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office-gobmx/vcl/inc/unx/printergfx.hxx
Noel Grandin a2f1be46f2 sal_Char->char in vcl 
Change-Id: I4359b7042f98586e2c9f5529d83d769cdf3d033c
Reviewed-on: https://gerrit.libreoffice.org/85775
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2019-12-24 11:03:58 +01:00

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/* -*- 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: */
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