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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 _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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