public static ProcessImageResult ProcessImage(Stream imgStream, Stream outStream, ProcessImageSettings settings) { using var ctx = new PipelineContext(settings); ctx.ImageContainer = WicImageContainer.Create(imgStream, ctx.WicContext); return(processImage(ctx, outStream)); }
public static ProcessImageResult ProcessImage(ReadOnlySpan <byte> imgBuffer, Stream outStream, ProcessImageSettings settings) { using var ctx = new PipelineContext(settings); ctx.ImageContainer = WicImageContainer.Create(imgBuffer, ctx.WicContext); return(processImage(ctx, outStream)); }
/// <inheritdoc cref="BuildPipeline(string, ProcessImageSettings)" /> /// <param name="imgStream">A stream containing a supported input image container. The stream must allow Seek and Read.</param> public static ProcessingPipeline BuildPipeline(Stream imgStream, ProcessImageSettings settings) { checkInStream(imgStream); var ctx = new PipelineContext(settings); ctx.ImageContainer = WicImageContainer.Create(imgStream, ctx.WicContext); buildPipeline(ctx, false); return(new ProcessingPipeline(ctx)); }
/// <inheritdoc cref="ProcessImage(string, Stream, ProcessImageSettings)" /> /// <param name="imgStream">A stream containing a supported input image container. The stream must allow Seek and Read.</param> public static ProcessImageResult ProcessImage(Stream imgStream, Stream outStream, ProcessImageSettings settings) { checkInStream(imgStream); checkOutStream(outStream); using var ctx = new PipelineContext(settings); ctx.ImageContainer = WicImageContainer.Create(imgStream, ctx.WicContext); buildPipeline(ctx); return(WriteOutput(ctx, outStream)); }
public static WicImageContainer Load(Stream inStream) { var gch = GCHandle.Alloc(inStream); var sti = new IStreamImpl(gch); using var ccw = new SafeHandleReleaser(new SafeComCallable <IStreamImpl>(sti)); var dec = createDecoder((IStream *)ccw.Handle !.DangerousGetHandle()); return(WicImageContainer.Create(dec, ccw.Detach())); }
public static WicImageContainer Load(string fileName) { using var stm = default(ComPtr <IWICStream>); HRESULT.Check(Wic.Factory->CreateStream(stm.GetAddressOf())); fixed(char *pname = fileName) HRESULT.Check(stm.Get()->InitializeFromFilename((ushort *)pname, GENERIC_READ)); var dec = createDecoder((IStream *)stm.Get()); return(WicImageContainer.Create(dec)); }
/// <summary>Constructs a new <see cref="ImageFileInfo" /> instance by reading the metadata from an image file contained in a <see cref="ReadOnlySpan{T}" />.</summary> /// <param name="imgBuffer">The buffer containing the image data.</param> /// <param name="lastModified">The last modified date of the image container.</param> public static ImageFileInfo Load(ReadOnlySpan <byte> imgBuffer, DateTime lastModified) { if (imgBuffer == default) { throw new ArgumentNullException(nameof(imgBuffer)); } using var ctx = new PipelineContext(new ProcessImageSettings()); ctx.ImageContainer = WicImageContainer.Create(imgBuffer, ctx.WicContext); return(fromWicImage(ctx, imgBuffer.Length, lastModified)); }
/// <inheritdoc cref="BuildPipeline(string, ProcessImageSettings)" /> /// <param name="imgBuffer">A buffer containing a supported input image container.</param> public static ProcessingPipeline BuildPipeline(ReadOnlySpan <byte> imgBuffer, ProcessImageSettings settings) { if (imgBuffer == default) { throw new ArgumentNullException(nameof(imgBuffer)); } var ctx = new PipelineContext(settings); ctx.ImageContainer = WicImageContainer.Create(imgBuffer, ctx.WicContext); buildPipeline(ctx, false); return(new ProcessingPipeline(ctx)); }
/// <summary>Constructs a new processing pipeline from which pixels can be retrieved.</summary> /// <param name="imgPath">The path to a file containing the input image.</param> /// <param name="settings">The settings for this processing operation.</param> /// <returns>A <see cref="ProcessingPipeline" /> containing the <see cref="IPixelSource" />, settings used, and basic instrumentation for the pipeline.</returns> public static ProcessingPipeline BuildPipeline(string imgPath, ProcessImageSettings settings) { if (imgPath is null) { throw new ArgumentNullException(nameof(imgPath)); } var ctx = new PipelineContext(settings); ctx.ImageContainer = WicImageContainer.Create(imgPath, ctx.WicContext); buildPipeline(ctx, false); return(new ProcessingPipeline(ctx)); }
/// <summary>Constructs a new <see cref="ImageFileInfo" /> instance by reading the metadata from an image file header.</summary> /// <param name="imgPath">The path to the image file.</param> public static ImageFileInfo Load(string imgPath) { var fi = new FileInfo(imgPath); if (!fi.Exists) { throw new FileNotFoundException("File not found", imgPath); } using var ctx = new PipelineContext(new ProcessImageSettings()); ctx.ImageContainer = WicImageContainer.Create(imgPath, ctx.WicContext); return(fromWicImage(ctx, fi.Length, fi.LastWriteTimeUtc)); }
