/// <summary>
/// See base docs.
/// </summary>
/// <param name="pen"></param>
/// <param name="fromX"></param>
/// <param name="fromY"></param>
/// <param name="toX"></param>
/// <param name="toY"></param>
public override void DrawLine(VrsDrawing.IPen pen, int fromX, int fromY, int toX, int toY)
{
if (pen is PenWrapper penWrapper)
{
GdiPlusLock.EnforceSingleThread(() => {
NativeDrawingContext.DrawLine(
penWrapper.NativePen,
fromX, fromY,
toX, toY
);
});
}
}
/// <summary>
/// See interface docs.
/// </summary>
/// <param name="red"></param>
/// <param name="green"></param>
/// <param name="blue"></param>
/// <param name="alpha"></param>
/// <param name="strokeWidth"></param>
/// <param name="isCached"></param>
/// <returns></returns>
protected override VrsDrawing.IPen CreatePenWrapper(int red, int green, int blue, int alpha, float strokeWidth, bool isCached)
{
VrsDrawing.IPen result = null;
GdiPlusLock.EnforceSingleThread(() => {
result = new PenWrapper(
new Pen(
Color.FromArgb(alpha, red, green, blue),
strokeWidth
),
isCached
);
});
return(result);
}
/// <summary>
/// See base docs.
/// </summary>
/// <param name="text"></param>
/// <param name="font"></param>
/// <param name="fillBrush"></param>
/// <param name="outlinePen"></param>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="alignment"></param>
/// <param name="preferSpeedOverQuality"></param>
public override void DrawText(string text, VrsDrawing.IFont font, VrsDrawing.IBrush fillBrush, VrsDrawing.IPen outlinePen, float x, float y, VrsDrawing.HorizontalAlignment alignment, bool preferSpeedOverQuality = true)
{
if (font is FontWrapper fontWrapper)
{
GdiPlusLock.EnforceSingleThread(() => {
var location = new PointF(x, y);
// Mono ignores these flags...
var stringFormat = new StringFormat()
{
Alignment = Convert.ToSystemDrawingStringAlignment(alignment),
LineAlignment = Convert.ToSystemDrawingStringAlignment(alignment),
FormatFlags = StringFormatFlags.NoWrap,
};
using (var graphicsPath = new GraphicsPath()) {
graphicsPath.AddString(
text,
fontWrapper.NativeFont.FontFamily,
(int)fontWrapper.NativeFont.Style,
fontWrapper.NativeFont.Size,
location,
stringFormat
);
NativeDrawingContext.SmoothingMode = SmoothingMode.AntiAlias;
NativeDrawingContext.InterpolationMode = InterpolationMode.HighQualityBicubic;
if (outlinePen is PenWrapper outlinePenWrapper)
{
NativeDrawingContext.DrawPath(outlinePenWrapper.NativePen, graphicsPath);
}
if (fillBrush is BrushWrapper fillBrushWrapper)
{
NativeDrawingContext.FillPath(fillBrushWrapper.NativeBrush, graphicsPath);
}
}
});
}
}
/// <summary>
/// Creates a new object.
/// </summary>
public CommonPenFactory()
{
Black = CreatePenWrapper(0, 0, 0, 255, 1.0F, isCached: true);
LightGray = CreatePenWrapper(211, 211, 211, 255, 1.0F, isCached: true);
}
/// <summary> /// See interface docs. /// </summary> /// <param name="text"></param> /// <param name="font"></param> /// <param name="fillBrush"></param> /// <param name="outlinePen"></param> /// <param name="x"></param> /// <param name="y"></param> /// <param name="alignment"></param> /// <param name="preferSpeedOverQuality"></param> public abstract void DrawText(string text, VrsDrawing.IFont font, VrsDrawing.IBrush fillBrush, VrsDrawing.IPen outlinePen, float x, float y, VrsDrawing.HorizontalAlignment alignment, bool preferSpeedOverQuality = true);
/// <summary> /// See interface docs. /// </summary> /// <param name="pen"></param> /// <param name="fromX"></param> /// <param name="fromY"></param> /// <param name="toX"></param> /// <param name="toY"></param> public abstract void DrawLine(VrsDrawing.IPen pen, int fromX, int fromY, int toX, int toY);
