Imported Upstream version 4.2.0.179

Former-commit-id: 0a113cb3a6feb7873f632839b1307cc6033cd595
2015-08-26 07:17:56 -04:00
parent 183bba2c9a
commit 6992685b86
7507 changed files with 90259 additions and 657307 deletions
--- a/mcs/class/System.Windows.Forms/System.Windows.Forms.RTF/Picture.cs
+++ b/mcs/class/System.Windows.Forms/System.Windows.Forms.RTF/Picture.cs
@@ -0,0 +1,149 @@
+// 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.
+//
+// Copyright (c) 2007 Novell, Inc. (http://www.novell.com)
+//
+// Authors:
+//	Jackson Harper (jackson@ximian.com)
+//
+
+
+using System;
+using System.IO;
+using System.Drawing;
+
+namespace System.Windows.Forms.RTF {
+
+	internal class Picture {
+
+		private Minor image_type;
+		private Image image;
+		private MemoryStream data;
+		private float width = -1;
+		private float height = -1;
+
+		private readonly static float dpix;
+
+		static Picture ()
+		{
+			dpix = TextRenderer.GetDpi ().Width;
+		}
+
+		public Picture ()
+		{
+			
+		}
+
+		public Minor ImageType {
+			get { return image_type; }
+			set { image_type = value; }
+		}
+
+		public MemoryStream Data {
+			get {
+				if (data == null)
+					data = new MemoryStream ();
+				return data;
+			}
+		}
+
+		public float Width {
+			get {
+				float w = width;
+				if (w == -1) {
+					if (image == null)
+						image = ToImage ();
+					w = image.Width;
+				}
+				return w;
+				
+			}
+		}
+
+		public float Height {
+			get {
+				float h = height;
+				if (h == -1) {
+					if (image == null)
+						image = ToImage ();
+					h = image.Height;
+				}
+				return h;
+			}
+		}
+
+		public SizeF Size {
+			get {	
+				return new SizeF (Width, Height);
+			}
+		}
+
+		public void SetWidthFromTwips (int twips)
+		{
+			width = (int) (((float) twips / 1440.0F) * dpix + 0.5F);
+		}
+
+		public void SetHeightFromTwips (int twips)
+		{
+			height = (int) (((float) twips / 1440.0F) * dpix + 0.5F);
+		}
+
+		//
+		// Makes sure that we got enough information to actually use the image
+		//
+		public bool IsValid ()
+		{
+			if  (data == null)
+				return false;
+			switch (image_type) {
+			case Minor.PngBlip:
+			case Minor.WinMetafile:
+				break;
+			default:
+				return false;
+			}
+
+			return true;
+		}
+
+		public void DrawImage (Graphics dc, float x, float y, bool selected)
+		{
+			if (image == null)
+				image = ToImage ();
+
+			float height = this.height;
+			float width = this.width;
+
+			if (height == -1)
+				height = image.Height;
+			if (width == -1)
+				width = image.Width;
+			dc.DrawImage (image, x, y, width, height);
+		}
+
+		public Image ToImage ()
+		{
+			// Reset the data stream position to the beginning
+			data.Position = 0;
+			return Image.FromStream (data);
+		}
+	}
+
+}
+