public void Draw(Bitmap bitmap, Graphics canvas, ImageTransform imageTransform, bool mirrored, Size originalSize)
{
if (mode == MagnifierMode.None)
{
return;
}
source.Draw(canvas, imageTransform.Transform(source.Rectangle), Pens.White, (SolidBrush)Brushes.White, 4);
DrawInsert(bitmap, canvas, imageTransform, mirrored, originalSize);
}
public int HitTest(PointF point, ImageTransform transformer)
{
int result = -1;
if (insert.Contains(point))
{
result = 5;
}
else
{
result = source.HitTest(point, transformer);
}
return(result);
}
public bool OnMouseDown(PointF location, ImageTransform transformer)
{
if (mode != MagnifierMode.Indirect)
{
return(false);
}
hitHandle = HitTest(location, transformer);
if (hitHandle == 0)
{
sourceLastLocation = location;
}
else if (hitHandle == 5)
{
insertLastLocation = location;
}
return(hitHandle >= 0);
}
private void DrawInsert(Bitmap bitmap, Graphics canvas, ImageTransform imageTransform, bool mirrored, Size originalSize)
{
// The bitmap passed in is the image decoded, so it might be at a different size than the original image size.
// We also need to take mirroring into account (until it's included in the ImageTransform).
double scaleX = (double)bitmap.Size.Width / originalSize.Width;
double scaleY = (double)bitmap.Size.Height / originalSize.Height;
Rectangle scaledSource = source.Rectangle.Scale(scaleX, scaleY);
Rectangle src;
if (mirrored)
{
src = new Rectangle(bitmap.Width - scaledSource.Left, scaledSource.Top, -scaledSource.Width, scaledSource.Height);
}
else
{
src = scaledSource;
}
canvas.DrawImage(bitmap, imageTransform.Transform(insert), src, GraphicsUnit.Pixel);
canvas.DrawRectangle(Pens.White, imageTransform.Transform(insert));
}
public bool IsOnObject(PointF location, ImageTransform transformer)
{
return(HitTest(location, transformer) >= 0);
}
private bool DrawingHitTest(Metadata metadata, int keyFrameIndex, PointF mouseCoordinates, long currentTimeStamp, DistortionHelper distorter, ImageTransform transformer)
{
bool isOnDrawing = false;
int hitResult = -1;
int currentDrawing = 0;
Keyframe kf = metadata.Keyframes[keyFrameIndex];
while (hitResult < 0 && currentDrawing < kf.Drawings.Count)
{
hitResult = kf.Drawings[currentDrawing].HitTest(mouseCoordinates, currentTimeStamp, distorter, transformer, transformer.Zooming);
if (hitResult < 0)
{
currentDrawing++;
continue;
}
isOnDrawing = true;
selectedObjectType = SelectedObjectType.Drawing;
metadata.SelectDrawing(kf.Drawings[currentDrawing]);
metadata.SelectKeyframe(kf);
if (hitResult > 0)
{
manipulationType = ManipulationType.Resize;
resizingHandle = hitResult;
}
else
{
manipulationType = ManipulationType.Move;
}
}
return(isOnDrawing);
}
