Added key handling for the effects and added a clear operation. Also some code cleanup.

git-svn-id: http://svn.code.sf.net/p/greenshot/code/trunk@2360 7dccd23d-a4a3-4e1f-8c07-b4c1b4018ab4

Greenshot/Drawing/Surface.cs

@@ -753,11 +753,17 @@ namespace Greenshot.Drawing {
 			}
 		}
 
+		/// <summary>
+		/// Handle the drag/drop
+		/// </summary>
+		/// <param name="sender"></param>
+		/// <param name="e"></param>
 		private void OnDragDrop(object sender, DragEventArgs e) {
 			List<string> filenames = GetFilenames(e);
 			Point mouse = this.PointToClient(new Point(e.X, e.Y));
 			if (e.Data.GetDataPresent("Text")) {
 				string possibleUrl = (string)e.Data.GetData("Text");
+				// Test if it's an url and try to download the image so we have it in the original form
 				if (possibleUrl != null && possibleUrl.StartsWith("http")) {
 					using (Bitmap image = NetworkHelper.DownloadImage(possibleUrl)) {
 						if (image != null) {
@@ -867,6 +873,21 @@ namespace Greenshot.Drawing {
 			}
 		}
 
+		/// <summary>
+		/// A simple clear
+		/// </summary>
+		/// <param name="newColor">The color for the background</param>
+		public void Clear(Color newColor) {
+			//create a blank bitmap the same size as original
+			Bitmap newBitmap = ImageHelper.CreateEmptyLike((Bitmap)Image, Color.Empty);
+			if (newBitmap != null) {
+				// Make undoable
+				MakeUndoable(new SurfaceBackgroundChangeMemento(this, Point.Empty), false);
+				SetImage(newBitmap, false);
+				Invalidate();
+			}
+		}
+
 		/// <summary>
 		/// Apply a bitmap effect to the surface
 		/// </summary>

Greenshot/Forms/ImageEditorForm.cs

@@ -501,7 +501,6 @@ namespace Greenshot {
 			refreshFieldControls();
 		}
 		
-		
 		void BtnCropClick(object sender, EventArgs e) {
 			surface.DrawingMode = DrawingModes.Crop;
 			refreshFieldControls();
@@ -749,19 +748,38 @@ namespace Greenshot {
 					case Keys.C:
 						BtnCropClick(sender, e);
 						break;
-					case Keys.P:
-						//surface.PreviewMode = !surface.PreviewMode;
-						break;
 				}
 			} else if (e.Modifiers.Equals(Keys.Control)) {
 				switch (e.KeyCode) {
 					case Keys.Z:
-						surface.Undo();
+						UndoToolStripMenuItemClick(sender, e);
-						updateUndoRedoSurfaceDependencies();
 						break;
 					case Keys.Y:
-						surface.Redo();
+						RedoToolStripMenuItemClick(sender, e);
-						updateUndoRedoSurfaceDependencies();
+						break;
+					case Keys.Q:	// Dropshadow Ctrl + Q
+						AddDropshadowToolStripMenuItemClick(sender, e);
+						break;
+					case Keys.B:	// Border Ctrl + B
+						AddBorderToolStripMenuItemClick(sender, e);
+						break;
+					case Keys.T:	// Torn edge Ctrl + T
+						TornEdgesToolStripMenuItemClick(sender, e);
+						break;
+					case Keys.I:	// Invert Ctrl + I
+						InvertToolStripMenuItemClick(sender, e);
+						break;
+					case Keys.G:	// Grayscale Ctrl + G
+						GrayscaleToolStripMenuItemClick(sender, e);
+						break;
+					case Keys.Delete:	// Grayscale Ctrl + Delete
+						ClearToolStripMenuItemClick(sender, e);
+						break;
+					case Keys.Oemcomma:	// Rotate CCW Ctrl + ,
+						RotateCcwToolstripButtonClick(sender, e);
+						break;
+					case Keys.OemPeriod:	// Rotate CW Ctrl + .
+						RotateCwToolstripButtonClick(sender, e);
 						break;
 				}
 			}
@@ -1157,17 +1175,9 @@ namespace Greenshot {
 					this.Activate();
 					WindowDetails.ToForeground(this.Handle);
 					if (capture!= null && capture.Image != null) {
-						bool addShadow = false;
-						if (addShadow) {
-							Point offset = new Point(-1,-1);
-							using (Bitmap shadowImage = ImageHelper.CreateShadow(capture.Image, 1f, 7, ref offset, PixelFormat.Format32bppArgb)) {
-								surface.AddBitmapContainer(shadowImage, 100, 100);
-							}
-						} else {
 						surface.AddBitmapContainer((Bitmap)capture.Image, 100, 100);
 					}
 				}
-				}
 
