93 lines
2.3 KiB
C#
93 lines
2.3 KiB
C#
using CPF.Mac.Foundation;
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using CPF.Mac.ObjCRuntime;
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using System;
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namespace CPF.Mac.CoreText
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{
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internal static class CTBaselineClassID
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{
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public static readonly NSString Roman;
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public static readonly NSString IdeographicCentered;
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public static readonly NSString IdeographicLow;
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public static readonly NSString IdeographicHigh;
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public static readonly NSString Hanging;
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public static readonly NSString Math;
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static CTBaselineClassID()
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{
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IntPtr intPtr = Dlfcn.dlopen("/System/Library/Frameworks/ApplicationServices.framework/Frameworks/CoreText.framework/CoreText", 0);
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if (!(intPtr == IntPtr.Zero))
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{
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try
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{
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Roman = Dlfcn.GetStringConstant(intPtr, "kCTBaselineClassRoman");
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IdeographicCentered = Dlfcn.GetStringConstant(intPtr, "kCTBaselineClassIdeographicCentered");
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IdeographicLow = Dlfcn.GetStringConstant(intPtr, "kCTBaselineClassIdeographicLow");
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IdeographicHigh = Dlfcn.GetStringConstant(intPtr, "kCTBaselineClassIdeographicHigh");
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Hanging = Dlfcn.GetStringConstant(intPtr, "kCTBaselineClassHanging");
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Math = Dlfcn.GetStringConstant(intPtr, "kCTBaselineClassMath");
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}
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finally
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{
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Dlfcn.dlclose(intPtr);
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}
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}
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}
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public static NSString ToNSString(CTBaselineClass key)
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{
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switch (key)
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{
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case CTBaselineClass.Roman:
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return Roman;
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case CTBaselineClass.IdeographicCentered:
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return IdeographicCentered;
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case CTBaselineClass.IdeographicLow:
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return IdeographicLow;
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case CTBaselineClass.IdeographicHigh:
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return IdeographicHigh;
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case CTBaselineClass.Hanging:
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return Hanging;
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case CTBaselineClass.Math:
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return Math;
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default:
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throw new ArgumentOutOfRangeException("key");
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}
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}
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public static CTBaselineClass FromHandle(IntPtr handle)
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{
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if (handle == Roman.Handle)
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{
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return CTBaselineClass.Roman;
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}
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if (handle == IdeographicCentered.Handle)
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{
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return CTBaselineClass.IdeographicCentered;
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}
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if (handle == IdeographicLow.Handle)
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{
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return CTBaselineClass.IdeographicLow;
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}
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if (handle == IdeographicHigh.Handle)
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{
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return CTBaselineClass.IdeographicHigh;
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}
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if (handle == Hanging.Handle)
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{
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return CTBaselineClass.Hanging;
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}
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if (handle == Math.Handle)
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{
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return CTBaselineClass.Math;
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}
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throw new ArgumentOutOfRangeException("handle");
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}
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}
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}
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