private static unsafe int DrawGlyphRunImpl(IntPtr thisObject, IntPtr clientDrawingContextPtr, float baselineOriginX, float baselineOriginY, MeasuringMode measuringMode, GlyphRun.__Native *glyphRunNative, GlyphRunDescription.__Native *glyphRunDescriptionNative, IntPtr clientDrawingEffectPtr)
{
try
{
IDWriteTextRendererShadow shadow = ToShadow <IDWriteTextRendererShadow>(thisObject);
IDWriteTextRenderer callback = (IDWriteTextRenderer)shadow.Callback;
using (var glyphRun = new GlyphRun())
{
glyphRun.__MarshalFrom(ref *glyphRunNative);
var glyphRunDescription = new GlyphRunDescription();
glyphRunDescription.__MarshalFrom(ref *glyphRunDescriptionNative);
callback.DrawGlyphRun(clientDrawingContextPtr,
baselineOriginX,
baselineOriginY,
measuringMode,
glyphRun,
ref glyphRunDescription,
clientDrawingEffectPtr == IntPtr.Zero ? null : (IUnknown)Marshal.GetObjectForIUnknown(clientDrawingEffectPtr));
}
return(Result.Ok.Code);
}
catch (Exception ex)
{
return(Result.GetResultFromException(ex).Code);
}
}
private static unsafe int DrawStrikethroughImpl(IntPtr thisObject, IntPtr clientDrawingContextPtr, float baselineOriginX, float baselineOriginY, Strikethrough.__Native *strikethroughNative, IntPtr clientDrawingEffectPtr)
{
try
{
IDWriteTextRendererShadow shadow = ToShadow <IDWriteTextRendererShadow>(thisObject);
IDWriteTextRenderer callback = (IDWriteTextRenderer)shadow.Callback;
var strikethrough = new Strikethrough();
strikethrough.__MarshalFrom(ref *strikethroughNative);
callback.DrawStrikethrough(clientDrawingContextPtr,
baselineOriginX,
baselineOriginY,
ref strikethrough,
clientDrawingEffectPtr == IntPtr.Zero ? null : (IUnknown)Marshal.GetObjectForIUnknown(clientDrawingEffectPtr));
return(Result.Ok.Code);
}
catch (Exception ex)
{
return(Result.GetResultFromException(ex).Code);
}
}
private static int DrawInlineObjectImpl(IntPtr thisObject, IntPtr clientDrawingContextPtr, float originX, float originY, IntPtr inlineObject, int isSideways, int isRightToLeft, IntPtr clientDrawingEffectPtr)
{
try
{
IDWriteTextRendererShadow shadow = ToShadow <IDWriteTextRendererShadow>(thisObject);
IDWriteTextRenderer callback = (IDWriteTextRenderer)shadow.Callback;
callback.DrawInlineObject(clientDrawingContextPtr,
originX,
originY,
inlineObject == IntPtr.Zero ? null : new IDWriteInlineObjectNative(inlineObject),
isSideways != 0,
isRightToLeft != 0,
clientDrawingEffectPtr == IntPtr.Zero ? null : (IUnknown)Marshal.GetObjectForIUnknown(clientDrawingEffectPtr));
return(Result.Ok.Code);
}
catch (Exception ex)
{
return(Result.GetResultFromException(ex).Code);
}
}
public static IntPtr ToIntPtr(IDWriteTextRenderer callback)
{
return(ToCallbackPtr <IDWriteTextRenderer>(callback));
}