Opentk/Source/OpenTK/Platform/MacOS/Cocoa/Cocoa.cs
2014-04-24 13:47:30 +02:00

231 lines
9.2 KiB
C#

#region License
//
// Cocoa.cs
//
// Author:
// Olle Håkansson <ollhak@gmail.com>
//
// Copyright (c) 2014 Olle Håkansson
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
#endregion
using System.Runtime.InteropServices;
using System;
using System.Drawing;
namespace OpenTK.Platform.MacOS
{
static class Cocoa
{
static readonly IntPtr selUTF8String = Selector.Get("UTF8String");
internal const string LibObjC = "/usr/lib/libobjc.dylib";
[DllImport(LibObjC, EntryPoint="objc_msgSend")]
public extern static IntPtr SendIntPtr(IntPtr receiver, IntPtr selector);
[DllImport(LibObjC, EntryPoint="objc_msgSend")]
public extern static IntPtr SendIntPtr(IntPtr receiver, IntPtr selector, ulong ulong1);
[DllImport(LibObjC, EntryPoint="objc_msgSend")]
public extern static IntPtr SendIntPtr(IntPtr receiver, IntPtr selector, IntPtr intPtr1);
[DllImport(LibObjC, EntryPoint="objc_msgSend")]
public extern static IntPtr SendIntPtr(IntPtr receiver, IntPtr selector, IntPtr intPtr1, int int1);
[DllImport(LibObjC, EntryPoint="objc_msgSend")]
public extern static IntPtr SendIntPtr(IntPtr receiver, IntPtr selector, IntPtr intPtr1, IntPtr intPtr2);
[DllImport(LibObjC, EntryPoint="objc_msgSend")]
public extern static IntPtr SendIntPtr(IntPtr receiver, IntPtr selector, IntPtr intPtr1, IntPtr intPtr2, IntPtr intPtr3);
[DllImport(LibObjC, EntryPoint="objc_msgSend")]
public extern static IntPtr SendIntPtr(IntPtr receiver, IntPtr selector, RectangleF rectangle1, int int1, int int2, bool bool1);
[DllImport(LibObjC, EntryPoint="objc_msgSend")]
public extern static IntPtr SendIntPtr(IntPtr receiver, IntPtr selector, uint uint1, IntPtr intPtr1, IntPtr intPtr2, bool bool1);
[DllImport(LibObjC, EntryPoint="objc_msgSend")]
public extern static IntPtr SendIntPtr(IntPtr receiver, IntPtr selector, RectangleF rectangle1, int int1, IntPtr intPtr1, IntPtr intPtr2);
[DllImport(LibObjC, EntryPoint="objc_msgSend")]
public extern static bool SendBool(IntPtr receiver, IntPtr selector);
[DllImport(LibObjC, EntryPoint="objc_msgSend")]
public extern static bool SendBool(IntPtr receiver, IntPtr selector, int int1);
[DllImport(LibObjC, EntryPoint="objc_msgSend")]
public extern static void SendVoid(IntPtr receiver, IntPtr selector);
[DllImport(LibObjC, EntryPoint="objc_msgSend")]
public extern static void SendVoid(IntPtr receiver, IntPtr selector, uint uint1);
[DllImport(LibObjC, EntryPoint="objc_msgSend")]
public extern static void SendVoid(IntPtr receiver, IntPtr selector, IntPtr intPtr1);
[DllImport(LibObjC, EntryPoint="objc_msgSend")]
public extern static void SendVoid(IntPtr receiver, IntPtr selector, IntPtr intPtr1, int int1);
[DllImport(LibObjC, EntryPoint="objc_msgSend")]
public extern static void SendVoid(IntPtr receiver, IntPtr selector, IntPtr intPtr1, IntPtr intPtr2);
[DllImport(LibObjC, EntryPoint="objc_msgSend")]
public extern static void SendVoid(IntPtr receiver, IntPtr selector, int int1);
[DllImport(LibObjC, EntryPoint="objc_msgSend")]
public extern static void SendVoid(IntPtr receiver, IntPtr selector, bool bool1);
[DllImport(LibObjC, EntryPoint="objc_msgSend")]
public extern static void SendVoid(IntPtr receiver, IntPtr selector, PointF point1);
[DllImport(LibObjC, EntryPoint="objc_msgSend")]
public extern static void SendVoid(IntPtr receiver, IntPtr selector, RectangleF rect1, bool bool1);
[DllImport(LibObjC, EntryPoint="objc_msgSend")]
public extern static int SendInt(IntPtr receiver, IntPtr selector);
[DllImport(LibObjC, EntryPoint="objc_msgSend")]
public extern static uint SendUint(IntPtr receiver, IntPtr selector);
[DllImport(LibObjC, EntryPoint="objc_msgSend")]
public extern static ushort SendUshort(IntPtr receiver, IntPtr selector);
[DllImport(LibObjC, EntryPoint="objc_msgSend_fpret")]
extern static float SendFloat_i386(IntPtr receiver, IntPtr selector);
[DllImport(LibObjC, EntryPoint="objc_msgSend")]
extern static float SendFloat_normal(IntPtr receiver, IntPtr selector);
public static float SendFloat(IntPtr receiver, IntPtr selector)
{
#if IOS
return SendFloat_normal(receiver, selector);
#else
if (IntPtr.Size == 4)
{
return SendFloat_i386(receiver, selector);
}
else
{
return SendFloat_normal(receiver, selector);
}
#endif
}
// Not the _stret version, perhaps because a PointF fits in one register?
