void BitmapUpdate(Size CurrentSize)
{
// release graphics
if (HUDGraphics != null)
{
HUDGraphics.Dispose();
}
if (GraphicAndCurvesGraphics != null)
{
GraphicAndCurvesGraphics.Dispose();
}
if (PictureBoxGraphics != null)
{
PictureBoxGraphics.Dispose();
}
// release bitmaps
if (HUDBitmap != null)
{
HUDBitmap.Dispose();
}
if (GraphicAndCurvesBitmap != null)
{
GraphicAndCurvesBitmap.Dispose();
}
if (Image != null)
{
Image.Dispose();
}
// allocate new bitmap
if (CurrentSize.Width > 0 && CurrentSize.Height > 0)
{
HUDBitmap = new Bitmap(CurrentSize.Width, CurrentSize.Height);
GraphicAndCurvesBitmap = new Bitmap(CurrentSize.Width, CurrentSize.Height);
Image = new Bitmap(CurrentSize.Width, CurrentSize.Height);
}
else
{
HUDBitmap = new Bitmap(1, 1);
GraphicAndCurvesBitmap = new Bitmap(1, 1);
Image = new Bitmap(1, 1);
}
// create new graphics
HUDGraphics = Graphics.FromImage(HUDBitmap);
GraphicAndCurvesGraphics = Graphics.FromImage(GraphicAndCurvesBitmap);
PictureBoxGraphics = Graphics.FromImage(Image);
}
void DisplayZoomBox(int nX)
{
Int64 Low = -1;
Int64 High = -1;
int SampleCount = -1;
DetermineNewFrequencyRange(nX, ref Low, ref High, ref SampleCount);
int X1 = GraphConfig.GetXFromFrequency(Low);
int X2 = GraphConfig.GetXFromFrequency(High);
if (X1 < GraphConfig.LeftBorder)
{
X1 = GraphConfig.LeftBorder;
}
if (X2 > Size.Width - GraphConfig.RightBorder)
{
X2 = Size.Width - GraphConfig.RightBorder;
}
int nWidh = X2 - X1;
HUDGraphics.Clear(Color.Transparent);
Brush brush = new SolidBrush(Color.FromArgb(10, 255, 0, 0));
//Brush brushText = new SolidBrush(Color.FromArgb(10, 255, 0, 0));
HUDGraphics.FillRectangle(brush, X1, GraphConfig.UpBorder, nWidh, Size.Height - GraphConfig.LowBorder - GraphConfig.UpBorder);
Pen RecPen = new Pen(Color.FromArgb(100, 255, 0, 0), 2);
HUDGraphics.DrawRectangle(RecPen, X1, GraphConfig.UpBorder, nWidh, Size.Height - GraphConfig.LowBorder - GraphConfig.UpBorder);
//HUDGraphics.DrawString("F1 & F2 to ajust size", new Font(FontFamily.GenericMonospace, 10), brushText, new PointF(X1, Size.Height - GraphConfig.LowBorder-20));
//ForeGroundImageGraphics.
this.Invalidate();
//ImageUpdate();
}
public void SpectrumPictureBox_MouseLeave(object sender, EventArgs e)
{
GraphConfig.DrawTopBox(CurvesList); // to redraw only curve names
HUDGraphics.Clear(Color.Transparent);
ImageUpdate();
}
