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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_WIN_SALBMP_H
#define INCLUDED_VCL_INC_WIN_SALBMP_H
#include <tools/gen.hxx>
#include <win/wincomp.hxx>
#include <salbmp.hxx>
#include <memory>
// - SalBitmap -
struct BitmapBuffer;
class BitmapColor;
class BitmapPalette;
class SalGraphics;
namespace Gdiplus { class Bitmap; }
typedef std::shared_ptr< Gdiplus::Bitmap > GdiPlusBmpPtr;
class WinSalBitmap : public SalBitmap
{
private:
friend class GdiPlusBuffer; // allow buffer to remove maGdiPlusBitmap and mpAssociatedAlpha eventually
Size maSize;
HGLOBAL mhDIB;
HBITMAP mhDDB;
// the buffered evtl. used Gdiplus::Bitmap instance. It is managed by
// GdiPlusBuffer. To make this safe, it is only handed out as shared
// pointer; the GdiPlusBuffer may delete the local instance.
// mpAssociatedAlpha holds the last WinSalBitmap used to construct an
// evtl. buffered GdiPlusBmp. This is needed since the GdiPlusBmp is a single
// instance and remembered only on the content-WinSalBitmap, not on the
// alpha-WinSalBitmap.
GdiPlusBmpPtr maGdiPlusBitmap;
const WinSalBitmap* mpAssociatedAlpha;
sal_uInt16 mnBitCount;
Gdiplus::Bitmap* ImplCreateGdiPlusBitmap(const WinSalBitmap& rAlphaSource);
Gdiplus::Bitmap* ImplCreateGdiPlusBitmap();
public:
HGLOBAL ImplGethDIB() const { return mhDIB; }
HBITMAP ImplGethDDB() const { return mhDDB; }
GdiPlusBmpPtr ImplGetGdiPlusBitmap(const WinSalBitmap* pAlphaSource = 0) const;
static HGLOBAL ImplCreateDIB( const Size& rSize, sal_uInt16 nBitCount, const BitmapPalette& rPal );
static HANDLE ImplCopyDIBOrDDB( HANDLE hHdl, bool bDIB );
static sal_uInt16 ImplGetDIBColorCount( HGLOBAL hDIB );
static void ImplDecodeRLEBuffer( const BYTE* pSrcBuf, BYTE* pDstBuf,
const Size& rSizePixel, bool bRLE4 );
public:
WinSalBitmap();
virtual ~WinSalBitmap();
public:
bool Create( HANDLE hBitmap, bool bDIB, bool bCopyHandle );
virtual bool Create( const Size& rSize, sal_uInt16 nBitCount, const BitmapPalette& rPal ) override;
virtual bool Create( const SalBitmap& rSalBmpImpl ) override;
virtual bool Create( const SalBitmap& rSalBmpImpl, SalGraphics* pGraphics ) override;
virtual bool Create( const SalBitmap& rSalBmpImpl, sal_uInt16 nNewBitCount ) override;
virtual bool Create( const css::uno::Reference< css::rendering::XBitmapCanvas >& rBitmapCanvas,
Size& rSize,
bool bMask = false ) override;
virtual void Destroy() override;
virtual Size GetSize() const override { return maSize; }
virtual sal_uInt16 GetBitCount() const override { return mnBitCount; }
virtual BitmapBuffer* AcquireBuffer( BitmapAccessMode nMode ) override;
virtual void ReleaseBuffer( BitmapBuffer* pBuffer, BitmapAccessMode nMode ) override;
virtual bool GetSystemData( BitmapSystemData& rData ) override;
virtual bool Scale( const double& rScaleX, const double& rScaleY, BmpScaleFlag nScaleFlag ) override;
virtual bool Replace( const Color& rSearchColor, const Color& rReplaceColor, sal_uLong nTol ) override;
};
#endif // INCLUDED_VCL_INC_WIN_SALBMP_H
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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