Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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: */