private void SendStringToScreen(String text, CharDisplayInfo cdi)
{
invoke(() =>
{
Image myImage = new Image();
DrawingVisual dv = new DrawingVisual();
DrawingContext dc = dv.RenderOpen();
double x = _cursorX;
double y = _cursorY;
if (lastDrawn != Rect.Empty && inInputMode == false)
{
x = lastDrawn.X + lastDrawn.Width;
}
FontInfo fi = _regularFont;
if (cdi.Font == 4)
{
fi = _fixedFont;
}
FormattedText ft = buildFormattedText(text, fi, cdi, dc);
Brush b = Brushes.Transparent;
if (cdi.ImplementsStyle(ZStyles.REVERSE_STYLE))
{
b = ZColorCheck.ZColorToBrush(cdi.ForegroundColor, ColorType.Foreground);
}
else
{
if (_currentInfo.BackgroundColor != bColor)
{
b = ZColorCheck.ZColorToBrush(cdi.BackgroundColor, ColorType.Background);
}
}
dc.DrawRectangle(b, null, new Rect(0, 0, ft.WidthIncludingTrailingWhitespace, charHeight));
dc.DrawText(ft, new Point(0, 0));
dc.Close();
RenderTargetBitmap bmp = new RenderTargetBitmap((int)dv.ContentBounds.Width, (int)charHeight, 96, 96, PixelFormats.Pbgra32);
bmp.Render(dv);
myImage.Source = bmp;
mainCanvas.Children.Add(myImage);
myImage.SetValue(Canvas.TopProperty, y);
myImage.SetValue(Canvas.LeftProperty, x);
lastDrawn = new Rect(x, y, (int)dv.ContentBounds.Width, charHeight);
removeCoveredImages(myImage);
});
}
private bool IsFixedWidth(CharDisplayInfo Info)
{
return (Info.Font == ZFont.FIXED_WIDTH_FONT || Info.ImplementsStyle(ZStyles.FIXED_WIDTH_STYLE));
}