public Size ToScreenCoords(Size imageRect)
{
var scalef = ImageConverter.ScaleFactor(RealImageSize, ImageRectangle.Size);
var result = ImageConverter.ScaleRectangle(new Rectangle(0, 0, imageRect.Width, imageRect.Height), scalef);
return(result.Size);
}
public Rectangle ToScreenCoords(Rectangle imageRect)
{
var scalef = ImageConverter.ScaleFactor(RealImageSize, ImageRectangle.Size);
var result = ImageConverter.ScaleRectangle(imageRect, scalef);
result.Offset(ImageRectangle.Location);
return(result);
}
public Rectangle ToImageCoords(Rectangle screenRect)
{
var scalef = ImageConverter.ScaleFactor(RealImageSize, ImageRectangle.Size);
var result = new Rectangle(
screenRect.X - ImageRectangle.X, screenRect.Y - ImageRectangle.Y, screenRect.Width, screenRect.Height);
result = ImageConverter.ScaleRectangle(result, 1.0 / scalef);
return(result);
}
/// <summary>
/// Paints an overview image with detail rectangle areas painted onto it (same size as current display).
/// </summary>
/// <returns></returns>
public Image PaintOverviewImage()
{
using (var pen = new Pen(Color.Orange, 3))
{
Bitmap b = new Bitmap(_pbt.ImageRectangle.Width, _pbt.ImageRectangle.Height);
using (Graphics g = Graphics.FromImage((Image)b))
{
// scale the image to picturebox size
var f = ImageConverter.ScaleFactor(pictureBox1.Image.Size, _pbt.ImageRectangle.Size);
var scaledImage = ImageConverter.ResizeImage(pictureBox1.Image, _pbt.ImageRectangle.Size);
g.DrawImage(scaledImage, 0, 0);
scaledImage.Dispose();
foreach (var detail in Photo.Project.DetailAreas)
{
g.DrawRectangle(pen, ImageConverter.ScaleRectangle(detail.Crop, f));
}
return(b);
}
}
}