/// <summary> /// Affine transform of an image. <para/>This /// function performs affine warping of a the specified quadrangle in the /// source image to the specified quadrangle in the destination image. The /// function nppiWarpAffineQuad uses the same formulas for pixel mapping as in /// nppiWarpAffine function. The transform coefficients are computed internally. /// The transformed part of the source image is resampled using the specified /// eInterpolation method and written to the destination ROI.<para/> /// NPPI specific recommendation: <para/> /// The function operates using 2 types of kernels: fast and accurate. The fast /// method is about 4 times faster than its accurate variant, /// but doesn't perform memory access checks and requires the destination ROI /// to be 64 bytes aligned. Hence any destination ROI is /// chunked into 3 vertical stripes: the first and the third are processed by /// accurate kernels and the central one is processed by the fast one. /// In order to get the maximum available speed of execution, the projection of /// destination ROI onto image addresses must be 64 bytes aligned. This is /// always true if the values <para/> /// <code>(int)((void *)(pDst + dstRoi.x))</code> and <para/> /// <code>(int)((void *)(pDst + dstRoi.x + dstRoi.width))</code> <para/> /// are multiples of 64. Another rule of thumb is to specify destination ROI in /// such way that left and right sides of the projected image are separated from /// the ROI by at least 63 bytes from each side. However, this requires the /// whole ROI to be part of allocated memory. In case when the conditions above /// are not satisfied, the function may decrease in speed slightly and will /// return NPP_MISALIGNED_DST_ROI_WARNING warning. /// </summary> /// <param name="srcQuad">Source quadrangle [4,2]</param> /// <param name="dest">Destination image</param> /// <param name="dstQuad">Destination quadrangle [4,2]</param> /// <param name="eInterpolation">Interpolation mode: can be <see cref="InterpolationMode.NearestNeighbor"/>, <see cref="InterpolationMode.Linear"/> or <see cref="InterpolationMode.Cubic"/></param> public void WarpAffineQuad(double[,] srcQuad, NPPImage_32sC3 dest, double[,] dstQuad, InterpolationMode eInterpolation) { NppiRect rectIn = new NppiRect(_pointRoi, _sizeRoi); NppiRect rectOut = new NppiRect(dest.PointRoi, dest.SizeRoi); status = NPPNativeMethods.NPPi.AffinTransforms.nppiWarpAffineQuad_32s_C3R(_devPtr, _sizeOriginal, _pitch, rectIn, srcQuad, dest.DevicePointer, dest.Pitch, rectOut, dstQuad, eInterpolation); Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "nppiWarpAffineQuad_32s_C3R", status)); NPPException.CheckNppStatus(status, this); }
/// <summary> /// Divide constant to image, scale by 2^(-nScaleFactor), then clamp to saturated value. /// </summary> /// <param name="nConstant">Value</param> /// <param name="dest">Destination image</param> /// <param name="nScaleFactor">scaling factor</param> public void Div(int[] nConstant, NPPImage_32sC3 dest, int nScaleFactor) { status = NPPNativeMethods.NPPi.DivConst.nppiDivC_32s_C3RSfs(_devPtrRoi, _pitch, nConstant, dest.DevicePointerRoi, dest.Pitch, _sizeRoi, nScaleFactor); Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "nppiDivC_32s_C3RSfs", status)); NPPException.CheckNppStatus(status, this); }
/// <summary> /// Mirror image. /// </summary> /// <param name="dest">Destination image</param> /// <param name="flip">Specifies the axis about which the image is to be mirrored.</param> public void Mirror(NPPImage_32sC3 dest, NppiAxis flip) { status = NPPNativeMethods.NPPi.GeometricTransforms.nppiMirror_32s_C3R(_devPtrRoi, _pitch, dest.DevicePointerRoi, dest.Pitch, dest.SizeRoi, flip); Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "nppiMirror_32s_C3R", status)); NPPException.CheckNppStatus(status, this); }
