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Diffstat (limited to 'qt5/src/ArthurOutputDev.h')
| -rw-r--r-- | qt5/src/ArthurOutputDev.h | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/qt5/src/ArthurOutputDev.h b/qt5/src/ArthurOutputDev.h new file mode 100644 index 00000000..9d5e8679 --- /dev/null +++ b/qt5/src/ArthurOutputDev.h @@ -0,0 +1,170 @@ +//======================================================================== +// +// 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. + virtual ~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.) + virtual GBool upsideDown() { return gTrue; } + + // Does this device use drawChar() or drawString()? + virtual GBool useDrawChar() { return gTrue; } + + // 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, XRef *xref); + + // End a page. + virtual void endPage(); + + //----- 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 void drawChar(GfxState *state, double x, double y, + double dx, double dy, + double originX, double originY, + CharCode code, int nBytes, Unicode *u, int uLen); + 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 interpolate, GBool inlineImg); + virtual void drawImage(GfxState *state, Object *ref, Stream *str, + int width, int height, GfxImageColorMap *colorMap, + GBool interpolate, 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; + 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 |