#pragma warning disable 1573 // not all params have docs /// <inheritdoc cref="ProcessImage(string, Stream, ProcessImageSettings)" /> /// <param name="imgBuffer">A buffer containing a supported input image container.</param> public static ProcessImageResult ProcessImage(ReadOnlySpan <byte> imgBuffer, Stream outStream, ProcessImageSettings settings) { if (imgBuffer == default) { throw new ArgumentNullException(nameof(imgBuffer)); } checkOutStream(outStream); using var ctx = new PipelineContext(settings); ctx.ImageContainer = WicImageContainer.Create(imgBuffer, ctx.WicContext); buildPipeline(ctx); return(WriteOutput(ctx, outStream)); }
/// <summary>All-in-one processing of an image according to the specified <paramref name="settings" />.</summary> /// <param name="imgPath">The path to a file containing the input image.</param> /// <param name="outStream">The stream to which the output image will be written. The stream must allow Seek and Write.</param> /// <param name="settings">The settings for this processing operation.</param> /// <returns>A <see cref="ProcessImageResult" /> containing the settings used and basic instrumentation for the pipeline.</returns> public static ProcessImageResult ProcessImage(string imgPath, Stream outStream, ProcessImageSettings settings) { if (imgPath is null) { throw new ArgumentNullException(nameof(imgPath)); } checkOutStream(outStream); using var ctx = new PipelineContext(settings); ctx.ImageContainer = WicImageContainer.Create(imgPath, ctx.WicContext); buildPipeline(ctx); return(WriteOutput(ctx, outStream)); }
/// <inheritdoc cref="BuildPipeline(string, ProcessImageSettings)" /> /// <param name="imgStream">A stream containing a supported input image container. The stream must allow Seek and Read.</param> public static ProcessingPipeline BuildPipeline(Stream imgStream, ProcessImageSettings settings) { if (settings is null) { throw new ArgumentNullException(nameof(settings)); } checkInStream(imgStream); var ctx = new PipelineContext(settings); ctx.ImageContainer = WicImageContainer.Create(imgStream, ctx.WicContext); buildPipeline(ctx, false); return(new ProcessingPipeline(ctx)); }
unsafe public static WicImageContainer Load(byte *pbBuffer, int cbBuffer, PipelineContext ctx, bool ownCopy = false) { var istm = ctx.WicContext.AddRef(Wic.Factory.CreateStream()); var ptr = (IntPtr)pbBuffer; if (ownCopy) { ptr = ctx.WicContext.AddUnmanagedMemory(cbBuffer).DangerousGetHandle(); Buffer.MemoryCopy(pbBuffer, ptr.ToPointer(), cbBuffer, cbBuffer); } istm.InitializeFromMemory(ptr, (uint)cbBuffer); var dec = createDecoder(stm => Wic.Factory.CreateDecoderFromStream(stm, null, WICDecodeOptions.WICDecodeMetadataCacheOnDemand), istm); return(WicImageContainer.Create(dec, ctx)); }
public static WicImageContainer Load(byte *pbBuffer, int cbBuffer, bool ownCopy = false) { using var stream = default(ComPtr <IWICStream>); HRESULT.Check(Wic.Factory->CreateStream(stream.GetAddressOf())); var ptr = (IntPtr)pbBuffer; using var mem = default(SafeHandleReleaser); if (ownCopy) { ptr = mem.Attach(new SafeHGlobalHandle(cbBuffer)).DangerousGetHandle(); Buffer.MemoryCopy(pbBuffer, ptr.ToPointer(), cbBuffer, cbBuffer); } HRESULT.Check(stream.Get()->InitializeFromMemory((byte *)ptr, (uint)cbBuffer)); var dec = createDecoder((IStream *)stream.Get()); return(WicImageContainer.Create(dec, mem.Detach())); }
/// <summary>Constructs a new <see cref="ImageFileInfo" /> instance by reading the metadata from an image file exposed by a <see cref="Stream" />.</summary> /// <param name="imgStream">The stream containing the image data.</param> /// <param name="lastModified">The last modified date of the image container.</param> public static ImageFileInfo Load(Stream imgStream, DateTime lastModified) { if (imgStream is null) { throw new ArgumentNullException(nameof(imgStream)); } if (!imgStream.CanSeek || !imgStream.CanRead) { throw new ArgumentException("Input Stream must allow Seek and Read", nameof(imgStream)); } if (imgStream.Length <= 0 || imgStream.Position >= imgStream.Length) { throw new ArgumentException("Input Stream is empty or positioned at its end", nameof(imgStream)); } using var ctx = new PipelineContext(new ProcessImageSettings()); ctx.ImageContainer = WicImageContainer.Create(imgStream, ctx.WicContext); return(fromWicImage(ctx, imgStream.Length, lastModified)); }
public static WicImageContainer Load(Stream inStream, PipelineContext ctx) { var dec = createDecoder(stm => Wic.Factory.CreateDecoderFromStream(stm, null, WICDecodeOptions.WICDecodeMetadataCacheOnDemand), inStream.AsIStream()); return(WicImageContainer.Create(dec, ctx)); }
public static WicImageContainer Load(string fileName, PipelineContext ctx) { var dec = createDecoder(fn => Wic.Factory.CreateDecoderFromFilename(fn, null, GenericAccessRights.GENERIC_READ, WICDecodeOptions.WICDecodeMetadataCacheOnDemand), fileName); return(WicImageContainer.Create(dec, ctx)); }