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Fixed shadow usage of the BitmapContainer (toggle shadow DOES reset the size)

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git-svn-id: http://svn.code.sf.net/p/greenshot/code/trunk@2098 7dccd23d-a4a3-4e1f-8c07-b4c1b4018ab4
This commit is contained in:
RKrom 2012-09-26 11:55:55 +00:00
parent e3dac6b438
commit 68c0cf091a
1 changed files with 75 additions and 14 deletions
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89
Greenshot/Drawing/BitmapContainer.cs
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@ -38,26 +38,78 @@ namespace Greenshot.Drawing {
public class BitmapContainer : DrawableContainer, IBitmapContainer {
private static log4net.ILog LOG = log4net.LogManager.GetLogger(typeof(BitmapContainer));
protected Bitmap bitmap;
private Bitmap bitmap;
/// <summary>
/// This is the shadow version of the bitmap, rendered once to save performance
/// Do not serialize, as the shadow is recreated from the original bitmap if it's not available
/// </summary>
[NonSerialized]
private Bitmap shadowBitmap = null;
/// <summary>
/// This is the offset for the shadow version of the bitmap
/// Do not serialize, as the offset is recreated
/// </summary>
[NonSerialized]
private Point shadowOffset = new Point(-1, -1);
public BitmapContainer(Surface parent, string filename) : this(parent) {
AddField(GetType(), FieldType.SHADOW, false);
Load(filename);
}
public BitmapContainer(Surface parent) : base(parent) {
AddField(GetType(), FieldType.SHADOW, false);
FieldChanged += BitmapContainer_OnFieldChanged;
}
protected void BitmapContainer_OnFieldChanged(object sender, FieldChangedEventArgs e) {
if (sender.Equals(this)) {
if (e.Field.FieldType == FieldType.SHADOW) {
ChangeShadowField();
}
}
}
public void ChangeShadowField() {
bool shadow = GetFieldValueAsBool(FieldType.SHADOW);
if (shadow) {
CheckShadow(shadow);
this.Width = shadowBitmap.Width;
this.Height = shadowBitmap.Height;
this.Left = this.Left - this.shadowOffset.X;
this.Top = this.Top - this.shadowOffset.Y;
} else {
this.Width = bitmap.Width;
this.Height = bitmap.Height;
if (shadowBitmap != null) {
this.Left = this.Left + this.shadowOffset.X;
this.Top = this.Top + this.shadowOffset.Y;
}
}
}
public Bitmap Bitmap {
set {
if (bitmap != null) {
bitmap.Dispose();
}
if (shadowBitmap != null) {
shadowBitmap.Dispose();
shadowBitmap = null;
}
bitmap = ImageHelper.Clone(value);
Width = value.Width;
Height = value.Height;
bool shadow = GetFieldValueAsBool(FieldType.SHADOW);
CheckShadow(shadow);
if (!shadow) {
Width = bitmap.Width;
Height = bitmap.Height;
} else {
Width = shadowBitmap.Width;
Height = shadowBitmap.Height;
this.Left = this.Left - this.shadowOffset.X;
this.Top = this.Top - this.shadowOffset.Y;
}
}
get { return bitmap; }
}
@ -90,13 +142,21 @@ namespace Greenshot.Drawing {
if (bitmap != null) {
bitmap.Dispose();
}
if (shadowBitmap != null) {
shadowBitmap.Dispose();
}
}
bitmap = null;
shadowBitmap = null;
}
public void Load(string filename) {
if (File.Exists(filename)) {
Bitmap = ImageHelper.LoadBitmap(filename);
// Always make sure ImageHelper.LoadBitmap results are disposed some time,
// as we close the bitmap internally, we need to do it afterwards
using (Bitmap tmpImage = ImageHelper.LoadBitmap(filename)) {
Bitmap = tmpImage;
}
LOG.Debug("Loaded file: " + filename + " with resolution: " + Height + "," + Width);
}
}
@ -110,6 +170,12 @@ namespace Greenshot.Drawing {
base.Rotate(rotateFlipType);
}
private void CheckShadow(bool shadow) {
if (shadow && shadowBitmap == null) {
shadowBitmap = ImageHelper.CreateShadow(bitmap, 1f, 6, ref shadowOffset, PixelFormat.Format32bppArgb);
}
}
public override void Draw(Graphics graphics, RenderMode rm) {
if (bitmap != null) {
bool shadow = GetFieldValueAsBool(FieldType.SHADOW);
@ -119,16 +185,11 @@ namespace Greenshot.Drawing {
graphics.PixelOffsetMode = PixelOffsetMode.HighQuality;
if (shadow) {
ImageAttributes ia = new ImageAttributes();
ColorMatrix cm = new ColorMatrix();
cm.Matrix00 = 0;
cm.Matrix11 = 0;
cm.Matrix22 = 0;
cm.Matrix33 = 0.25f;
ia.SetColorMatrix(cm);
graphics.DrawImage(bitmap, new Rectangle(Bounds.Left + 2, Bounds.Top + 2, Bounds.Width, Bounds.Height), 0, 0, bitmap.Width, bitmap.Height, GraphicsUnit.Pixel, ia);
CheckShadow(shadow);
graphics.DrawImage(shadowBitmap, Bounds);
} else {
graphics.DrawImage(bitmap, Bounds);
}
graphics.DrawImage(bitmap, Bounds);
}
}