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module dmagick.c.magickType;

import dmagick.c.magickVersion;

extern (C)
{
	version(Quantum8)
	{
		alias ubyte  Quantum;
		alias double MagickRealType;

		enum MAGICKCORE_QUANTUM_DEPTH = 8;
		enum QuantumRange = Quantum.max;
		enum MaxColormapSize = 256;
		enum MagickEpsilon = 1.0e-6;
		enum MagickHuge    = 1.0e6;
	}
	else version(Quantum32)
	{
		alias uint   Quantum;
		alias double MagickRealType;

		enum MAGICKCORE_QUANTUM_DEPTH = 32;
		enum QuantumRange = Quantum.max;
		enum MaxColormapSize = 65536;
		enum MagickEpsilon = 1.0e-10;
		enum MagickHuge    = 1.0e12;
	}
	else version(Quantum64)
	{
		alias double Quantum;
		//real seems to be the same size as long double for
		//dmc and dmd on windows and for dmd and gcc on linux. 
		alias real MagickRealType;

		enum MAGICKCORE_QUANTUM_DEPTH = 64;
		enum QuantumRange = 18446744073709551615.0;
		enum MaxColormapSize = 65536;
		enum MagickEpsilon = 1.0e-10;
		enum MagickHuge = 1.0e12;
	}
	else
	{
		alias ushort Quantum;
		alias double MagickRealType;

		enum MAGICKCORE_QUANTUM_DEPTH = 16;
		enum QuantumRange = Quantum.max;
		enum MaxColormapSize = 65536;
		enum MagickEpsilon = 1.0e-10;
		enum MagickHuge    = 1.0e12;
	}

	alias uint  MagickStatusType;
	alias long  MagickOffsetType;
	alias ulong MagickSizeType;
	alias int   MagickBooleanType;

	alias MagickSizeType  QuantumAny;
	alias QuantumRange    TransparentOpacity;
	alias MaxColormapSize MaxMap;

	alias MAGICKCORE_QUANTUM_DEPTH MagickQuantumDepth;

	enum MaxTextExtent = 4096;
	enum OpaqueOpacity = 0;

	mixin(
	{
		string channels = "enum ChannelType
		{
			UndefinedChannel,
			RedChannel        = 0x0001,
			GrayChannel       = 0x0001,
			CyanChannel       = 0x0001,
			GreenChannel      = 0x0002,
			MagentaChannel    = 0x0002,
			BlueChannel       = 0x0004,
			YellowChannel     = 0x0004,
			AlphaChannel      = 0x0008,
			OpacityChannel    = 0x0008,
			MatteChannel      = 0x0008,  // deprecated
			BlackChannel      = 0x0020,
			IndexChannel      = 0x0020,
			CompositeChannels = 0x002F,";

			static if ( MagickLibVersion < 0x670 )
			{
				channels ~= "AllChannels = 0x002F,";
			}
			else static if ( MagickLibVersion == 0x670 )
			{
				channels ~= "AllChannels       =   ~0UL,";
			}
			else static if ( MagickLibVersion == 0x671 )
			{
				channels ~= "AllChannels       =    ~0L,";
			}
			else
			{
				channels ~= "AllChannels       = 0x7FFFFFF,";
			}

			channels ~= "
			TrueAlphaChannel = 0x0040, // extract actual alpha channel from opacity
			RGBChannels      = 0x0080, // set alpha from  grayscale mask in RGB
			GrayChannels     = 0x0080,
			SyncChannels     = 0x0100, // channels should be modified equally
			DefaultChannels  = ( (AllChannels | SyncChannels) &~ OpacityChannel)
		}";

		return channels;
	}());

	enum ClassType
	{
		UndefinedClass,
		DirectClass,
		PseudoClass
	}

	struct BlobInfo {}
}