 				if (capture!= null) {
 					capture.Dispose();
@@ -1183,45 +1193,42 @@ namespace Greenshot {
 			}
 		}
 
-		
+		void AddBorderToolStripMenuItemClick(object sender, EventArgs e) {
-		void AddBorderToolStripMenuItemClick(object sender, EventArgs e)
-		{
 			surface.ApplyBitmapEffect(Effects.Border);
 			updateUndoRedoSurfaceDependencies();
 		}
 
-		void AddDropshadowToolStripMenuItemClick(object sender, EventArgs e)
+		void AddDropshadowToolStripMenuItemClick(object sender, EventArgs e) {
-		{
 			surface.ApplyBitmapEffect(Effects.Shadow);
 			updateUndoRedoSurfaceDependencies();
 		}
 
-		void TornEdgesToolStripMenuItemClick(object sender, EventArgs e)
+		void TornEdgesToolStripMenuItemClick(object sender, EventArgs e) {
-		{
 			surface.ApplyBitmapEffect(Effects.TornEdge);
 			updateUndoRedoSurfaceDependencies();
 		}
 
-		void GrayscaleToolStripMenuItemClick(object sender, EventArgs e)
+		void GrayscaleToolStripMenuItemClick(object sender, EventArgs e) {
-		{
 			surface.ApplyBitmapEffect(Effects.Grayscale);
 			updateUndoRedoSurfaceDependencies();
 		}
 
-		void RotateCwToolstripButtonClick(object sender, EventArgs e)
+		void ClearToolStripMenuItemClick(object sender, EventArgs e) {
-		{
+			surface.Clear(Color.Transparent);
+			updateUndoRedoSurfaceDependencies();
+		}
+
+		void RotateCwToolstripButtonClick(object sender, EventArgs e) {
 			surface.ApplyBitmapEffect(Effects.RotateClockwise);
 			updateUndoRedoSurfaceDependencies();
 		}
 		
-		void RotateCcwToolstripButtonClick(object sender, EventArgs e)
+		void RotateCcwToolstripButtonClick(object sender, EventArgs e) {
-		{
 			surface.ApplyBitmapEffect(Effects.RotateCounterClockwise);
 			updateUndoRedoSurfaceDependencies();
 		}
 		
-		void InvertToolStripMenuItemClick(object sender, EventArgs e)
+		void InvertToolStripMenuItemClick(object sender, EventArgs e) {
-		{
 			surface.ApplyBitmapEffect(Effects.Invert);
 			updateUndoRedoSurfaceDependencies();
 		}

GreenshotPlugin/Core/ImageHelper.cs

@@ -1115,7 +1115,11 @@ namespace GreenshotPlugin.Core {
 		/// <param name="backgroundColor">The color to fill with, or Color.Empty to take the default depending on the pixel format</param>
 		/// <returns></returns>
 		public static Bitmap CreateEmptyLike(Bitmap sourceBitmap, Color backgroundColor) {
-			return CreateEmpty(sourceBitmap.Width, sourceBitmap.Height, sourceBitmap.PixelFormat, backgroundColor, sourceBitmap.HorizontalResolution, sourceBitmap.VerticalResolution);
+			PixelFormat pixelFormat = sourceBitmap.PixelFormat;
+			if (backgroundColor.A < 255) {
+				pixelFormat = PixelFormat.Format32bppArgb;
+			}
+			return CreateEmpty(sourceBitmap.Width, sourceBitmap.Height, pixelFormat, backgroundColor, sourceBitmap.HorizontalResolution, sourceBitmap.VerticalResolution);
 		}
 
 		/// <summary>