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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef _VCL_IOS_SALGDICOMMON_H
#define _VCL_IOS_SALGDICOMMON_H
// abstracting quartz color instead of having to use an CGFloat[] array
class RGBAColor
{
public:
RGBAColor( SalColor );
RGBAColor( float fRed, float fGreen, float fBlue, float fAlpha ); //NOTUSEDYET
const float* AsArray() const { return &m_fRed; }
bool IsVisible() const { return m_fAlpha > 0; }
void SetAlpha( float fAlpha ) { m_fAlpha = fAlpha; }
private:
float m_fRed, m_fGreen, m_fBlue, m_fAlpha;
};
inline RGBAColor::RGBAColor( SalColor nSalColor )
: m_fRed( SALCOLOR_RED(nSalColor) * (1.0/255))
, m_fGreen( SALCOLOR_GREEN(nSalColor) * (1.0/255))
, m_fBlue( SALCOLOR_BLUE(nSalColor) * (1.0/255))
, m_fAlpha( 1.0 ) // opaque
{}
inline RGBAColor::RGBAColor( float fRed, float fGreen, float fBlue, float fAlpha )
: m_fRed( fRed )
, m_fGreen( fGreen )
, m_fBlue( fBlue )
, m_fAlpha( fAlpha )
{}
class XorEmulation
{
public:
XorEmulation();
~XorEmulation();
void SetTarget( int nWidth, int nHeight, int nBitmapDepth, CGContextRef, CGLayerRef );
bool UpdateTarget();
void Enable() { m_bIsEnabled = true; }
void Disable() { m_bIsEnabled = false; }
bool IsEnabled() const { return m_bIsEnabled; }
CGContextRef GetTargetContext() const { return m_xTargetContext; }
CGContextRef GetMaskContext() const { return (m_bIsEnabled ? m_xMaskContext : NULL); }
private:
CGLayerRef m_xTargetLayer;
CGContextRef m_xTargetContext;
CGContextRef m_xMaskContext;
CGContextRef m_xTempContext;
sal_uLong* m_pMaskBuffer;
sal_uLong* m_pTempBuffer;
int m_nBufferLongs;
bool m_bIsEnabled;
};
#endif /* _VCL_IOS_SALGDICOMMON_H */
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