CPF/CPF.Mac/Mac/CoreText/CTTextTab.cs
2023-11-21 23:05:03 +08:00

90 lines
2.3 KiB
C#

using CPF.Mac.CoreFoundation;
using CPF.Mac.Foundation;
using CPF.Mac.ObjCRuntime;
using System;
using System.Runtime.InteropServices;
namespace CPF.Mac.CoreText
{
[Since(3, 2)]
public class CTTextTab : INativeObject, IDisposable
{
internal IntPtr handle;
public IntPtr Handle => handle;
public CTTextAlignment TextAlignment => CTTextTabGetAlignment(handle);
public double Location => CTTextTabGetLocation(handle);
internal CTTextTab(IntPtr handle, bool owns)
{
if (handle == IntPtr.Zero)
{
throw ConstructorError.ArgumentNull(this, "handle");
}
this.handle = handle;
if (!owns)
{
CFObject.CFRetain(handle);
}
}
~CTTextTab()
{
Dispose(disposing: false);
}
public void Dispose()
{
Dispose(disposing: true);
GC.SuppressFinalize(this);
}
protected virtual void Dispose(bool disposing)
{
if (handle != IntPtr.Zero)
{
CFObject.CFRelease(handle);
handle = IntPtr.Zero;
}
}
[DllImport("/System/Library/Frameworks/ApplicationServices.framework/Frameworks/CoreText.framework/CoreText")]
private static extern IntPtr CTTextTabCreate(CTTextAlignment alignment, double location, IntPtr options);
public CTTextTab(CTTextAlignment alignment, double location)
: this(alignment, location, null)
{
}
public CTTextTab(CTTextAlignment alignment, double location, CTTextTabOptions options)
{
handle = CTTextTabCreate(alignment, location, options?.Dictionary.Handle ?? IntPtr.Zero);
if (handle == IntPtr.Zero)
{
throw ConstructorError.Unknown(this);
}
}
[DllImport("/System/Library/Frameworks/ApplicationServices.framework/Frameworks/CoreText.framework/CoreText")]
private static extern CTTextAlignment CTTextTabGetAlignment(IntPtr tab);
[DllImport("/System/Library/Frameworks/ApplicationServices.framework/Frameworks/CoreText.framework/CoreText")]
private static extern double CTTextTabGetLocation(IntPtr tab);
[DllImport("/System/Library/Frameworks/ApplicationServices.framework/Frameworks/CoreText.framework/CoreText")]
private static extern IntPtr CTTextTabGetOptions(IntPtr tab);
public CTTextTabOptions GetOptions()
{
IntPtr intPtr = CTTextTabGetOptions(handle);
if (intPtr == IntPtr.Zero)
{
return null;
}
return new CTTextTabOptions((NSDictionary)Runtime.GetNSObject(intPtr));
}
}
}