public static void FillPath(this RenderContext context, ID2DBrush brush, D2DPathData path, float offsetX, float offsetY)
{
context.PushTransform2D();
context.Translate2D(offsetX, offsetY);
context.RenderTarget.DeviceContext2D.FillPath(brush, path);
context.PopTransform2D();
}
public static void DrawPath(this RenderContext context, ID2DPen pen, D2DPathData path, float offsetX, float offsetY)
{
context.PushTransform2D();
context.Translate2D(offsetX, offsetY);
context.RenderTarget.DeviceContext2D.DrawPath(pen, path);
context.PopTransform2D();
}
// Warning: this function seems to have serious memory leak...
private static D2DPathData GetPathData(RenderContext context, string text, FontFace fontFace, float fontSizeInEm)
{
var pathData = new D2DPathData(context.RenderTarget.DeviceContext2D.Factory);
pathData.BeginDraw();
var codePoints = new int[text.Length];
for (var i = 0; i < text.Length; ++i)
{
codePoints[i] = char.ConvertToUtf32(text, i);
}
var indices = fontFace.GetGlyphIndices(codePoints);
fontFace.GetGlyphRunOutline(fontSizeInEm, indices, null, null, false, false, pathData.NativeSink);
pathData.EndDraw();
return(pathData);
}
private void Initialize(RenderContext context, string text, D2DFont d2dFont, FontFace fontFace)
{
Text = text;
D2DFont = d2dFont;
FontFace = fontFace;
var fontSizeInEm = DirectWriteHelper.PointToDip(d2dFont.Size);
LineHeight = fontSizeInEm;
if (text.IndexOf('\n') >= 0)
{
var processedText = text.Replace("\r", string.Empty);
var lines = processedText.Split('\n');
_pathDataArray = new D2DPathData[lines.Length];
_lineHeights = new float[lines.Length];
for (var i = 0; i < lines.Length; ++i)
{
var line = lines[i];
if (!string.IsNullOrWhiteSpace(line))
{
var pathData = GetPathData(context, line, fontFace, fontSizeInEm);
_pathDataArray[i] = pathData;
}
_lineHeights[i] = fontSizeInEm;
}
}
else
{
var pathData = GetPathData(context, text, fontFace, fontSizeInEm);
_pathDataArray = new[] { pathData };
_lineHeights = new[] { fontSizeInEm };
}
}
public static void DrawPath(this RenderContext context, ID2DPen pen, D2DPathData path)
{
context.RenderTarget.DeviceContext2D.DrawPath(pen, path);
}
public static void FillPath(this RenderContext context, ID2DBrush brush, D2DPathData path, PointF offset)
{
context.FillPath(brush, path, offset.X, offset.Y);
}
public static void FillPath(this RenderContext context, ID2DBrush brush, D2DPathData path)
{
context.RenderTarget.DeviceContext2D.FillPath(brush, path);
}
public static void DrawPath(this RenderContext context, ID2DPen pen, D2DPathData path, PointF offset)
{
context.DrawPath(pen, path, offset.X, offset.Y);
}
public static void FillPath(this SharpDX.Direct2D1.RenderTarget target, ID2DBrush brush, D2DPathData path)
{
target.FillGeometry(path.NativeGeometry, brush.NativeBrush);
}
public static void DrawPath(this SharpDX.Direct2D1.RenderTarget target, ID2DPen pen, D2DPathData path)
{
target.DrawGeometry(path.NativeGeometry, pen.Brush.NativeBrush, pen.StrokeWidth, pen.StrokeStyle);
}
