState *state, Object *ref, Stream *str,
int width, int height, GfxImageColorMap *colorMap,
GBool interpolate, int *maskColors, GBool inlineImg) override;
//----- Type 3 font operators
void type3D0(GfxState *state, double wx, double wy) override;
void type3D1(GfxState *state, double wx, double wy,
double llx, double lly, double urx, double ury) override;
//----- 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;
FontHinting m_fontHinting;
QFont m_currentFont;
QPen m_currentPen;
QBrush m_currentBrush;
GBool m_needFontUpdate; // set when the font needs to be updated
SplashFontEngine *m_fontEngine;
SplashFont *m_font; // current font
XRef *xref; // xref table for current document
};
#endif
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