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| -rw-r--r-- | vcl/inc/unx/printergfx.hxx | 347 |
1 files changed, 347 insertions, 0 deletions
diff --git a/vcl/inc/unx/printergfx.hxx b/vcl/inc/unx/printergfx.hxx new file mode 100644 index 000000000..fcb8a9241 --- /dev/null +++ b/vcl/inc/unx/printergfx.hxx @@ -0,0 +1,347 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#ifndef INCLUDED_VCL_INC_GENERIC_PRINTERGFX_HXX +#define INCLUDED_VCL_INC_GENERIC_PRINTERGFX_HXX + +#include <osl/file.hxx> +#include <tools/gen.hxx> +#include <vcl/dllapi.h> +#include <vcl/glyphitem.hxx> + +#include <impglyphitem.hxx> + +#include <list> +#include <vector> + +enum class PolyFlags : sal_uInt8; + +namespace psp { + +struct JobData; + +/* + * lightweight container to handle RGB values + */ + +class PrinterColor +{ +public: + + enum ColorSpace { eInvalid, eRGB }; + +private: + + sal_uInt8 mnRed; + sal_uInt8 mnGreen; + sal_uInt8 mnBlue; + ColorSpace meColorspace; + +public: + + PrinterColor() + : mnRed(0) + , mnGreen(0) + , mnBlue(0) + , meColorspace(eInvalid) + {} + PrinterColor (sal_uInt16 nRed, sal_uInt16 nGreen, + sal_uInt16 nBlue) : + mnRed (nRed), + mnGreen (nGreen), + mnBlue (nBlue), + meColorspace (eRGB) + {} + PrinterColor (sal_uInt32 nRGB) : + mnRed ((nRGB & 0x00ff0000) >> 16), + mnGreen ((nRGB & 0x0000ff00) >> 8), + mnBlue ((nRGB & 0x000000ff) ), + meColorspace (eRGB) + {} + + bool Is () const + { return meColorspace != eInvalid; } + + sal_uInt16 GetRed () const + { return mnRed; } + sal_uInt16 GetGreen () const + { return mnGreen; } + sal_uInt16 GetBlue () const + { return mnBlue; } + bool operator== (const PrinterColor& aColor) const + { + return aColor.Is() && Is() + && mnRed == aColor.mnRed + && mnGreen == aColor.mnGreen + && mnBlue == aColor.mnBlue; + } + bool operator!= (const PrinterColor& aColor) const + { return ! (aColor==*this); } + + PrinterColor& operator= (sal_uInt32 nRGB) + { + meColorspace = eRGB; + mnBlue = (nRGB & 0x000000ff); + mnGreen = (nRGB & 0x0000ff00) >> 8; + mnRed = (nRGB & 0x00ff0000) >> 16; + + return *this; + } +}; + +class GlyphSet; +class PrinterJob; +class PrintFontManager; +struct CharacterMetric; + +/* + * Bitmap Interface, this has to be filled with your actual bitmap implementation + * sample implementations can be found in: + * psprint/workben/cui/pspdem.cxx + * vcl/unx/source/gdi/salgdi2.cxx + */ + +class PrinterBmp +{ +public: + + virtual ~PrinterBmp () = 0; + virtual sal_uInt32 GetPaletteColor (sal_uInt32 nIdx) const = 0; + virtual sal_uInt32 GetPaletteEntryCount () const = 0; + virtual sal_uInt32 GetPixelRGB (sal_uInt32 nRow, sal_uInt32 nColumn) const = 0; + virtual sal_uInt8 GetPixelGray (sal_uInt32 nRow, sal_uInt32 nColumn) const = 0; + virtual sal_uInt8 GetPixelIdx (sal_uInt32 nRow, sal_uInt32 nColumn) const = 0; + virtual sal_uInt32 GetDepth () const = 0; +}; + +enum class ImageType { + TrueColorImage, + MonochromeImage, + PaletteImage, + GrayScaleImage +}; + +/* + * printer raster operations + */ + +struct GraphicsStatus +{ + OString maFont; + rtl_TextEncoding maEncoding; + bool mbArtItalic; + bool mbArtBold; + sal_Int32 mnTextHeight; + sal_Int32 mnTextWidth; + PrinterColor maColor; + double mfLineWidth; + + GraphicsStatus(); +}; + +class PrinterGfx +{ +private: + + /* common settings */ + + double mfScaleX; + double mfScaleY; + + sal_uInt32 mnDpi; + sal_uInt16 mnDepth; + + sal_uInt16 mnPSLevel; + bool mbColor; + bool mbUploadPS42Fonts; + + osl::File* mpPageBody; + + /* text/font related data, for a type1 font it has to be checked + whether this font has already been downloaded. A TrueType font + will be converted into one or more Type3 fonts, containing glyphs + in no particular order. In addition to the existence of the + glyph in one of the subfonts, the mapping from unicode to the + glyph has to be remembered */ + + std::vector< GlyphSet > maPS3Font; + + sal_Int32 mnFontID; + sal_Int32 mnTextAngle; + bool mbTextVertical; + PrintFontManager& mrFontMgr; + + /* bitmap drawing implementation */ + + void DrawPS1GrayImage (const PrinterBmp& rBitmap, const tools::Rectangle& rArea); + void writePS2ImageHeader (const tools::Rectangle& rArea, psp::ImageType nType); + void writePS2Colorspace (const PrinterBmp& rBitmap, psp::ImageType nType); + void DrawPS2GrayImage (const PrinterBmp& rBitmap, const tools::Rectangle& rArea); + void DrawPS2PaletteImage (const PrinterBmp& rBitmap, const tools::Rectangle& rArea); + void DrawPS2TrueColorImage (const PrinterBmp& rBitmap, const tools::Rectangle& rArea); + void DrawPS2MonoImage (const PrinterBmp& rBitmap, const tools::Rectangle& rArea); + + /* clip