Initial implementation of PictureBox

svn path=/trunk/mcs/; revision=32681

mcs/class/Managed.Windows.Forms/System.Windows.Forms/PictureBox.cs

@@ -0,0 +1,217 @@
+// 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) 2004 Novell, Inc.
+//
+// Authors:
+//	Jackson Harper ([email protected])
+//
+
+
+using System;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace System.Windows.Forms {
+
+	public class PictureBox : Control {
+
+		private Image image;
+		private PictureBoxSizeMode size_mode;
+		private BorderStyle border_style;
+		private bool redraw;
+		private bool recalc;
+
+		private EventHandler frame_handler;
+
+		public PictureBox ()
+		{
+			redraw = true;
+			recalc = true;
+		}
+
+		public PictureBoxSizeMode SizeMode {
+			get { return size_mode; }
+			set {
+				if (size_mode == value)
+					return;
+				size_mode = value;
+				UpdateSize ();
+				Redraw (true);
+				Invalidate ();
+			}
+		}
+
+		public Image Image {
+			get { return image; }
+			set {
+				StopAnimation ();
+
+				image = value;
+				UpdateSize ();
+				if (ImageAnimator.CanAnimate (image)) {
+					frame_handler = new EventHandler (OnAnimateImage);
+					ImageAnimator.Animate (image, frame_handler);
+				}
+				Redraw (true);
+				Invalidate ();
+			}
+		}
+
+		public BorderStyle BorderStyle {
+			get { return border_style; }
+			set {
+				border_style = value;
+				Redraw (true);
+			}
+		}
+
+		public new bool CausesValidation {
+			get { return base.CausesValidation; }
+			set { base.CausesValidation = value; }
+		}
+
+		public new ImeMode ImeMode {
+			get { return base.ImeMode; }
+			set { base.ImeMode = value; }
+		}
+
+		public override RightToLeft RightToLeft {
+			get { return base.RightToLeft; }
+			set { base.RightToLeft = value;	}
+		}
+
+		public new int TabIndex	{
+			get { return base.TabIndex; }
+			set { base.TabIndex = value; }
+		}
+
+		public new bool TabStop {
+			get { return base.TabStop; }
+			set { base.TabStop = value; }
+		}
+
+		public override string Text {
+			get { return base.Text; }
+			set { base.Text = value; }
+		}
+
+		protected override CreateParams CreateParams {
+			get {
+				CreateParams createParams = base.CreateParams;
+				createParams.ClassName = String.Empty;
+				createParams.Style = (int) (WindowStyles.WS_CHILD |
+					WindowStyles.WS_VISIBLE);
+				return createParams;
+			}
+		}
+
+		protected override ImeMode DefaultImeMode {
+			get { return base.DefaultImeMode; }
+		}
+
+		public override Font Font {
+			get { return base.Font;	}
+			set { base.Font = value; }
+		}
+
+		public override Color ForeColor {
+			get { return base.ForeColor; }
+			set { base.ForeColor = value; }
+		}
+
+		protected override Size DefaultSize {
+			get { return new Size (100, 50); }
+		}
+
+		protected override void Dispose (bool disposing)
+		{
+			if (image != null) {
+				StopAnimation ();
+				image.Dispose ();
+				image = null;
+			}
+			base.Dispose (disposing);
+		}
+
+		protected override void OnPaint (PaintEventArgs pe)
+		{
+			if (this.Width <= 0 || this.Height <=  0 || this.Visible == false)
+				return;
+
+			Draw ();
+			pe.Graphics.DrawImage (this.ImageBuffer, pe.ClipRectangle, pe.ClipRectangle, GraphicsUnit.Pixel);
+		}
+
+		protected override void SetBoundsCore (int x, int y, int width, int height, BoundsSpecified specified)
+		{
+			if (size_mode == PictureBoxSizeMode.AutoSize && image != null) {
+				width = image.Width;
+				height = image.Height;
+			}
+			base.SetBoundsCore (x, y, width, height, specified);
+		}
+
+		private void StopAnimation ()
+		{
+			if (frame_handler == null)
+				return;
+			ImageAnimator.StopAnimate (image, frame_handler);
+			frame_handler = null;
+		}
+
+		private void UpdateSize ()
+		{
+			if (image == null)
+				return;
+			if (size_mode == PictureBoxSizeMode.AutoSize)
+				ClientSize = image.Size; 
+		}
+
+		private void Redraw (bool recalc)
+		{
+			redraw = true;
+			this.recalc = recalc;
+		}
+
+		private void OnAnimateImage (object sender, EventArgs e)
+		{
+			// This is called from a worker thread,BeginInvoke is used
+			// so the control is updated from the correct thread
+			BeginInvoke (new EventHandler (UpdateAnimatedImage), new object [] { this, e });
+		}
+
+		private void UpdateAnimatedImage (object sender, EventArgs e)
+		{
+			ImageAnimator.UpdateFrames (image);
+			Redraw (false);
+			Refresh ();
+		}
+
+                [MonoTODO ("Borders and stuff, and move into the Theme")]
+		private void Draw ()
+		{
+			if (redraw) {
+				DeviceContext.DrawImage (image, 0, 0);
+			}
+			redraw = false;
+		}
+	}
+}
+

mcs/class/Managed.Windows.Forms/System.Windows.Forms/PictureBoxSizeMode.cs

@@ -0,0 +1,37 @@
+// 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) 2004 Novell, Inc.
+//
+// Authors:
+//	Jackson Harper ([email protected])
+//
+
+
+namespace System.Windows.Forms {
+
+	public enum PictureBoxSizeMode {
+		Normal,
+		StretchImage,
+		AutoSize,
+		CenterImage
+	}
+}
+
+