private unsafe short WriteBasePixels(IntPtr port, VRect *writeRect, PixelMemoryDesc srcDesc) { #if DEBUG DebugUtils.Ping(DebugFlags.ChannelPorts, string.Format("port: {0}, rect: {1}", port.ToString(), DebugUtils.PointerToString(writeRect))); #endif return(PSError.memFullErr); }
private unsafe short ReadPortForWritePort(IntPtr *readPort, IntPtr writePort) { #if DEBUG DebugUtils.Ping(DebugFlags.ChannelPorts, string.Format("readPort: {0}, writePort: {1}", DebugUtils.PointerToString(readPort), writePort.ToString())); #endif return(PSError.memFullErr); }
private unsafe short ReadPixelsProc(IntPtr port, PSScaling *scaling, VRect *writeRect, PixelMemoryDesc *destination, VRect *wroteRect) { #if DEBUG DebugUtils.Ping(DebugFlags.ChannelPorts, string.Format("port: {0}, rect: {1}", port.ToString(), DebugUtils.PointerToString(writeRect))); #endif if (scaling == null || writeRect == null || destination == null) { return(PSError.paramErr); } if (destination->depth != 8) { return(PSError.errUnsupportedDepth); } if ((destination->bitOffset % 8) != 0) { return(PSError.errUnsupportedBitOffset); } if ((destination->colBits % 8) != 0) { return(PSError.errUnsupportedColBits); } if ((destination->rowBits % 8) != 0) { return(PSError.errUnsupportedRowBits); } int channel = port.ToInt32(); if (channel < PSConstants.ChannelPorts.Red || channel > PSConstants.ChannelPorts.SelectionMask) { return(PSError.errUnknownPort); } VRect srcRect = scaling->sourceRect; VRect dstRect = scaling->destinationRect; int srcWidth = srcRect.right - srcRect.left; int srcHeight = srcRect.bottom - srcRect.top; int dstWidth = dstRect.right - dstRect.left; int dstHeight = dstRect.bottom - dstRect.top; if (channel == PSConstants.ChannelPorts.SelectionMask) { if (srcWidth == dstWidth && srcHeight == dstHeight) { FillSelectionMask(destination, filterImageProvider.Mask, srcRect); } else if (dstWidth < srcWidth || dstHeight < srcHeight) // scale down { if ((scaledSelectionMask == null) || scaledSelectionMask.Width != dstWidth || scaledSelectionMask.Height != dstHeight) { if (scaledSelectionMask != null) { scaledSelectionMask.Dispose(); scaledSelectionMask = null; } scaledSelectionMask = new MaskSurface(dstWidth, dstHeight); scaledSelectionMask.SuperSampleFitSurface(filterImageProvider.Mask); } FillSelectionMask(destination, scaledSelectionMask, dstRect); } else if (dstWidth > srcWidth || dstHeight > srcHeight) // scale up { if ((scaledSelectionMask == null) || scaledSelectionMask.Width != dstWidth || scaledSelectionMask.Height != dstHeight) { if (scaledSelectionMask != null) { scaledSelectionMask.Dispose(); scaledSelectionMask = null; } scaledSelectionMask = new MaskSurface(dstWidth, dstHeight); scaledSelectionMask.BicubicFitSurface(filterImageProvider.Mask); } FillSelectionMask(destination, scaledSelectionMask, dstRect); } } else { if (srcWidth == dstWidth && srcHeight == dstHeight) { FillChannelData(channel, destination, filterImageProvider.Source, srcRect); } else if (dstWidth < srcWidth || dstHeight < srcHeight) // scale down { if ((scaledChannelSurface == null) || scaledChannelSurface.Width != dstWidth || scaledChannelSurface.Height != dstHeight) { if (scaledChannelSurface != null) { scaledChannelSurface.Dispose(); scaledChannelSurface = null; } scaledChannelSurface = new Surface(dstWidth, dstHeight); scaledChannelSurface.SuperSampleFitSurface(filterImageProvider.Source); } FillChannelData(channel, destination, scaledChannelSurface, dstRect); } else if (dstWidth > srcWidth || dstHeight > srcHeight) // scale up { if ((scaledChannelSurface == null) || scaledChannelSurface.Width != dstWidth || scaledChannelSurface.Height != dstHeight) { if (scaledChannelSurface != null) { scaledChannelSurface.Dispose(); scaledChannelSurface = null; } scaledChannelSurface = new Surface(dstWidth, dstHeight); scaledChannelSurface.BicubicFitSurface(filterImageProvider.Source); } FillChannelData(channel, destination, scaledChannelSurface, dstRect); } } if (wroteRect != null) { *wroteRect = dstRect; } return(PSError.noErr); }