public unsafe void ShowCGGlyphs (
short[] /* const CGGlyph* = CGFontIndex* = unsigned short* */ glyphs,
CGPoint[] /* const CGPoint* */ positions,
nuint /* NSUInteger */ glyphCount,
UIFont font,
CGAffineTransform textMatrix,
NSDictionary attributes,
CGContext graphicsContext)
{
fixed (short* gl = glyphs) {
fixed (CGPoint* pos = positions) {
ShowCGGlyphsInternal ((IntPtr) gl, (IntPtr) pos, glyphCount, font, textMatrix, attributes, graphicsContext);
}
}
}
public void Draw(CGContext ctx)
{
if (ctx == null)
throw new ArgumentNullException ("ctx");
CTFrameDraw (handle, ctx.Handle);
}
static void DrawCallback (IntPtr voidptr, IntPtr cgcontextptr)
{
GCHandle gch = GCHandle.FromIntPtr (voidptr);
DrawPattern draw_pattern = (DrawPattern) gch.Target;
using (var ctx = new CGContext (cgcontextptr))
draw_pattern (ctx);
}
public static void PushContext(CGContext ctx)
{
UIGraphicsPushContext (ctx.Handle);
}
public static NSGraphicsContext FromGraphicsPort(CGContext context, bool initialFlippedState)
{
if (context == null)
throw new ArgumentNullException ("context");
return FromGraphicsPort (context.Handle, initialFlippedState);
}
public static CGLayer Create (CGContext context, CGSize size)
{
// note: auxiliaryInfo is reserved and should be null
return new CGLayer (CGLayerCreateWithContext (context == null ? IntPtr.Zero : context.Handle, size, IntPtr.Zero), true);
}
public static CIContext FromContext(CGContext ctx)
{
return FromContext (ctx, (CIContextOptions) null);
}
public static CIContext FromContext(CGContext ctx, CIContextOptions options)
{
return FromContext (ctx, options?.Dictionary);
}
public static CIContext FromContext(CGContext ctx, CIContextOptions options)
{
NSDictionary dict = options == null ? null : options.Dictionary;
return FromContext (ctx, dict);
}
public CGRect GetImageBounds(CGContext context)
{
return CTLineGetImageBounds (handle, context.GetHandle ());
}
public void Draw(CGContext context)
{
if (context == null)
throw new ArgumentNullException ("context");
CTLineDraw (handle, context.Handle);
}
