void img_PointerPressed(object sender, PointerRoutedEventArgs e)
{
si = Target.getImage();
//double dx = Canvas.GetLeft(si)+Canvas.GetLeft(Target.SelectLayer);
//double dy = Canvas.GetTop(si) + Canvas.GetTop(Target.SelectLayer);
if (si.Source != null)
{
Target.DisableMove();
sp = e.GetCurrentPoint(si).Position;
}
}
void ProcPhoto_PointerPressed(object sender, PointerRoutedEventArgs e)
{
Image im = LChartPhoto.getImage();
im.PointerPressed -= ProcPhoto_PointerPressed;
if (LChartPhoto.getPhoto() == null)
{
return;
}
Canvas dc = LChartPhoto.getDrawObjectCanvas();
if (!dc.Children.Contains(selectLine))
{
dc.Children.Add(selectLine);
}
Point p = e.GetCurrentPoint(im).Position;
Point?ip = xt.PointToPix(LChartPhoto.getPhoto(), LChartPhoto.getDrawObjectCanvas(), p, false);
if (ip == null)
{
return;
}
selectLine.X1 = selectLine.X2 = p.X;
selectLine.Y1 = 0;
selectLine.Y2 = LChartPhoto.getDrawObjectCanvas().ActualHeight;
selectLine.Stroke = new SolidColorBrush(Colors.Blue);
selectLine.StrokeThickness = 3;
textBlockSelectPosition.Text = ip.Value.X.ToString();
ToolTipService.SetToolTip(textBlockSelectPosition, "总宽像素：" + LChartPhoto.getPhoto().PixelWidth.ToString());
}
private void currentBright_PointerMoved(object sender, PointerRoutedEventArgs e)
{
LChartPhoto im = sender as LChartPhoto;
WriteableBitmap b = im.getPhoto();
if (b != null)
{
Point?p = xt.PointToPix(b, im, e.GetCurrentPoint(im.getImage()).Position, false);
if (p == null)
{
return;
}
DCTestLibrary.PhotoTest pt = new DCTestLibrary.PhotoTest();
Color c = pt.GetPixel(b, Convert.ToInt32(p.Value.X), Convert.ToInt32(p.Value.Y));
float ph, ps, pb;
pt.RGB2HSB(Convert.ToInt32(c.R), Convert.ToInt32(c.G), Convert.ToInt32(c.B), out ph, out ps, out pb);
textBoxCurrentBright.Text = pb.ToString();
}
}
private void buttonVLSelect_Click(object sender, RoutedEventArgs e)
{
Image im = LChartPhoto.getImage();
im.PointerPressed += ProcPhoto_PointerPressed;
}