1 files changed, 100 insertions, 0 deletions
diff --git a/Backends/CairoBackend/src/ImageSurface.cs b/Backends/CairoBackend/src/ImageSurface.cs
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+++ b/Backends/CairoBackend/src/ImageSurface.cs
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+//
+// Mono.Cairo.ImageSurface.cs
+//
+// Authors:
+//    Duncan Mak
+//    Miguel de Icaza.
+//
+// (C) Ximian Inc, 2003.
+// (C) Novell, Inc. 2003.
+//
+// This is an OO wrapper API for the Cairo API
+//
+// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
+//
+// 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.
+//
+
+using System;
+using System.Runtime.InteropServices;
+using Drawing2D;
+
+namespace Crow.CairoBackend {
+
+	public class ImageSurface : Surface
+	{
+		internal ImageSurface (IntPtr handle, bool owns) : base (handle, owns)
+		{
+		}
+
+		public ImageSurface (Format format, int width, int height)
+			: base (NativeMethods.cairo_image_surface_create (format, width, height), true)
+		{
+		}
+
+		[Obsolete ("Use ImageSurface (byte[] data, Cairo.Format format, int width, int height, int stride)")]
+		public ImageSurface (ref byte[] data, Format format, int width, int height, int stride)
+			: this (data, format, width, height, stride)
+		{
+		}
+
+		public ImageSurface (byte[] data, Format format, int width, int height, int stride)
+			: base (NativeMethods.cairo_image_surface_create_for_data (data, format, width, height, stride), true)
+		{
+		}
+
+		public ImageSurface (IntPtr data, Format format, int width, int height, int stride)
+			: base (NativeMethods.cairo_image_surface_create_for_data (data, format, width, height, stride), true)
+		{
+		}
+
+		public ImageSurface (string filename)
+			: base (NativeMethods.cairo_image_surface_create_from_png (filename), true)
+		{
+		}
+
+		public override int Width => NativeMethods.cairo_image_surface_get_width (handle);
+		public override int Height => NativeMethods.cairo_image_surface_get_height (handle);
+
+		public byte[] Data {
+			get {
+				IntPtr ptr = NativeMethods.cairo_image_surface_get_data (handle);
+				int length = Height * Stride;
+				byte[] data = new byte[length];
+				Marshal.Copy (ptr, data, 0, length);
+				return data;
+			}
+		}
+
+		public IntPtr DataPtr {
+			get {
+				return NativeMethods.cairo_image_surface_get_data (handle);
+			}
+		}
+
+		public Format Format {
+			get { return NativeMethods.cairo_image_surface_get_format (handle); }
+		}
+
+		public int Stride {
+			get { return NativeMethods.cairo_image_surface_get_stride (handle); }
+		}
+	}
+}