public bool is_valid => image_ != null; //?? I'm not sure if this is right
//C++ TO C# CONVERTER WARNING: 'const' methods are not available in C#:
//ORIGINAL LINE: void draw(SKCanvas& canvas, const SKPaint* paint = null) const
public void draw(SKCanvas canvas, SKPaint paint = null)
{
var bounds = RasterCache.GetDeviceBounds(logical_rect_, canvas.TotalMatrix);
canvas.ResetMatrix();
canvas.DrawImage(image_, bounds.Left, bounds.Top, paint);
}
public bool is_valid => image_ != null; //?? I'm not sure if this is right
//{
// return (bool)image_;
//}
//C++ TO C# CONVERTER WARNING: 'const' methods are not available in C#:
//ORIGINAL LINE: void draw(SKCanvas& canvas, const SKPaint* paint = null) const
public void draw(SKCanvas canvas, SKPaint paint = null)
{
//C++ TO C# CONVERTER TODO TASK: There is no equivalent in C# to 'static_assert':
// (...) static_assert(false, "missing name for " "SkAutoCanvasRestore") auto_restore(&canvas, true);
var bounds = RasterCache.GetDeviceBounds(logical_rect_, canvas.TotalMatrix);
//FML_DCHECK(bounds.Size == image_..dimensions());
canvas.ResetMatrix();
canvas.DrawImage(image_, bounds.Left, bounds.Top, paint);
}
internal static RasterCacheResult Rasterize(GRContext context, SKMatrix ctm, SKColorSpace dst_color_space, bool checkerboard, SKRect logical_rect, Action <SKCanvas> draw_function)
{
SKRectI cache_rect = RasterCache.GetDeviceBounds(logical_rect, ctm);
SKImageInfo image_info = new SKImageInfo(cache_rect.Width, cache_rect.Height);
SKSurface surface = context != null?SKSurface.CreateAsRenderTarget(context, new GRGlBackendTextureDesc()
{
Width = cache_rect.Width, Height = cache_rect.Height
}) : SKSurface.Create(image_info); //{ image_info.
if (surface == null)
{
return(new RasterCacheResult());
}
SKCanvas canvas = surface.Canvas;
SKCanvas xformCanvas = canvas;
//if (dst_color_space != null)
//{
// xformCanvas = SkCreateColorSpaceXformCanvas(canvas, GlobalMembers.sk_ref_sp(dst_color_space));
// if (xformCanvas != null)
// {
// canvas = xformCanvas;
// }
//}
canvas.Clear(GlobalMembers.SK_ColorTRANSPARENT);
canvas.Translate(-cache_rect.Left, -cache_rect.Top);
canvas.Concat(ref ctm);
draw_function(canvas);
//if (checkerboard)
//{
// DrawCheckerboard(canvas, logical_rect);
//}
return(new RasterCacheResult(surface.Snapshot(), logical_rect));
}