Steven Kirk
9 years ago
14 changed files with 422 additions and 12 deletions
@ -0,0 +1,7 @@ |
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namespace Avalonia.Platform |
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{ |
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public interface IModuleEnvironmentChecker |
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{ |
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bool IsCompatible { get; } |
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} |
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} |
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@ -0,0 +1,15 @@ |
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using System; |
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using System.Collections.Generic; |
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using System.Linq; |
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using System.Text; |
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using System.Threading.Tasks; |
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using Avalonia.Platform; |
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|
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namespace Avalonia.Direct2D1 |
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{ |
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class WindowsVersionChecker : IModuleEnvironmentChecker |
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{ |
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//Direct2D backend doesn't work with Win7 anymore
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public bool IsCompatible => Environment.OSVersion.Version >= new Version(6, 2); |
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} |
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} |
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@ -0,0 +1,197 @@ |
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//
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// System.Drawing.ComIStreamWrapper.cs
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//
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// Author:
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// Kornél Pál <http://www.kornelpal.hu/>
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//
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// Copyright (C) 2005-2008 Kornél Pál
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//
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//
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// Permission is hereby granted, free of charge, to any person obtaining
|
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// a copy of this software and associated documentation files (the
|
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// "Software"), to deal in the Software without restriction, including
|
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// without limitation the rights to use, copy, modify, merge, publish,
|
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// distribute, sublicense, and/or sell copies of the Software, and to
|
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// permit persons to whom the Software is furnished to do so, subject to
|
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// the following conditions:
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//
|
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// The above copyright notice and this permission notice shall be
|
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// included in all copies or substantial portions of the Software.
|
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//
|
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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|
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using System; |
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using System.IO; |
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using System.Reflection; |
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using System.Runtime.InteropServices; |
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using System.Runtime.InteropServices.ComTypes; |
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using STATSTG = System.Runtime.InteropServices.ComTypes.STATSTG; |
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namespace Avalonia.Win32 |
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{ |
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// Stream to IStream wrapper for COM interop
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internal sealed class ComIStreamWrapper : IStream |
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{ |
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private const int STG_E_INVALIDFUNCTION = unchecked((int)0x80030001); |
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private readonly Stream baseStream; |
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private long position = -1; |
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internal ComIStreamWrapper(Stream stream) |
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{ |
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baseStream = stream; |
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} |
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private void SetSizeToPosition() |
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{ |
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if (position != -1) |
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{ |
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if (position > baseStream.Length) |
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baseStream.SetLength(position); |
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baseStream.Position = position; |
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position = -1; |
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} |
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} |
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public void Read(byte[] pv, int cb, IntPtr pcbRead) |
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{ |
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int read = 0; |
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if (cb != 0) |
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{ |
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SetSizeToPosition(); |
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read = baseStream.Read(pv, 0, cb); |
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} |
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if (pcbRead != IntPtr.Zero) |
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Marshal.WriteInt32(pcbRead, read); |
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} |
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public void Write(byte[] pv, int cb, IntPtr pcbWritten) |
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{ |
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if (cb != 0) |
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{ |
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SetSizeToPosition(); |
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baseStream.Write(pv, 0, cb); |
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} |
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if (pcbWritten != IntPtr.Zero) |
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Marshal.WriteInt32(pcbWritten, cb); |
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} |
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public void Seek(long dlibMove, int dwOrigin, IntPtr plibNewPosition) |
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{ |
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long length = baseStream.Length; |
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long newPosition; |
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switch ((SeekOrigin)dwOrigin) |
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{ |
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case SeekOrigin.Begin: |
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newPosition = dlibMove; |
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break; |
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case SeekOrigin.Current: |
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if (position == -1) |
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newPosition = baseStream.Position + dlibMove; |
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else |
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newPosition = position + dlibMove; |
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break; |
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case SeekOrigin.End: |
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newPosition = length + dlibMove; |
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break; |
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default: |
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throw new COMException(null, STG_E_INVALIDFUNCTION); |
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} |
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if (newPosition > length) |
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position = newPosition; |
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else |
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{ |
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baseStream.Position = newPosition; |
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position = -1; |
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} |
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if (plibNewPosition != IntPtr.Zero) |
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Marshal.WriteInt64(plibNewPosition, newPosition); |
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} |
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public void SetSize(long libNewSize) |
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{ |
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baseStream.SetLength(libNewSize); |
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} |
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public void CopyTo(IStream pstm, long cb, IntPtr pcbRead, IntPtr pcbWritten) |
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{ |
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byte[] buffer; |
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long written = 0; |
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int read; |
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int count; |
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if (cb != 0) |
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{ |
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if (cb < 4096) |
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count = (int)cb; |
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else |
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count = 4096; |
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buffer = new byte[count]; |
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SetSizeToPosition(); |
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while (true) |
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{ |
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if ((read = baseStream.Read(buffer, 0, count)) == 0) |
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break; |
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pstm.Write(buffer, read, IntPtr.Zero); |
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written += read; |
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if (written >= cb) |
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break; |
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if (cb - written < 4096) |
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count = (int)(cb - written); |