region */ + + std::list< tools::Rectangle > maClipRegion; + bool JoinVerticalClipRectangles( std::list< tools::Rectangle >::iterator& it, + Point& aOldPoint, sal_Int32& nColumn ); + + /* color settings */ + PrinterColor maFillColor; + PrinterColor maTextColor; + PrinterColor maLineColor; + + /* graphics state */ + GraphicsStatus maVirtualStatus; + std::list< GraphicsStatus > maGraphicsStack; + GraphicsStatus& currentState() { return maGraphicsStack.front(); } + +public: + /* graphics status update */ + void PSSetColor (); + void PSSetLineWidth (); + void PSSetFont (); + + /* graphics status functions */ + void PSSetColor (const PrinterColor& rColor) + { maVirtualStatus.maColor = rColor; } + + void PSSetFont (const OString& rName, + rtl_TextEncoding nEncoding) + { maVirtualStatus.maFont = rName; maVirtualStatus.maEncoding = nEncoding; } + + /* graphics status stack */ + void PSGSave (); + void PSGRestore (); + + /* PS helpers */ + enum pspath_t { moveto = 0, lineto = 1 }; + void PSBinLineTo (const Point& rCurrent, Point& rOld, + sal_Int32& nColumn); + void PSBinMoveTo (const Point& rCurrent, Point& rOld, + sal_Int32& nColumn); + void PSBinStartPath (); + void PSBinEndPath (); + void PSBinCurrentPath (sal_uInt32 nPoints, const Point* pPath); + void PSBinPath (const Point& rCurrent, Point& rOld, + pspath_t eType, sal_Int32& nColumn); + + void PSRotate (sal_Int32 nAngle); + void PSTranslate (const Point& rPoint); + void PSMoveTo (const Point& rPoint); + void PSScale (double fScaleX, double fScaleY); + void PSLineTo(const Point& rPoint ); + void PSPointOp (const Point& rPoint, const char* pOperator); + void PSHexString (const unsigned char* pString, sal_Int16 nLen); + void PSShowGlyph (const unsigned char nGlyphId); + + void OnEndJob (); + void writeResources( osl::File* pFile, std::vector< OString >& rSuppliedFonts ); + PrintFontManager& GetFontMgr () { return mrFontMgr; } + + void drawGlyph(const Point& rPoint, + sal_GlyphId aGlyphId); +public: + PrinterGfx(); + ~PrinterGfx(); + void Init (PrinterJob &rPrinterSpec); + void Init (const JobData& rData); + void Clear(); + + // query depth + sal_uInt16 GetBitCount () const { return mnDepth;} + + // clip region + void ResetClipRegion (); + void BeginSetClipRegion(); + void UnionClipRegion (sal_Int32 nX, sal_Int32 nY, + sal_Int32 nDX, sal_Int32 nDY); + void EndSetClipRegion (); + + // set xy color + void SetLineColor (const PrinterColor& rLineColor = PrinterColor()) + { maLineColor = rLineColor; } + void SetFillColor (const PrinterColor& rFillColor = PrinterColor()) + { maFillColor = rFillColor; } + + // drawing primitives + void DrawPixel (const Point& rPoint, const PrinterColor& rPixelColor); + void DrawPixel (const Point& rPoint) + { DrawPixel (rPoint, maLineColor); } + void DrawLine (const Point& rFrom, const Point& rTo); + void DrawRect (const tools::Rectangle& rRectangle); + void DrawPolyLine (sal_uInt32 nPoints, const Point* pPath ); + void DrawPolygon (sal_uInt32 nPoints, const Point* pPath); + void DrawPolyPolygon (sal_uInt32 nPoly, + const sal_uInt32 *pPolygonSize, + const Point** pPolygonList); + void DrawPolyLineBezier (sal_uInt32 nPoints, + const Point* pPath, + const PolyFlags* pFlgAry ); + void DrawPolygonBezier (sal_uInt32 nPoints, + const Point* pPath, + const PolyFlags* pFlgAry); + void DrawPolyPolygonBezier (sal_uInt32 nPoly, + const sal_uInt32* pPoints, + const Point* const* pPtAry, + const PolyFlags* const* pFlgAry); + + // eps + bool DrawEPS ( const tools::Rectangle& rBoundingBox, void* pPtr, sal_uInt32 nSize); + + // image drawing + void DrawBitmap (const tools::Rectangle& rDest, const tools::Rectangle& rSrc, + const PrinterBmp& rBitmap); + + // font and text handling + void SetFont ( + sal_Int32 nFontID, + sal_Int32 nPointHeight, + sal_Int32 nPointWidth, + sal_Int32 nAngle, + bool bVertical, + bool bArtItalic, + bool bArtBold + ); + sal_Int32 GetFontID () const + { return mnFontID; } + bool GetFontVertical() const + { return mbTextVertical; } + sal_Int32 GetFontHeight () const + { return maVirtualStatus.mnTextHeight; } + sal_Int32 GetFontWidth () const + { return maVirtualStatus.mnTextWidth; } + bool GetArtificialItalic() const + { return maVirtualStatus.mbArtItalic; } + bool GetArtificialBold() const + { return maVirtualStatus.mbArtBold; } + void SetTextColor (PrinterColor const & rTextColor) + { maTextColor = rTextColor; } + + void DrawGlyph(const Point& rPoint, + const GlyphItem& rGlyph); + +}; + +} /* namespace psp */ + +#endif // INCLUDED_VCL_INC_GENERIC_PRINTERGFX_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |