private void Draw(NSRect aRect, NSImage aLeft, NSImage aRight, NSImage aFiller)
{
// draw the background
NSRect leftRect = new NSRect(aRect.MinX, aRect.MinY, aLeft.Size.width, aRect.Height);
aLeft.DrawInRectFromRectOperationFraction(leftRect, NSRect.NSZeroRect, NSCompositingOperation.NSCompositeSourceOver, 1.0f);
NSRect rightRect = new NSRect(aRect.MaxX - aRight.Size.width, aRect.MinY, aRight.Size.width, aRect.Height);
aRight.DrawInRectFromRectOperationFraction(rightRect, NSRect.NSZeroRect, NSCompositingOperation.NSCompositeSourceOver, 1.0f);
NSRect fillerRect = new NSRect(aRect.MinX + aLeft.Size.width, aRect.MinY, aRect.Width - aLeft.Size.width - aRight.Size.width, aRect.Height);
aFiller.DrawInRectFromRectOperationFraction(fillerRect, NSRect.NSZeroRect, NSCompositingOperation.NSCompositeSourceOver, 1.0f);
// draw image
if (iText != null && iImage != null)
{
// button has text and an image
NSSize imgSz = ImageSize;
NSRect imgRect = new NSRect(iTextLeft ? fillerRect.MaxX - imgSz.width : fillerRect.MinX,
aRect.MidY - imgSz.height * 0.5f,
imgSz.width, imgSz.height);
// fit the image to the available rect
imgRect = NSImageHelper.CentreImageInRect(iImage, imgRect);
iImage.DrawInRectFromRectOperationFraction(imgRect.IntegralRect(), NSRect.NSZeroRect, NSCompositingOperation.NSCompositeSourceOver, 1.0f);
}
else if (iImage != null)
{
// image only - draw centred
NSSize imgSz = ImageSize;
NSRect dstRect = new NSRect(aRect.MidX - imgSz.width * 0.5f, aRect.MidY - imgSz.height * 0.5f,
imgSz.width, imgSz.height);
// fit the image to the available rect
dstRect = NSImageHelper.CentreImageInRect(iImage, dstRect);
iImage.DrawInRectFromRectOperationFraction(dstRect.IntegralRect(), NSRect.NSZeroRect, NSCompositingOperation.NSCompositeSourceOver, 1.0f);
}
}