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} |
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} |
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if (pcbRead != IntPtr.Zero) |
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Marshal.WriteInt64(pcbRead, written); |
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if (pcbWritten != IntPtr.Zero) |
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Marshal.WriteInt64(pcbWritten, written); |
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} |
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public void Commit(int grfCommitFlags) |
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{ |
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baseStream.Flush(); |
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SetSizeToPosition(); |
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} |
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public void Revert() |
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{ |
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throw new COMException(null, STG_E_INVALIDFUNCTION); |
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} |
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public void LockRegion(long libOffset, long cb, int dwLockType) |
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{ |
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throw new COMException(null, STG_E_INVALIDFUNCTION); |
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} |
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public void UnlockRegion(long libOffset, long cb, int dwLockType) |
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{ |
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throw new COMException(null, STG_E_INVALIDFUNCTION); |
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} |
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public void Stat(out STATSTG pstatstg, int grfStatFlag) |
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{ |
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pstatstg = new STATSTG(); |
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pstatstg.cbSize = baseStream.Length; |
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} |
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public void Clone(out IStream ppstm) |
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{ |
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ppstm = null; |
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throw new COMException(null, STG_E_INVALIDFUNCTION); |
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} |
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} |
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} |
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@ -0,0 +1,128 @@ |
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//
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// Code copy-pasted from from Mono / System.Drawing.*.cs
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// Original license below:
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//
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// Authors:
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// Alexandre Pigolkine (pigolkine@gmx.de)
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// Jordi Mas (jordi@ximian.com)
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// Sanjay Gupta (gsanjay@novell.com)
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// Ravindra (rkumar@novell.com)
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// Peter Dennis Bartok (pbartok@novell.com)
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// Sebastien Pouliot <sebastien@ximian.com>
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//
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//
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// Copyright (C) 2004, 2007 Novell, Inc (http://www.novell.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining
|
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// a copy of this software and associated documentation files (the
|
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// "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
|
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// permit persons to whom the Software is furnished to do so, subject to
|
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// the following conditions:
|
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//
|
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// The above copyright notice and this permission notice shall be
|
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// included in all copies or substantial portions of the Software.
|
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//
|
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
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//
|
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|
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using System; |
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using System.Collections.Generic; |
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using System.Linq; |
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using System.Runtime.InteropServices; |
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using System.Runtime.InteropServices.ComTypes; |
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using System.Text; |
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using System.Threading.Tasks; |
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|
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namespace Avalonia.Win32 |
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{ |
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static class Gdip |
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{ |
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public enum Status |
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{ |
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Ok = 0, |
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GenericError = 1, |
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InvalidParameter = 2, |
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OutOfMemory = 3, |
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ObjectBusy = 4, |
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InsufficientBuffer = 5, |
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NotImplemented = 6, |
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Win32Error = 7, |
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WrongState = 8, |
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Aborted = 9, |
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FileNotFound = 10, |
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ValueOverflow = 11, |
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AccessDenied = 12, |
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UnknownImageFormat = 13, |
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FontFamilyNotFound = 14, |
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FontStyleNotFound = 15, |
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NotTrueTypeFont = 16, |
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UnsupportedGdiplusVersion = 17, |
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GdiplusNotInitialized = 18, |
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PropertyNotFound = 19, |
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PropertyNotSupported = 20, |
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ProfileNotFound = 21 |
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} |
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[StructLayout(LayoutKind.Sequential)] |
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internal struct GdiplusStartupInput |
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{ |
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// internalted to silent compiler
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internal uint GdiplusVersion; |
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internal IntPtr DebugEventCallback; |
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internal int SuppressBackgroundThread; |
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internal int SuppressExternalCodecs; |
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internal static GdiplusStartupInput MakeGdiplusStartupInput() |
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{ |
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GdiplusStartupInput result = new GdiplusStartupInput(); |
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result.GdiplusVersion = 1; |
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result.DebugEventCallback = IntPtr.Zero; |
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result.SuppressBackgroundThread = 0; |
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result.SuppressExternalCodecs = 0; |
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return result; |
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} |
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} |
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[StructLayout(LayoutKind.Sequential)] |
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internal struct GdiplusStartupOutput |
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{ |
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internal IntPtr NotificationHook; |
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internal IntPtr NotificationUnhook; |
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internal static GdiplusStartupOutput MakeGdiplusStartupOutput() |
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{ |
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GdiplusStartupOutput result = new GdiplusStartupOutput(); |
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result.NotificationHook = result.NotificationUnhook = IntPtr.Zero; |
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return result; |
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} |
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} |
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[DllImport("gdiplus.dll")] |
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public static extern Status GdiplusStartup(ref ulong token, ref GdiplusStartupInput input, ref GdiplusStartupOutput output); |
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[DllImport("gdiplus.dll", ExactSpelling = true, CharSet = CharSet.Unicode)] |
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public static extern Status GdipLoadImageFromStream([MarshalAs(UnmanagedType.Interface, MarshalTypeRef = typeof(IStream))] IStream stream, out IntPtr image); |
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[DllImport("gdiplus.dll")] |
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public static extern Status GdipCreateHICONFromBitmap(IntPtr bmp, out IntPtr HandleIcon); |
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[DllImport("gdiplus.dll")] |
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internal static extern Status GdipDisposeImage(IntPtr image); |
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static Gdip() |
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{ |
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ulong token = 0; |
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var input = GdiplusStartupInput.MakeGdiplusStartupInput(); |
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var output = GdiplusStartupOutput.MakeGdiplusStartupOutput(); |
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GdiplusStartup(ref token, ref input, ref output); |
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} |
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} |
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} |
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