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Fixing some bitmap code to work, this should improve the quality a bit. Also re-factored some code so I could add more professionally shadows.

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git-svn-id: http://svn.code.sf.net/p/greenshot/code/trunk@1639 7dccd23d-a4a3-4e1f-8c07-b4c1b4018ab4
This commit is contained in:
RKrom 2012-02-08 12:04:35 +00:00
commit ab7522d743
7 changed files with 360 additions and 253 deletions
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42
Greenshot/Drawing/Surface.cs
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@ -34,12 +34,16 @@ using Greenshot.Plugin.Drawing;
using GreenshotPlugin.Core;
using Greenshot.Memento;
using IniFile;
using Greenshot.Drawing.Filters;
using System.Drawing.Drawing2D;
namespace Greenshot.Drawing {
public delegate void SurfaceElementEventHandler(object source, DrawableContainerList element);
public delegate void SurfaceDrawingModeEventHandler(object source, DrawingModes drawingMode);
public enum DrawingModes { None, Rect, Ellipse, Text, Line, Arrow, Crop, Highlight, Obfuscate, Bitmap, Path }
public enum Effects { Shadow, TornEdge }
/// <summary>
/// Description of Surface.
/// </summary>
@ -522,17 +526,29 @@ namespace Greenshot.Drawing {
return false;
}
public void ApplyBitmapEffect() {
Rectangle cropRectangle = new Rectangle(Point.Empty, Image.Size);
Bitmap tmpImage = ((Bitmap)Image).Clone(cropRectangle, Image.PixelFormat);
tmpImage.SetResolution(Image.HorizontalResolution, Image.VerticalResolution);
public void ApplyBitmapEffect(Effects effect) {
Rectangle imageRectangle = new Rectangle(Point.Empty, Image.Size);
Bitmap newImage = null;
// Currently only one effect exists, others could follow
ImageHelper.ApplyTornEdge(tmpImage);
Point offset = Point.Empty;
switch (effect) {
case Effects.Shadow:
newImage = ImageHelper.CreateShadow((Bitmap)Image, 0.8f, 8, Image.PixelFormat, out offset);
break;
case Effects.TornEdge:
using (Bitmap tmpImage = ImageHelper.CreateTornEdge((Bitmap)Image)) {
newImage = ImageHelper.CreateShadow(tmpImage, 0.8f, 8, Image.PixelFormat, out offset);
}
break;
}
// Make undoable
MakeUndoable(new SurfaceCropMemento(this, cropRectangle), false);
SetImage(tmpImage, false);
if (newImage != null) {
// Make sure the elements move according to the offset the effect made the bitmap move
elements.MoveBy(offset.X, offset.Y);
// Make undoable
MakeUndoable(new SurfaceCropMemento(this, imageRectangle), false);
SetImage(newImage, false);
}
}
public bool isCropPossible(ref Rectangle cropRectangle) {
@ -757,6 +773,10 @@ namespace Greenshot.Drawing {
Bitmap clone = ImageHelper.CloneImageToBitmap(Image);
// otherwise we would have a problem drawing the image to the surface... :(
using (Graphics graphics = Graphics.FromImage(clone)) {
graphics.SmoothingMode = SmoothingMode.HighQuality;
graphics.PixelOffsetMode = PixelOffsetMode.HighQuality;
graphics.CompositingQuality = CompositingQuality.HighQuality;
graphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
elements.Draw(graphics, (Bitmap)clone, renderMode, new Rectangle(Point.Empty, clone.Size));
}
return clone;
@ -792,6 +812,10 @@ namespace Greenshot.Drawing {
}
// Elements might need the bitmap, so we copy the part we need
using (Graphics graphics = Graphics.FromImage(buffer)) {
graphics.SmoothingMode = SmoothingMode.HighQuality;
graphics.PixelOffsetMode = PixelOffsetMode.HighQuality;
graphics.CompositingQuality = CompositingQuality.HighQuality;
graphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
graphics.DrawImage(Image, clipRectangle, clipRectangle, GraphicsUnit.Pixel);
graphics.SetClip(targetGraphics);
elements.Draw(graphics, buffer, RenderMode.EDIT, clipRectangle);