public void SetLegendImage(KSeries series)
{
NSImage nsImage;
int thickness = (series.lineStyle == KLineStyle.Thick) ? 3 : (series.lineMode == KLineMode.Line) ? 1 : 8;
const int height = 16; const int width = 50; const int padding = 1; const int frame = 3; const int left = 0;
int framedH = thickness + 2 * frame; int framedY = (height - 2 * padding - framedH) / 2;
int framedW = width - 2 * padding; int framedX = left + padding;
using (CGBitmapContext bitmap = CG.Bitmap(left + width, height)) {
CG.DrawRect(bitmap, new CGRect(0, 0, left + width, height), CG.Color(new SKColor(0, 0, 0, 0))); // transparent
if (series.visible)
{
CG.DrawRect(bitmap, new CGRect(framedX, framedY, framedW, framedH), CG.Color(SKColors.White));
CG.DrawRect(bitmap, new CGRect(framedX + frame, framedY + frame, framedW - 2 * frame, thickness), CG.Color(series.color));
}
using (CGImage cgImage = bitmap.ToImage()) {
nsImage = new NSImage(cgImage, new CGSize(cgImage.Width, cgImage.Height));
}
}
this.imageDM = nsImage;
this.imageLM = nsImage;
this.button.Image = nsImage;
}
public /*interface Painter*/ void DrawRect(SKRect rect, SKPaint paint)
{
CG.DrawRect(canvas, CG.Rect(rect), paint);
}
