public void SetTargetSizeToCropHandler (CropDefinitionUISupport CropSupport, BitmapSource Source)
{
if (TargetSizeType == TypeOfTargetSize.AsItIs)
{
Width = (int) Source.Width;
Height = (int) Source.Height;
CropToMinWidth = (int) Source.Width;
CropToMinHeight = (int) Source.Height;
CropSupport.AspectRatio = new Size (Width, Height);
CropSupport.Coordinate = new System.Windows.Point (0, 0);
CropSupport.Width = (int) Source.Width;
CropSupport.Height = (int) Source.Height;
return;
}
double Percentage = 0.9;
if (TargetSizeType == TypeOfTargetSize.FixedRelation)
{
Width = 600;
Height = 400;
}
if (TargetSizeType == TypeOfTargetSize.UserDefined)
{
Width = CropToMinWidth;
Height = CropToMinHeight;
Percentage = 1.0;
}
CropSupport.AspectRatio = new Size (Width, Height);
if (Width > Height)
{
CropSupport.Width = Source.Width * Percentage;
}
else
{
CropSupport.Height = Source.Height * Percentage;
}
CropSupport.Coordinate = new System.Windows.Point (Source.Width / 2 - CropSupport.Width / 2, Source.Height / 2 - CropSupport.Height / 2);
CropSupport.AspectRatio = null;
}
private void LoadAll ()
{
TargetSizeSelector.Items.Clear ();
foreach (TargetSize Entry in TargetSizes)
{
ComboBoxItem Item = new ComboBoxItem ();
Item.Tag = Entry;
Item.Content = Entry.Name;
TargetSizeSelector.Items.Add (Item);
}
TargetSizeSelector.SelectedIndex = 0;
ActuallTargetSize = TargetSizes [0];
GeometryData.Text = String.Format ("{0:F} * {1:F}, Rel = {2:F5}", Source.Width, Source.Height, Source.Width / Source.Height);
ImageBrush SourceBrush = new ImageBrush (Source);
SourceBrush.AlignmentX = AlignmentX.Left;
SourceBrush.AlignmentY = AlignmentY.Top;
SourceBrush.Stretch = Stretch.None;
//Begin Initializing ContentEditor
advancedContentPresenter.Background = SourceBrush;
advancedContentPresenter.BindSliderToScaleing (LoopSlider);
//Begin Initializing CropDefinitionUISupport
CropSupport = new CropDefinitionUISupport ();
advancedContentPresenter.Children.Add (CropSupport.GetControl ());
CropSupport.Background = new SolidColorBrush (System.Windows.Media.Color.FromArgb (150, 0, 0, 0));
CropSupport.Finished += CropSupport_Finished;
CropSupport.BindReverseScalingToContent ();
ActuallTargetSize.SetTargetSizeToCropHandler (CropSupport, Source);
Auswahl.Finished += new AuswahlControl.AuswahlControlFinishedDelegate (Auswahl_Finished);
advancedContentPresenter.FitToBackgroundImage ();
LoopSlider.Minimum = LoopSlider.Value / 5;
LoopSlider.Maximum = LoopSlider.Value * 5;
}
void CropSupport_Finished (CropDefinitionUISupport sender, Rect outerRect, Rect innerRect)
{
if ((Source.Width < outerRect.X)
|| ((innerRect.X + innerRect.Width) < 0))
{
MessageBox.Show ("Der Begin des ausgeschnittenen Bereiches\r\n"
+ "liegt links oder rechts außerhalb des Ursprungsbildes");
return;
}
if ((Source.Height < innerRect.Y)
|| ((innerRect.Y + innerRect.Height) < 0))
{
MessageBox.Show ("Der Begin des ausgeschnittenen Bereiches\r\n"
+ "liegt oben oder unten außerhalb des Ursprungsbildes");
return;
}
if (Source.Width < (innerRect.X + innerRect.Width))
{
MessageBox.Show ("Das Ende des ausgeschnittenen Bereiches\r\n"
+ "liegt rechts außerhalb des Ursprungsbildes.\r\n"
+ "Der Ausschnitt wird verkleinert");
innerRect.Width = Source.Width - innerRect.X;
}
if (innerRect.X < 0)
{
MessageBox.Show ("Das Ende des ausgeschnittenen Bereiches\r\n"
+ "liegt links außerhalb des Ursprungsbildes.\r\n"
+ "Der Ausschnitt wird verkleinert");
innerRect.Width += innerRect.X;
innerRect.X = 0;
}
if (Source.Height < (innerRect.Y + innerRect.Height))
{
MessageBox.Show ("Das Ende des ausgeschnittenen Bereiches\r\n"
+ "liegt unterhalb des Ursprungsbildes.\r\n"
+ "Der Ausschnitt wird verkleinert");
innerRect.Height = Source.Height - innerRect.Y;
}
if (innerRect.Y < 0)
{
MessageBox.Show ("Das Ende des ausgeschnittenen Bereiches\r\n"
+ "liegt oberhalb des Ursprungsbildes.\r\n"
+ "Der Ausschnitt wird verkleinert");
innerRect.Height += innerRect.Y;
innerRect.Y = 0;
}
double conversionX = Source.PixelWidth / Source.Width;
double conversionY = Source.PixelHeight / Source.Height;
IntermediateCroppedSource = new CroppedBitmap (Source, new Int32Rect (
(int) (innerRect.X * conversionX),
(int) (innerRect.Y * conversionY),
(int) (innerRect.Width * conversionX),
(int) (innerRect.Height * conversionY)));
double CropToAspectRatio = (double) ActuallTargetSize.CropToMinWidth / (double) ActuallTargetSize.CropToMinHeight;
double IntermediateCroppedAspectRatio = IntermediateCroppedSource.Width / IntermediateCroppedSource.Height;
double FinalBitmapWidth = 0;
double FinalBitmapHeight = 0;
if (ActuallTargetSize.Width > 0)
{
FinalBitmapWidth = ActuallTargetSize.CropToMinWidth;
FinalBitmapHeight = ActuallTargetSize.CropToMinHeight;
}
else
{
if (Math.Abs (IntermediateCroppedAspectRatio - CropToAspectRatio) < 0.001)
{
FinalBitmapWidth = ActuallTargetSize.CropToMinWidth;
FinalBitmapHeight = ActuallTargetSize.CropToMinHeight;
}
else
{
if (IntermediateCroppedAspectRatio > CropToAspectRatio)
{
FinalBitmapHeight = ActuallTargetSize.CropToMinHeight;
FinalBitmapWidth = ActuallTargetSize.CropToMinHeight * IntermediateCroppedAspectRatio;
}
else
{
FinalBitmapWidth = ActuallTargetSize.CropToMinWidth;
FinalBitmapHeight = ActuallTargetSize.CropToMinWidth / IntermediateCroppedAspectRatio;
}
}
}
double Scale = FinalBitmapWidth / IntermediateCroppedSource.Width;
if (Scale > 1)
Scale = 1;
CroppedSource = new TransformedBitmap (IntermediateCroppedSource, new ScaleTransform (Scale, Scale));
if ((bool) PNGRequested.IsChecked)
FormatToCreate = "png";
if ((bool) JPGRequested.IsChecked)
FormatToCreate = "jpg";
if ((bool) AsItIsRequested.IsChecked)
FormatToCreate = "jpg";
CropSupport.Content = Auswahl.container;
CropSupport.BindReverseScalingToContent ();
CropSupport.IsMoveable = false;
CropSupport.IsResizeable = false;
}