/// <summary> /// Image logical Xor with constant. /// </summary> /// <param name="nConstant">Value (Array length = 3)</param> /// <param name="dest">Destination image</param> public void Xor(int[] nConstant, NPPImage_32sC3 dest) { status = NPPNativeMethods.NPPi.XorConst.nppiXorC_32s_C3R(_devPtrRoi, _pitch, nConstant, dest.DevicePointerRoi, dest.Pitch, _sizeRoi); Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "nppiAdd_32s_C3RSfs", status)); NPPException.CheckNppStatus(status, this); }
/// <summary> /// In place image division, scale by 2^(-nScaleFactor), then clamp to saturated value. /// </summary> /// <param name="src2">2nd source image</param> /// <param name="nScaleFactor">scaling factor</param> public void Div(NPPImage_32sC3 src2, int nScaleFactor) { status = NPPNativeMethods.NPPi.Div.nppiDiv_32s_C3IRSfs(src2.DevicePointerRoi, src2.Pitch, _devPtrRoi, _pitch, _sizeRoi, nScaleFactor); Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "nppiDiv_32s_C3IRSfs", status)); NPPException.CheckNppStatus(status, this); }
/// <summary> /// Three-channel 32-bit signed image DotProd. Buffer is internally allocated and freed. /// </summary> /// <param name="src2">2nd source image</param> /// <param name="pDp">Pointer to the computed dot product of the two images. (3 * sizeof(double))</param> public void DotProduct(NPPImage_32sC3 src2, CudaDeviceVariable<double> pDp) { int bufferSize = DotProdGetBufferHostSize(); CudaDeviceVariable<byte> buffer = new CudaDeviceVariable<byte>(bufferSize); status = NPPNativeMethods.NPPi.DotProd.nppiDotProd_32s64f_C3R(_devPtrRoi, _pitch, src2.DevicePointerRoi, src2.Pitch, _sizeRoi, pDp.DevicePointer, buffer.DevicePointer); Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "nppiDotProd_32s64f_C3R", status)); buffer.Dispose(); NPPException.CheckNppStatus(status, this); }
/// <summary> /// In place image logical Xor. /// </summary> /// <param name="src2">2nd source image</param> public void Xor(NPPImage_32sC3 src2) { status = NPPNativeMethods.NPPi.Xor.nppiXor_32s_C3IR(src2.DevicePointerRoi, src2.Pitch, _devPtrRoi, _pitch, _sizeRoi); Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "nppiXor_32s_C3IR", status)); NPPException.CheckNppStatus(status, this); }
/// <summary> /// Image copy. /// </summary> /// <param name="dst">Destination image</param> /// <param name="channelSrc">Channel number. This number is added to the src pointer</param> /// <param name="channelDst">Channel number. This number is added to the dst pointer</param> public void Copy(NPPImage_32sC3 dst, int channelSrc, int channelDst) { if (channelSrc < 0 | channelSrc >= _channels) throw new ArgumentOutOfRangeException("channelSrc", "channelSrc must be in range [0..2]."); if (channelDst < 0 | channelDst >= dst.Channels) throw new ArgumentOutOfRangeException("channelDst", "channelDst must be in range [0..2]."); status = NPPNativeMethods.NPPi.MemCopy.nppiCopy_32s_C3CR(_devPtrRoi + channelSrc * _typeSize, _pitch, dst.DevicePointerRoi + channelDst * _typeSize, dst.Pitch, _sizeRoi); Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "nppiCopy_32s_C3CR", status)); NPPException.CheckNppStatus(status, this); }
/// <summary> /// Masked Operation 8-bit unsigned image copy. /// </summary> /// <param name="dst">Destination image</param> /// <param name="mask">Mask image</param> public void Copy(NPPImage_32sC3 dst, NPPImage_8uC1 mask) { status = NPPNativeMethods.NPPi.MemCopy.nppiCopy_32s_C3MR(_devPtrRoi, _pitch, dst.DevicePointerRoi, dst.Pitch, _sizeRoi, mask.DevicePointerRoi, mask.Pitch); Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "nppiCopy_32s_C3MR", status)); NPPException.CheckNppStatus(status, this); }
