protected virtual Bitmap OnNonLinearTransfromNeeded() { Bitmap bmp = null; if (ctrlBmp == null) { return(null); } try { bmp = (Bitmap)ctrlBmp.Clone(); const int bytesPerPixel = 4; PixelFormat pxf = PixelFormat.Format32bppArgb; Rectangle rect = new Rectangle(0, 0, bmp.Width, bmp.Height); BitmapData bmpData = bmp.LockBits(rect, ImageLockMode.ReadWrite, pxf); IntPtr ptr = bmpData.Scan0; int numBytes = bmp.Width * bmp.Height * bytesPerPixel; byte[] argbValues = new byte[numBytes]; System.Runtime.InteropServices.Marshal.Copy(ptr, argbValues, 0, numBytes); var e = new NonLinearTransfromNeededEventArg() { CurrentTime = CurrentTime, ClientRectangle = DoubleBitmap.ClientRectangle, Pixels = argbValues, Stride = bmpData.Stride }; if (NonLinearTransfromNeeded != null) { NonLinearTransfromNeeded(this, e); } else { e.UseDefaultTransform = true; } if (e.UseDefaultTransform) { TransfromHelper.DoBlind(e, animation); TransfromHelper.DoMosaic(e, animation, ref buffer, ref pixelsBuffer); TransfromHelper.DoTransparent(e, animation); TransfromHelper.DoLeaf(e, animation); } System.Runtime.InteropServices.Marshal.Copy(argbValues, 0, ptr, numBytes); bmp.UnlockBits(bmpData); } catch { } return(bmp); }
protected virtual Bitmap OnNonLinearTransfromNeeded() { Bitmap bitmap = null; if (this.ctrlBmp == null) { return(null); } try { bitmap = (Bitmap)this.ctrlBmp.Clone(); PixelFormat format = PixelFormat.Format32bppArgb; Rectangle rect = new Rectangle(0, 0, bitmap.Width, bitmap.Height); BitmapData bitmapdata = bitmap.LockBits(rect, ImageLockMode.ReadWrite, format); IntPtr source = bitmapdata.Scan0; int length = (bitmap.Width * bitmap.Height) * 4; byte[] destination = new byte[length]; Marshal.Copy(source, destination, 0, length); NonLinearTransfromNeededEventArg e = new NonLinearTransfromNeededEventArg { CurrentTime = this.CurrentTime, ClientRectangle = this.DoubleBitmap.ClientRectangle, Pixels = destination, Stride = bitmapdata.Stride }; if (this.NonLinearTransfromNeeded != null) { this.NonLinearTransfromNeeded(this, e); } else { e.UseDefaultTransform = true; } if (e.UseDefaultTransform) { TransfromHelper.DoBlind(e, this.animation); TransfromHelper.DoMosaic(e, this.animation, ref this.buffer, ref this.pixelsBuffer); TransfromHelper.DoTransparent(e, this.animation); TransfromHelper.DoLeaf(e, this.animation); } Marshal.Copy(destination, 0, source, length); bitmap.UnlockBits(bitmapdata); } catch { } return(bitmap); }