public SevenSegmentListItem(SevenSegmentDesigner owner)
: base(owner.Component)
{
_SevenSegment = (HMISevenSegment2)owner.Component;
}
private void RefreshImage()
{
Graphics gr_dest = null;
this.StaticImageRatio = (float)((double)Properties.Resources.RedZero.Height / ((double)(Properties.Resources.RedZero.Width * this.m_NumberOfDigits) * 1.1));
//************************************************************
//* Calculate the size ratio of the original t resized image
//************************************************************
float WidthRatio = (float)((double)this.Width / ((double)(Properties.Resources.RedZero.Width * this.m_NumberOfDigits) * 1.1));
float HeightRatio = (float)((double)this.Height / (double)Properties.Resources.RedZero.Height);
//========================================================
if (WidthRatio >= HeightRatio)
{
this.x = (float)this.Width;
this.y = (float)((double)Properties.Resources.RedZero.Height / (double)(Properties.Resources.RedZero.Width * this.m_NumberOfDigits) * (double)this.Width);
this.ImageRatio = HeightRatio;
}
else
{
this.y = (float)this.Height;
if (!(this.Height > 0 && Properties.Resources.LED7Segment0Red.Height > 0))
{
this.x = 1.0F;
}
else
{
this.x = (float)((double)(Properties.Resources.RedZero.Width * this.m_NumberOfDigits) * 1.1 / (double)Properties.Resources.RedZero.Height * (double)this.Height);
}
this.ImageRatio = WidthRatio;
}
//==============================================================
//************************************************
//* Create a text rectangle and align to center
//************************************************
if (this.ImageRatio > 0.0F)
{
this.TextRectangle.X = 0;
this.TextRectangle.Y = Convert.ToInt32(Math.Truncate(Math.Round((double)this.Height * 0.04)));
this.TextRectangle.Width = this.Width;
this.TextRectangle.Height = Convert.ToInt32(Math.Truncate(Math.Round((double)this.Height * 0.18)));
if (this.TextBrush == null)
{
this.TextBrush = new SolidBrush(base.ForeColor);
}
//============================================================
//* If number of digits is more than default image size (4), then draw left meter over right
int LEDWidth = Convert.ToInt32((float)Properties.Resources.RedEight.Width * this.ImageRatio);
int LEDHeight = Convert.ToInt32((float)Properties.Resources.RedEight.Height * this.ImageRatio);
//****************************************************************
// Create Scaled LED images so it will draw faster in Paint event
//****************************************************************
int i = 0;
//****************************************
//* Draw each of the RED digits
//****************************************
for (i = 0; i <= 11; i++)
{
if (this.RedLED[i] != null)
{
this.RedLED[i].Dispose();
}
this.RedLED[i] = new Bitmap(LEDWidth, LEDHeight);
gr_dest = Graphics.FromImage(this.RedLED[i]);
gr_dest.ScaleTransform((float)(0.5 * ImageRatio), (float)(0.5 * ImageRatio));
HMISevenSegment2.SetNumber(gr_dest, i, Color.Red, true);
}
//****************************************
//* Draw each of the Green digits
//****************************************
int r = 0;
for (r = 0; r <= 11; r++)
{
if (this.GreenLED[r] != null)
{
this.GreenLED[r].Dispose();
}
this.GreenLED[r] = new Bitmap(LEDWidth, LEDHeight);
gr_dest = Graphics.FromImage(this.GreenLED[r]);
gr_dest.ScaleTransform((float)(0.5 * ImageRatio), (float)(0.5 * ImageRatio));
HMISevenSegment2.SetNumber(gr_dest, r, Color.Green, true);
}
//* Draw the decimal point to the bitmap
this.RedDecimalImage = new Bitmap(Convert.ToInt32((float)Properties.Resources.RedDecimal.Width * this.ImageRatio), Convert.ToInt32((float)Properties.Resources.RedDecimal.Height * this.ImageRatio));
gr_dest = Graphics.FromImage(this.RedDecimalImage);
gr_dest.DrawImage(Properties.Resources.RedDecimal, 0, 0, this.RedDecimalImage.Width, this.RedDecimalImage.Height);
this.GreenDecimalImage = new Bitmap(Convert.ToInt32((float)Properties.Resources.GreenDecimal.Width * this.ImageRatio), Convert.ToInt32((float)Properties.Resources.GreenDecimal.Height * this.ImageRatio));
gr_dest = Graphics.FromImage(this.GreenDecimalImage);
gr_dest.DrawImage(Properties.Resources.GreenDecimal, 0, 0, this.GreenDecimalImage.Width, this.GreenDecimalImage.Height);
//* Perform some cleanup
gr_dest.Dispose();
if (this._backBuffer != null)
{
this._backBuffer.Dispose();
}
this._backBuffer = new Bitmap(this.Width, this.Height);
this.Invalidate();
}
}
