private static void OnImageWidthChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
ImageScaler s = (ImageScaler)d;
var doub = e.NewValue as double?;
if (!doub.IsRealNumber() || !s.ImageHeight.IsRealNumber())
{
return;
}
if (!s.scaleHeight || !s.linkedScale)
{
return;
}
if (e.NewValue == null || e.OldValue == null)
{
return;
}
s.scaleWidth = false;
double sizeFactor = (double)e.NewValue / (double)e.OldValue;
double newHeight = sizeFactor * s.ImageHeight.Value;
s.ImageHeight = newHeight;
s.scaleWidth = true;
}
private static void OnImageChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
ImageScaler s = (ImageScaler)d;
if (e.NewValue == null)
{
Reset(s);
return;
}
Image help = new Image();
help.Source = (ImageSource)e.NewValue;
try
{
s.scaleHeight = false;
s.scaleWidth = false;
BitmapSource SourceData = (BitmapSource)help.Source;
s.ImageWidth = SourceData.PixelWidth;
s.ImageHeight = SourceData.PixelHeight;
s._originalSize = new Size(SourceData.PixelWidth, SourceData.PixelHeight);
s.border1.BorderBrush = s.border2.BorderBrush = Brushes.DarkGray;
s.noimage.Visibility = Visibility.Hidden;
}
catch
{
Reset(s);
}
finally
{
s.scaleHeight = true;
s.scaleWidth = true;
}
}
private static void Reset(ImageScaler s)
{
s.ImageWidth = null;
s.ImageHeight = null;
s.border1.BorderBrush =
s.border2.BorderBrush = new SolidColorBrush(DiverseUtilities.ColorFromString("#FF283266"));
s.noimage.Visibility = Visibility.Visible;
}
private static void OnStringListChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
ImageScaler s = (ImageScaler)d;
if (e.NewValue == null)
{
return;
}
s.Watermark = ((ImageScalerTranslations)e.NewValue).DoubleClick;
}
private static void LineColorChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
ImageScaler scal = (ImageScaler)d;
Color col = (Color)e.NewValue;
col.A = 0;
LinearGradientBrush br = new LinearGradientBrush((Color)e.NewValue, col, new Point(0, 0), new Point(1, 1));
scal.trenner.Stroke = br;
}
private static void OnScaleModeChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
ImageScaler s = (ImageScaler)d;
s.comboBorder.Visibility = (bool)e.NewValue ? Visibility.Visible : Visibility.Hidden;
}
