/// <summary>
/// Resizes the InkPicture to the bounding box of the Ink
/// or the size of this panel (whichever is larger). Call this
/// after transforming the ink in a way that might change
/// the ink's bounding box.
/// TODO: resize such that we catch (allow scrolling for)
/// ink with negative coordinate values.
/// </summary>
private void resizeInkPicture()
{
// Get lower right corner (x,y) of Ink
Rectangle currentInkBoundingBox = inkPic.Ink.GetBoundingBox();
System.Drawing.Point lowerRight = new System.Drawing.Point(currentInkBoundingBox.Right, currentInkBoundingBox.Bottom);
lowerRight.X += SketchPanelConstants.SketchPaddingInk;
lowerRight.Y += SketchPanelConstants.SketchPaddingInk;
using (Graphics g = inkPic.CreateGraphics())
{
inkPic.Renderer.InkSpaceToPixel(g, ref lowerRight);
}
// For now, only make inkPic bigger.
if (lowerRight.X > Math.Max(inkPic.Width, this.Width))
{
inkPic.Width = lowerRight.X;
}
//else
//{
// inkPic.Width = this.Width;
//}
if (lowerRight.Y > Math.Max(inkPic.Height, this.Height))
{
inkPic.Height = lowerRight.Y;
}
//else
//{
// inkPic.Height = this.Height;
//}
}
/// <summary>
/// Invalidate the stroke if FitToCurve is set or there is transparency.
/// </summary>
private void OnInkPicture_Stroke(object sender, Microsoft.Ink.InkCollectorStrokeEventArgs e)
{
if ((inkPicture.EditingMode == InkOverlayEditingMode.Ink) &&
(inkPicture.DefaultDrawingAttributes.FitToCurve ||
((inkPicture.DefaultDrawingAttributes.Transparency > 0) && !m_optimizeForHighlighter.Checked)))
{
using (Graphics g = inkPicture.CreateGraphics())
{
inkPicture.Invalidate(InkSpaceToPixel(g, e.Stroke.GetBoundingBox()));
}
}
}