public D2DSize MeasureText(string text, string fontName, float fontSize, D2DSize placeSize)
{
D2DSize outputSize = placeSize;
D2D.MeasureText(this.Handle, text, fontName, fontSize, ref outputSize);
return(outputSize);
}
public D2DBitmapGraphics CreateBitmapGraphics(D2DSize size)
{
HANDLE bitmapRenderTargetHandle = D2D.CreateBitmapRenderTarget(this.Handle, size);
return(bitmapRenderTargetHandle == HANDLE.Zero ? null
: new D2DBitmapGraphics(bitmapRenderTargetHandle));
}
public D2DGeometry CreatePieGeometry(D2DPoint origin, D2DSize size, float startAngle, float endAngle)
{
var path = this.CreatePathGeometry();
var halfSize = new D2DSize(size.width * 0.5f, size.height * 0.5f);
var sangle = startAngle * Math.PI / 180f;
var eangle = endAngle * Math.PI / 180f;
var angleDiff = endAngle - startAngle;
var startPoint = new D2DPoint((float)(origin.x + halfSize.width * Math.Cos(sangle)),
(float)(origin.y + halfSize.height * Math.Sin(sangle)));
var endPoint = new D2DPoint((float)(origin.x + halfSize.width * Math.Cos(eangle)),
(float)(origin.y + halfSize.height * Math.Sin(eangle)));
path.AddLines(new D2DPoint[] { origin, startPoint });
path.AddArc(endPoint, halfSize, angleDiff,
angleDiff > 180 ? D2D1_ARC_SIZE.D2D1_ARC_SIZE_LARGE : D2D1_ARC_SIZE.D2D1_ARC_SIZE_SMALL,
D2D1_SWEEP_DIRECTION.D2D1_SWEEP_DIRECTION_CLOCKWISE);
path.ClosePath();
return(path);
}
public D2DGeometry CreatePieGeometry(D2DPoint origin, D2DSize size, float startAngle, float endAngle)
{
var path = this.CreatePathGeometry();
var halfSize = new D2DSize(size.width * 0.5f, size.height * 0.5f);
var sangle = startAngle * Math.PI / 180f;
var eangle = endAngle * Math.PI / 180f;
var angleDiff = endAngle - startAngle;
var startPoint = new D2DPoint((float)(origin.x + halfSize.width * Math.Cos(sangle)),
(float)(origin.y + halfSize.height * Math.Sin(sangle)));
var endPoint = new D2DPoint((float)(origin.x + halfSize.width * Math.Cos(eangle)),
(float)(origin.y + halfSize.height * Math.Sin(eangle)));
path.AddLines(new D2DPoint[] { origin, startPoint });
path.AddArc(endPoint, halfSize, angleDiff,
angleDiff > 180 ? D2DArcSize.Large : D2DArcSize.Small,
D2DSweepDirection.Clockwise);
path.ClosePath();
return(path);
}
public void DrawEllipse(D2DPoint origin, D2DSize radial, D2DColor color,
FLOAT weight = 1, D2DDashStyle dashStyle = D2DDashStyle.Solid)
{
var ellipse = new D2DEllipse(origin, radial);
this.DrawEllipse(ellipse, color, weight, dashStyle);
}
public static extern void AddPathArc(HANDLE ctx, D2DSize size, D2DPoint endPoint, FLOAT sweepAngle,
D2D1_SWEEP_DIRECTION sweepDirection = D2D1_SWEEP_DIRECTION.D2D1_SWEEP_DIRECTION_CLOCKWISE);
public void FillRectangle(D2DPoint origin, D2DSize size, D2DColor color)
{
this.FillRectangle(new D2DRect(origin, size), color);
}
public void DrawRectangle(D2DPoint origin, D2DSize size, D2DColor color, FLOAT strokeWidth = 1,
D2DDashStyle dashStyle = D2DDashStyle.Solid)
{
this.DrawRectangle(new D2DRect(origin, size), color, strokeWidth, dashStyle);
}
public static extern void AddPathArc(HANDLE ctx, D2DPoint endPoint, D2DSize size, FLOAT sweepAngle,
D2DArcSize arcSize = D2DArcSize.Small,
D2DSweepDirection sweepDirection = D2DSweepDirection.Clockwise);
public static extern void MeasureText([In] HANDLE ctx, [In] string text, [In] string fontName,
[In] FLOAT fontSize, ref D2DSize size);
public D2DEllipse(D2DPoint center, D2DSize radius)
: this(center, radius.width, radius.height)
{
}
public D2DRect(D2DPoint origin, D2DSize size)
: this(origin.x - size.width * 0.5f, origin.y - size.height * 0.5f, size.width, size.height)
{
}
public void AddArc(D2DPoint endPoint, D2DSize size, FLOAT sweepAngle,
D2D1_ARC_SIZE arcSize = D2D1_ARC_SIZE.D2D1_ARC_SIZE_SMALL,
D2D1_SWEEP_DIRECTION sweepDirection = D2D1_SWEEP_DIRECTION.D2D1_SWEEP_DIRECTION_CLOCKWISE)
{
D2D.AddPathArc(this.Handle, endPoint, size, sweepAngle, arcSize, sweepDirection);
}
public D2DGeometry CreateEllipseGeometry(D2DPoint origin, D2DSize size)
{
var ellipse = new D2DEllipse(origin, size);
return(new D2DGeometry(this.Handle, D2D.CreateEllipseGeometry(this.Handle, ref ellipse)));
}
public void AddArc(D2DSize size, D2DPoint endPoint, FLOAT sweepAngle,
D2D1_SWEEP_DIRECTION sweepDirection = D2D1_SWEEP_DIRECTION.D2D1_SWEEP_DIRECTION_CLOCKWISE)
{
D2D.AddPathArc(this.Handle, size, endPoint, sweepAngle);
}
public static extern HANDLE CreateBitmapRenderTarget([In] HANDLE context, D2DSize size);
// TODO: unnecessary API and it doesn't work very well, consider to remove
//public void AddEllipse(D2DEllipse ellipse)
//{
// D2D.AddPathEllipse(this.Handle, ref ellipse);
//}
public void AddArc(D2DPoint endPoint, D2DSize size, FLOAT sweepAngle,
D2DArcSize arcSize = D2DArcSize.Small,
D2DSweepDirection sweepDirection = D2DSweepDirection.Clockwise)
{
D2D.AddPathArc(this.Handle, endPoint, size, sweepAngle, arcSize, sweepDirection);
}
