C# (CSharp) PixelFarm.Drawing.Skia.MySkiaCanvas示例

示例#1

文件： SkiaCanvasViewport.cs 项目： lingliy/HtmlRenderer

 public SkiaCanvasViewport(RootGraphic rootgfx,
                           Size viewportSize, int cachedPageNum)
     : base(rootgfx, viewportSize, cachedPageNum)
 {
     this.CalculateCanvasPages();
     mySkCanvas = new PixelFarm.Drawing.Skia.MySkiaCanvas(0, 0, 0, 0, internalSizeW, internalSizwH);
     memdc      = new Win32.NativeWin32MemoryDc(internalSizeW, internalSizwH);
 }

示例#2

文件： SkiaCanvasViewport.cs 项目： lingliy/HtmlRenderer

        static void UpdateAllArea(PixelFarm.Drawing.Skia.MySkiaCanvas mycanvas, IRenderElement topWindowRenderBox)
        {
            mycanvas.OffsetCanvasOrigin(-mycanvas.Left, -mycanvas.Top);
            Rectangle rect = mycanvas.Rect;

            topWindowRenderBox.DrawToThisCanvas(mycanvas, rect);
#if DEBUG
            topWindowRenderBox.dbugShowRenderPart(mycanvas, rect);
#endif

            mycanvas.IsContentReady = true;
            mycanvas.OffsetCanvasOrigin(mycanvas.Left, mycanvas.Top);
        }

示例#3

文件： 2_SkiaCanvasViewport.cs 项目： prepare/HTML-Renderer

        public SkiaCanvasViewport(RootGraphic rootgfx,
            Size viewportSize, int cachedPageNum)
            : base(rootgfx, viewportSize, cachedPageNum)
        {

            this.CalculateCanvasPages();
            mySkCanvas = new PixelFarm.Drawing.Skia.MySkiaCanvas(0, 0, 0, 0, internalSizeW, internalSizwH);
            //TODO: review performance here
            //review how to move data from unmanged(skia) to unmanaged(hdc's bitmap)
            tmpBmp = new System.Drawing.Bitmap(internalSizeW, internalSizwH);
            var bmpdata = tmpBmp.LockBits(
                new System.Drawing.Rectangle(0, 0, internalSizeW, internalSizwH),
                 System.Drawing.Imaging.ImageLockMode.ReadOnly, tmpBmp.PixelFormat);
            tmpBuffer = new byte[bmpdata.Stride * bmpdata.Height];
            tmpBmp.UnlockBits(bmpdata);
        }