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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_WINTEXTRENDER_HXX
#define INCLUDED_VCL_INC_WINTEXTRENDER_HXX
#include <tools/rational.hxx>
#include <vcl/salgtype.hxx>
#include <vcl/sysdata.hxx>
#include <vcl/vclenum.hxx>
#include <vcl/metric.hxx>
#include "salgdi.hxx"
#include "salglyphid.hxx"
#include "fontsubset.hxx"
#include <textrender.hxx>
#include <win/salgdi.h>
class ImplLayoutArgs;
class ServerFontLayout;
class PhysicalFontCollection;
class PhysicalFontFace;
/// Implementation of the GDI text rendering.
class WinTextRender : public TextRenderImpl
{
/// Rendering for a printer?
bool mbPrinter;
/// Parent WinSalGraphics.
WinSalGraphics& mrGraphics;
HFONT mhFonts[ MAX_FALLBACK ]; ///< Font + Fallbacks
const ImplWinFontData* mpWinFontData[ MAX_FALLBACK ]; ///< pointer to the most recent font face
ImplWinFontEntry* mpWinFontEntry[ MAX_FALLBACK ]; ///< pointer to the most recent font instance
float mfFontScale[ MAX_FALLBACK ]; ///< allows metrics emulation of huge font sizes
float mfCurrentFontScale;
HFONT mhDefFont; ///< DefaultFont
LOGFONTA* mpLogFont; ///< LOG-Font which is currently selected (only W9x)
ImplFontAttrCache* mpFontAttrCache; ///< Cache font attributes from files in so/share/fonts
BYTE* mpFontCharSets; ///< All Charsets for the current font
BYTE mnFontCharSetCount; ///< Number of Charsets of the current font; 0 - if not queried
bool mbFontKernInit; ///< FALSE: FontKerns must be queried
KERNINGPAIR* mpFontKernPairs; ///< Kerning Pairs of the current Font
sal_uIntPtr mnFontKernPairCount; ///< Number of Kerning Pairs of the current Font
public:
WinTextRender(bool bPrinter, WinSalGraphics& rGraphics);
virtual ~WinTextRender();
virtual void SetTextColor(SalColor nSalColor) SAL_OVERRIDE;
virtual sal_uInt16 SetFont(FontSelectPattern*, int nFallbackLevel) SAL_OVERRIDE;
virtual void GetFontMetric(ImplFontMetricData*, int nFallbackLevel) SAL_OVERRIDE;
virtual const FontCharMapPtr GetFontCharMap() const SAL_OVERRIDE;
virtual bool GetFontCapabilities(vcl::FontCapabilities &rFontCapabilities) const SAL_OVERRIDE;
virtual void GetDevFontList(PhysicalFontCollection*) SAL_OVERRIDE;
virtual void ClearDevFontCache() SAL_OVERRIDE;
virtual bool AddTempDevFont(PhysicalFontCollection*, const OUString& rFileURL, const OUString& rFontName) SAL_OVERRIDE;
virtual bool CreateFontSubset(const OUString& rToFile,
const PhysicalFontFace*,
sal_GlyphId* pGlyphIDs,
sal_uInt8* pEncoding,
sal_Int32* pWidths,
int nGlyphs,
FontSubsetInfo& rInfo) SAL_OVERRIDE;
virtual const Ucs2SIntMap* GetFontEncodingVector(const PhysicalFontFace*, const Ucs2OStrMap** ppNonEncoded) SAL_OVERRIDE;
virtual const void* GetEmbedFontData(const PhysicalFontFace*,
const sal_Ucs* pUnicodes,
sal_Int32* pWidths,
FontSubsetInfo& rInfo,
long* pDataLen) SAL_OVERRIDE;
virtual void FreeEmbedFontData(const void* pData, long nDataLen) SAL_OVERRIDE;
virtual void GetGlyphWidths(const PhysicalFontFace*,
bool bVertical,
Int32Vector& rWidths,
Ucs2UIntMap& rUnicodeEnc) SAL_OVERRIDE;
virtual bool GetGlyphBoundRect(sal_GlyphId nIndex, Rectangle&) SAL_OVERRIDE;
virtual bool GetGlyphOutline(sal_GlyphId nIndex, ::basegfx::B2DPolyPolygon&) SAL_OVERRIDE;
virtual SalLayout* GetTextLayout(ImplLayoutArgs&, int nFallbackLevel) SAL_OVERRIDE;
virtual void DrawServerFontLayout(const ServerFontLayout&) SAL_OVERRIDE;
virtual SystemFontData GetSysFontData(int nFallbackLevel) const SAL_OVERRIDE;
private:
HDC getHDC() const;
/// Get kerning pairs of the current font.
sal_uLong GetKernPairs();
int GetMinKashidaWidth();
class ScopedFont
{
public:
explicit ScopedFont(WinTextRender & rData);
~ScopedFont();
private:
WinTextRender & m_rData;
HFONT m_hOrigFont;
};
};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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