[Mono-devel-list] Implementation of System.Drawing

[Alexandre Pigolkine]

Hello,

I created a variant of "virtual" primitives for System.Drawing.

Attached are the files for Bitmap class :

Bitmap.cs - common implemetation;
IftBitmap.cs - internal interface for implementations;
Win32Bitmap.cs - implementation of interface using Win32 API.

Implementation can be selected by setting a variable in Bitmap.cs :

internal static IBitmapFactory factory_ = new
System.Drawing.Win32Impl.BitmapFactory();
or
internal static IBitmapFactory factory_ = new
System.Drawing.GTKImpl.BitmapFactory();

GTK implementation is not included, but the code for the GTK factory is
almost identical to Win32Impl.

Is this acceptable approach to virtualize primitives in System.Drawing ?

Alexandre



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