vcl/inc/quartz/salgdicommon.hxx

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   2 /*
   3  * This file is part of the LibreOffice project.
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   9  * This file incorporates work covered by the following license notice:
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  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_VCL_INC_QUARTZ_SALGDICOMMON_HXX
  21 #define INCLUDED_VCL_INC_QUARTZ_SALGDICOMMON_HXX
  22
  23 #include <premac.h>
  24 #ifdef IOS
  25 #include <CoreGraphics/CoreGraphics.h>
  26 #else
  27 #include <ApplicationServices/ApplicationServices.h>
  28 #endif
  29 #include <postmac.h>
  30
  31 #include <vcl/salgtype.hxx>
  32
  33 // abstracting quartz color instead of having to use an CGFloat[] array
  34 class RGBAColor
  35 {
  36 public:
  37     RGBAColor( SalColor );
  38     RGBAColor( float fRed, float fGreen, float fBlue, float fAlpha ); //NOTUSEDYET
  39     const CGFloat* AsArray() const { return m_fRGBA; }
  40     bool IsVisible() const { return m_fRGBA[3] > 0; }
  41     void SetAlpha( float fAlpha ) { m_fRGBA[3] = fAlpha; }
  42
  43     CGFloat GetRed() const   { return m_fRGBA[0]; }
  44     CGFloat GetGreen() const { return m_fRGBA[1]; }
  45     CGFloat GetBlue() const  { return m_fRGBA[2]; }
  46     CGFloat GetAlpha() const { return m_fRGBA[3]; }
  47 private:
  48     CGFloat m_fRGBA[4]; // red, green, blue, alpha
  49 };
  50
  51 inline RGBAColor::RGBAColor( SalColor nSalColor )
  52 {
  53     m_fRGBA[0] = SALCOLOR_RED(nSalColor) * (1.0/255);
  54     m_fRGBA[1] = SALCOLOR_GREEN(nSalColor) * (1.0/255);
  55     m_fRGBA[2] = SALCOLOR_BLUE(nSalColor) * (1.0/255);
  56     m_fRGBA[3] = 1.0; // opaque
  57 }
  58
  59 inline RGBAColor::RGBAColor( float fRed, float fGreen, float fBlue, float fAlpha )
  60 {
  61     m_fRGBA[0] = fRed;
  62     m_fRGBA[1] = fGreen;
  63     m_fRGBA[2] = fBlue;
  64     m_fRGBA[3] = fAlpha;
  65 }
  66
  67 class XorEmulation
  68 {
  69 public:
  70     XorEmulation();
  71     ~XorEmulation();
  72
  73     void SetTarget( int nWidth, int nHeight, int nBitmapDepth, CGContextRef, CGLayerRef );
  74     bool UpdateTarget();
  75     void Enable() { m_bIsEnabled = true; }
  76     void Disable() { m_bIsEnabled = false; }
  77     bool IsEnabled() const { return m_bIsEnabled; }
  78     CGContextRef GetTargetContext() const { return m_xTargetContext; }
  79     CGContextRef GetMaskContext() const { return (m_bIsEnabled ? m_xMaskContext : NULL); }
  80
  81 private:
  82     CGLayerRef m_xTargetLayer;
  83     CGContextRef m_xTargetContext;
  84     CGContextRef m_xMaskContext;
  85     CGContextRef m_xTempContext;
  86     sal_uLong* m_pMaskBuffer;
  87     sal_uLong* m_pTempBuffer;
  88     int m_nBufferLongs;
  89     bool m_bIsEnabled;
  90 };
  91
  92 #endif // INCLUDED_VCL_INC_QUARTZ_SALGDICOMMON_HXX