/// <summary> /// Three channel 32-bit signed convolution filter with border control.<para/> /// General purpose 2D convolution filter using floating-point weights with border control.<para/> /// Pixels under the mask are multiplied by the respective weights in the mask /// and the results are summed. Before writing the result pixel the sum is scaled /// back via division by nDivisor. If any portion of the mask overlaps the source /// image boundary the requested border type operation is applied to all mask pixels /// which fall outside of the source image. <para/> /// </summary> /// <param name="dest">Destination image</param> /// <param name="pKernel">Pointer to the start address of the kernel coefficient array. Coeffcients are expected to be stored in reverse order</param> /// <param name="nKernelSize">Width and Height of the rectangular kernel.</param> /// <param name="oAnchor">X and Y offsets of the kernel origin frame of reference relative to the source pixel.</param> /// <param name="eBorderType">The border type operation to be applied at source image border boundaries.</param> public void FilterBorder(NPPImage_32sC3 dest, CudaDeviceVariable<float> pKernel, NppiSize nKernelSize, NppiPoint oAnchor, NppiBorderType eBorderType) { status = NPPNativeMethods.NPPi.FilterBorder32f.nppiFilterBorder32f_32s_C3R(_devPtr, _pitch, _sizeOriginal, _pointRoi, dest.DevicePointerRoi, dest.Pitch, dest.SizeRoi, pKernel.DevicePointer, nKernelSize, oAnchor, eBorderType); Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "nppiFilterBorder32f_32s_C3R", status)); NPPException.CheckNppStatus(status, this); }
/// <summary> /// Three-channel 8-bit unsigned planar to packed image copy. /// </summary> /// <param name="src0">Source image channel 0</param> /// <param name="src1">Source image channel 1</param> /// <param name="src2">Source image channel 2</param> /// <param name="dest">Destination image</param> public static void Copy(NPPImage_32sC1 src0, NPPImage_32sC1 src1, NPPImage_32sC1 src2, NPPImage_32sC3 dest) { CUdeviceptr[] array = new CUdeviceptr[] { src0.DevicePointerRoi, src1.DevicePointerRoi, src2.DevicePointerRoi }; NppStatus status = NPPNativeMethods.NPPi.MemCopy.nppiCopy_32s_P3C3R(array, src0.Pitch, dest.DevicePointerRoi, dest.Pitch, dest.SizeRoi); Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "nppiCopy_32s_P3C3R", status)); NPPException.CheckNppStatus(status, null); }
/// <summary> /// convolution filter. /// </summary> /// <param name="dst">Destination-Image</param> /// <param name="pKernel">Pointer to the start address of the kernel coefficient array.<para/> /// Coefficients are expected to be stored in reverse order.</param> /// <param name="oKernelSize">Width and Height of the rectangular kernel.</param> /// <param name="oAnchor">X and Y offsets of the kernel origin frame of reference</param> public void Filter(NPPImage_32sC3 dst, CudaDeviceVariable<float> pKernel, NppiSize oKernelSize, NppiPoint oAnchor) { status = NPPNativeMethods.NPPi.Convolution.nppiFilter32f_32s_C3R(_devPtrRoi, _pitch, dst.DevicePointerRoi, dst.Pitch, _sizeRoi, pKernel.DevicePointer, oKernelSize, oAnchor); Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "nppiFilter32f_32s_C3R", status)); NPPException.CheckNppStatus(status, this); }
