public List<MetaSimple> fiGetMetaData(FIBITMAP bm)
{
List<MetaSimple> results = new List<MetaSimple>();
// Create a wrapper for all metadata the image contains
ImageMetadata iMetadata = new ImageMetadata(bm);
// Get each metadata model
foreach (MetadataModel metadataModel in iMetadata)
{
// Get each metadata tag and create a subnode for it
foreach (MetadataTag metadataTag in metadataModel)
{
MetaSimple tagValue = new MetaSimple();
tagValue.ModelName = metadataModel.ToString();
tagValue.ModelTag = metadataTag.Key;
tagValue.TagValue = metadataTag;
results.Add(tagValue);
}
}
return results;
}
public virtual void Add(BackgroundImageClass image)
{
var imageKey = new ImageMetadata(image);
if (RRContainer.Current.GetAllInstances<IFilter>().Where(x => x is SpriteFilter).FirstOrDefault(y => y.IgnoreTarget(new SpriteFilterContext(image))) != null || spriteList.ContainsKey(imageKey))
return;
SpritedImage spritedImage;
try
{
spritedImage = SpriteContainer.AddImage(image);
}
catch (InvalidOperationException ex)
{
var message = string.Format("There were errors reducing {0}", image.ImageUrl);
var wrappedException =
new ApplicationException(message, ex);
RRTracer.Trace(message);
RRTracer.Trace(ex.ToString());
if (Registry.CaptureErrorAction != null)
Registry.CaptureErrorAction(wrappedException);
return;
}
spriteList.Add(imageKey, spritedImage);
if (SpriteContainer.Size >= config.SpriteSizeLimit || (SpriteContainer.Colors >= config.SpriteColorLimit && !config.ImageQuantizationDisabled && !config.ImageOptimizationDisabled))
Flush();
}
public virtual void Add(BackgroundImageClass image)
{
var imageKey = new ImageMetadata(image);
if (spriteList.ContainsKey(imageKey))
return;
SpritedImage spritedImage = null;
try
{
spritedImage = SpriteContainer.AddImage(image);
}
catch (InvalidOperationException ex)
{
var message = string.Format("There were errors reducing {0}", image.ImageUrl);
var wrappedException =
new ApplicationException(message, ex);
RRTracer.Trace(message);
RRTracer.Trace(ex.ToString());
if (RequestReduceModule.CaptureErrorAction != null)
RequestReduceModule.CaptureErrorAction(wrappedException);
return;
}
spriteList.Add(imageKey, spritedImage);
if (SpriteContainer.Size >= config.SpriteSizeLimit || (SpriteContainer.Colors >= config.SpriteColorLimit && !config.ImageQuantizationDisabled && !config.ImageOptimizationDisabled))
Flush();
}
public virtual Sprite this[BackgroundImageClass image]
{
get
{
var imageKey = new ImageMetadata(image);
return spriteList.ContainsKey(imageKey) ? spriteList[imageKey] : null;
}
}
public void SaveImageMetadata()
{
IImageMetadata metadata = new ImageMetadata();
metadata.Clear();
metadata.Id = "33";
metadata.Filename = "testImage.jpg";
using (XmlWriter writer = Helpers.CreateXmlWriter(@"testImageMetadata.cxml"))
metadata.Save(writer);
}
private void bLoad_Click(object sender, EventArgs e)
{
// