public void Draw(Graphics canvas, IImageToViewportTransformer transformer, long timestamp, StyleHelper styleHelper)
{
double opacityFactor = infosFading.GetOpacityFactor(timestamp);
if (opacityFactor <= 0)
{
return;
}
using (SolidBrush brushBack = styleHelper.GetBackgroundBrush((int)(opacityFactor * 255)))
using (SolidBrush brushText = styleHelper.GetForegroundBrush((int)(opacityFactor * 255)))
using (Font fontText = styleHelper.GetFont((float)transformer.Scale))
using (Pen penContour = styleHelper.GetForegroundPen((int)(opacityFactor * 255)))
{
// Note: recompute background size in case the font floored.
string text = value.ToString();
SizeF textSize = canvas.MeasureString(text, fontText);
Point bgLocation = transformer.Transform(background.Rectangle.Location);
Size bgSize = new Size((int)textSize.Width, (int)textSize.Height);
SizeF untransformed = transformer.Untransform(textSize);
background.Rectangle = new RectangleF(background.Rectangle.Location, untransformed);
penContour.Width = 2;
Rectangle rect = new Rectangle(bgLocation, bgSize);
RoundedRectangle.Draw(canvas, rect, brushBack, fontText.Height / 4, false, true, penContour);
canvas.DrawString(text, fontText, brushText, rect.Location);
}
}
public void Draw(Graphics canvas, IImageToViewportTransformer transformer, long timestamp, StyleHelper styleHelper)
{
double fOpacityFactor = infosFading.GetOpacityFactor(timestamp);
if (fOpacityFactor <= 0)
{
return;
}
int alpha = (int)(255 * fOpacityFactor);
//SetText(styleHelper);
using (SolidBrush brushBack = styleHelper.GetBackgroundBrush((int)(fOpacityFactor * 255)))
using (SolidBrush brushFront = styleHelper.GetForegroundBrush((int)(fOpacityFactor * 255)))
using (Pen penContour = styleHelper.GetForegroundPen((int)(fOpacityFactor * 255)))
using (Font f = styleHelper.GetFont((float)transformer.Scale))
{
// Note: recompute the background size each time in case font floored.
string text = value.ToString();
penContour.Width = 2;
SizeF textSize = canvas.MeasureString(text, f);
Point bgLocation = transformer.Transform(background.Rectangle.Location);
SizeF untransformed = transformer.Untransform(textSize);
background.Rectangle = new RectangleF(background.Rectangle.Location, untransformed);
Size bgSize;
if (value < 10)
{
bgSize = new Size((int)textSize.Height, (int)textSize.Height);
Rectangle rect = new Rectangle(bgLocation, bgSize);
canvas.FillEllipse(brushBack, rect);
canvas.DrawEllipse(penContour, rect);
}
else
{
bgSize = new Size((int)textSize.Width, (int)textSize.Height);
Rectangle rect = new Rectangle(bgLocation, bgSize);
RoundedRectangle.Draw(canvas, rect, brushBack, f.Height / 4, false, true, penContour);
}
int verticalShift = (int)(textSize.Height / 10);
Point textLocation = new Point(bgLocation.X + (int)((bgSize.Width - textSize.Width) / 2), bgLocation.Y + verticalShift);
canvas.DrawString(text, f, brushFront, textLocation);
}
}