// thefiddler: gcc is indeed using objc_msgSend for NSPoint on i386
[DllImport (LibObjC, EntryPoint="objc_msgSend")]
public extern static PointF SendPoint(IntPtr receiver, IntPtr selector);
[DllImport (LibObjC, EntryPoint="objc_msgSend_stret")]
extern static void SendRect(out System.Drawing.RectangleF retval, IntPtr receiver, IntPtr selector);
[DllImport (LibObjC, EntryPoint="objc_msgSend_stret")]
extern static void SendRect(out System.Drawing.RectangleF retval, IntPtr receiver, IntPtr selector, RectangleF rect1);
public static RectangleF SendRect(IntPtr receiver, IntPtr selector)
{
RectangleF r;
SendRect(out r, receiver, selector);
return r;
}
public static RectangleF SendRect(IntPtr receiver, IntPtr selector, RectangleF rect1)
{
RectangleF r;
SendRect(out r, receiver, selector, rect1);
return r;
}
public static IntPtr ToNSString(string str)
{
if (str == null)
return IntPtr.Zero;
unsafe
{
fixed (char* ptrFirstChar = str)
{
var handle = Cocoa.SendIntPtr(Class.Get("NSString"), Selector.Alloc);
handle = Cocoa.SendIntPtr(handle, Selector.Get("initWithCharacters:length:"), (IntPtr)ptrFirstChar, str.Length);
return handle;
}
}
}
public static string FromNSString(IntPtr handle)
{
return Marshal.PtrToStringAuto(SendIntPtr(handle, selUTF8String));
}
public static unsafe IntPtr ToNSImage(Image img)
{
using (System.IO.MemoryStream s = new System.IO.MemoryStream())
{
img.Save(s, System.Drawing.Imaging.ImageFormat.Png);
byte[] b = s.ToArray();
fixed (byte* pBytes = b)
{
IntPtr nsData = Cocoa.SendIntPtr(Cocoa.SendIntPtr(Cocoa.SendIntPtr(Class.Get("NSData"), Selector.Alloc),
Selector.Get("initWithBytes:length:"), (IntPtr)pBytes, b.Length),
Selector.Autorelease);
IntPtr nsImage = Cocoa.SendIntPtr(Cocoa.SendIntPtr(Cocoa.SendIntPtr(Class.Get("NSImage"), Selector.Alloc),
Selector.Get("initWithData:"), nsData),
Selector.Autorelease);
return nsImage;
}
}
}
public static IntPtr GetStringConstant(IntPtr handle, string symbol)
{
var indirect = NS.GetSymbol(handle, symbol);
if (indirect == IntPtr.Zero)
return IntPtr.Zero;
var actual = Marshal.ReadIntPtr(indirect);
if (actual == IntPtr.Zero)
return IntPtr.Zero;
return actual;
}
public static IntPtr AppKitLibrary;
public static IntPtr FoundationLibrary;
public static void Initialize()
{
if (AppKitLibrary != IntPtr.Zero)
{
return;
}
AppKitLibrary = NS.LoadLibrary("/System/Library/Frameworks/AppKit.framework/AppKit");
FoundationLibrary = NS.LoadLibrary("/System/Library/Frameworks/Foundation.framework/Foundation");
NSApplication.Initialize();
}
}
}