/// <summary> /// linearly interpolated source image subpixel coordinate color copy. /// </summary> /// <param name="dst">Destination-Image</param> /// <param name="nDx">Fractional part of source image X coordinate.</param> /// <param name="nDy">Fractional part of source image Y coordinate.</param> public void CopySubpix(NPPImage_32sC3 dst, float nDx, float nDy) { status = NPPNativeMethods.NPPi.CopySubpix.nppiCopySubpix_32s_C3R(_devPtrRoi, _pitch, dst.DevicePointerRoi, dst.Pitch, _sizeRoi, nDx, nDy); Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "nppiCopySubpix_32s_C3R", status)); NPPException.CheckNppStatus(status, this); }
/// <summary> /// image copy with the borders wrapped by replication of source image pixel colors. /// </summary> /// <param name="dst">Destination-Image</param> /// <param name="nTopBorderHeight">Height (in pixels) of the top border. The height of the border at the bottom of /// the destination ROI is implicitly defined by the size of the source ROI: nBottomBorderHeight = /// oDstSizeROI.height - nTopBorderHeight - oSrcSizeROI.height.</param> /// <param name="nLeftBorderWidth">Width (in pixels) of the left border. The width of the border at the right side of /// the destination ROI is implicitly defined by the size of the source ROI: nRightBorderWidth = /// oDstSizeROI.width - nLeftBorderWidth - oSrcSizeROI.width.</param> public void CopyWrapBorder(NPPImage_32sC3 dst, int nTopBorderHeight, int nLeftBorderWidth) { status = NPPNativeMethods.NPPi.CopyWrapBorder.nppiCopyWrapBorder_32s_C3R(_devPtrRoi, _pitch, _sizeRoi, dst.DevicePointerRoi, dst.Pitch, dst.SizeRoi, nTopBorderHeight, nLeftBorderWidth); Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "nppiCopyWrapBorder_32s_C3R", status)); NPPException.CheckNppStatus(status, this); }
/// <summary> /// 16-bit unsigned to 32-bit signed conversion. /// </summary> /// <param name="dst">Destination image</param> public void Convert(NPPImage_32sC3 dst) { status = NPPNativeMethods.NPPi.BitDepthConversion.nppiConvert_16u32s_C3R(_devPtrRoi, _pitch, dst.DevicePointerRoi, dst.Pitch, _sizeRoi); Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "nppiConvert_16u32s_C3R", status)); NPPException.CheckNppStatus(status, this); }
/// <summary> /// Image logical and. /// </summary> /// <param name="src2">2nd source image</param> /// <param name="dest">Destination image</param> public void And(NPPImage_32sC3 src2, NPPImage_32sC3 dest) { status = NPPNativeMethods.NPPi.And.nppiAnd_32s_C3R(_devPtrRoi, _pitch, src2.DevicePointerRoi, src2.Pitch, dest.DevicePointerRoi, dest.Pitch, _sizeRoi); Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "nppiAnd_32s_C3R", status)); NPPException.CheckNppStatus(status, this); }
/// <summary> /// Swap channels. /// </summary> /// <param name="dest">Destination image</param> /// <param name="aDstOrder">Host memory integer array describing how channel values are permutated. The n-th entry /// of the array contains the number of the channel that is stored in the n-th channel of /// the output image. <para/>E.g. Given an RGBA image, aDstOrder = [2,1,0] converts this to a 3 channel BGR /// channel order.</param> public void SwapChannels(NPPImage_32sC3 dest, int[] aDstOrder) { status = NPPNativeMethods.NPPi.SwapChannel.nppiSwapChannels_32s_C4C3R(_devPtrRoi, _pitch, dest.DevicePointerRoi, dest.Pitch, _sizeRoi, aDstOrder); Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "nppiSwapChannels_32s_C4C3R", status)); NPPException.CheckNppStatus(status, this); }
/// <summary> /// image conversion. /// </summary> /// <param name="dst">Destination-Image</param> public void Scale(NPPImage_32sC3 dst) { NppiRect srcRect = new NppiRect(_pointRoi, _sizeRoi); status = NPPNativeMethods.NPPi.Scale.nppiScale_8u32s_C3R(_devPtrRoi, _pitch, dst.DevicePointerRoi, dst.Pitch, _sizeRoi); Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "nppiScale_8u32s_C3R", status)); NPPException.CheckNppStatus(status, this); }