vcl/inc/quartz/salgdicommon.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   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:
  10  *
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  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 <iostream>
  24
  25 #include <premac.h>
  26 #ifdef IOS
  27 #include <CoreGraphics/CoreGraphics.h>
  28 #else
  29 #include <ApplicationServices/ApplicationServices.h>
  30 #endif
  31 #include <postmac.h>
  32
  33 #include <tools/color.hxx>
  34 #include <vcl/salgtype.hxx>
  35
  36 // abstracting quartz color instead of having to use a CGFloat[] array
  37 class RGBAColor
  38 {
  39 public:
  40     RGBAColor( ::Color );
  41     RGBAColor( float fRed, float fGreen, float fBlue, float fAlpha ); //NOTUSEDYET
  42     const CGFloat* AsArray() const { return m_fRGBA; }
  43     bool IsVisible() const { return m_fRGBA[3] > 0; }
  44     void SetAlpha( float fAlpha ) { m_fRGBA[3] = fAlpha; }
  45
  46     CGFloat GetRed() const   { return m_fRGBA[0]; }
  47     CGFloat GetGreen() const { return m_fRGBA[1]; }
  48     CGFloat GetBlue() const  { return m_fRGBA[2]; }
  49     CGFloat GetAlpha() const { return m_fRGBA[3]; }
  50 private:
  51     CGFloat m_fRGBA[4]; // red, green, blue, alpha
  52 };
  53
  54 inline RGBAColor::RGBAColor( ::Color nColor )
  55 {
  56     m_fRGBA[0] = nColor.GetRed() * (1.0/255);
  57     m_fRGBA[1] = nColor.GetGreen() * (1.0/255);
  58     m_fRGBA[2] = nColor.GetBlue() * (1.0/255);
  59     m_fRGBA[3] = 1.0; // opaque
  60 }
  61
  62 inline RGBAColor::RGBAColor( float fRed, float fGreen, float fBlue, float fAlpha )
  63 {
  64     m_fRGBA[0] = fRed;
  65     m_fRGBA[1] = fGreen;
  66     m_fRGBA[2] = fBlue;
  67     m_fRGBA[3] = fAlpha;
  68 }
  69
  70 inline std::ostream &operator <<(std::ostream& s, const RGBAColor &aColor)
  71 {
  72 #ifndef SAL_LOG_INFO
  73     (void) aColor;
  74 #else
  75     s << "{" << aColor.GetRed() << "," << aColor.GetGreen() << "," << aColor.GetBlue() << "," << aColor.GetAlpha() << "}";
  76 #endif
  77     return s;
  78 }
  79
  80 // XOR emulation suckage.
  81 // See http://www.openoffice.org/marketing/ooocon2008/programme/wednesday_1401.pdf
  82 // and https://bugs.freedesktop.org/show_bug.cgi?id=38844 .
  83
  84 class XorEmulation
  85 {
  86 public:
  87     XorEmulation();
  88     ~XorEmulation();
  89
  90     void SetTarget( int nWidth, int nHeight, int nBitmapDepth, CGContextRef, CGLayerRef );
  91     bool UpdateTarget();
  92     void Enable() { m_bIsEnabled = true; }
  93     void Disable() { m_bIsEnabled = false; }
  94     bool IsEnabled() const { return m_bIsEnabled; }
  95     CGContextRef GetTargetContext() const { return m_xTargetContext; }
  96     CGContextRef GetMaskContext() const { return (m_bIsEnabled ? m_xMaskContext : nullptr); }
  97
  98 private:
  99     CGLayerRef m_xTargetLayer;
 100     CGContextRef m_xTargetContext;
 101     CGContextRef m_xMaskContext;
 102     CGContextRef m_xTempContext;
 103     sal_uLong* m_pMaskBuffer;
 104     sal_uLong* m_pTempBuffer;
 105     int m_nBufferLongs;
 106     bool m_bIsEnabled;
 107 };
 108
 109 #endif // INCLUDED_VCL_INC_QUARTZ_SALGDICOMMON_HXX
 110
 111 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */