public void drawHeatmapImage(Dhr_HeatmapComponent Owner, Graphics graphics, RectangleF imgBounds)
{
SizeF pixelSize = new SizeF(imgBounds.Width / 365.0f, imgBounds.Height / 24.0f);
int i = 0;
for (int d = 0; d < 365; d++) for (int h = 0; h < 24; h++)
{
Color c = Color.Transparent;
if (Owner.plotvals.ContainsKey(i))
{
double t = Owner.plotdomain.NormalizedParameterAt(Owner.plotvals[i]);
if (t < 0) c = Color.Blue;
else if (t > 1) c = Color.Red;
// else c = Color.FromArgb(255, (int)(255 * (1 - t)), (int)(255 * (1 - t)), (int)(255 * (1 - t))); // what? is black high or low?
else c = Color.FromArgb(255, (int)(255 * (t)), (int)(255 * (t)), (int)(255 * (t)));
}
SolidBrush brush = new SolidBrush(c);
System.Drawing.PointF pt = new System.Drawing.PointF(imgBounds.Location.X + pixelSize.Width * d, imgBounds.Location.Y + pixelSize.Height * h);
graphics.FillRectangle(brush, new RectangleF(pt, pixelSize));
i++;
}
}
private Bitmap makeHeatmapImage_SUPERSEDED(Dhr_HeatmapComponent Owner)
{
int pixelWidth = 3;
int pixelHeight = 10;
Bitmap bmp = new Bitmap(365 * pixelWidth, 24 * pixelHeight);
using (Graphics gfx = Graphics.FromImage(bmp))
{
int i = 0;
for (int d = 0; d < 365; d++) for (int h = 0; h < 24; h++)
{
Color c = Color.Transparent;
if (Owner.plotvals.ContainsKey(i))
{
double t = Owner.plotdomain.NormalizedParameterAt(Owner.plotvals[i]);
if (t < 0) c = Color.Blue;
else if (t > 1) c = Color.Red;
else c = Color.FromArgb(255, (int)(255 * (1 - t)), (int)(255 * (1 - t)), (int)(255 * (1 - t)));
}
SolidBrush brush = new SolidBrush(c);
gfx.FillRectangle(brush, pixelWidth * d, pixelHeight * h, pixelWidth, pixelHeight);
i++;
}
}
return bmp;
}
public Dhr_HeatmapComponent_Attributes(Dhr_HeatmapComponent owner)
: base(owner)
{
}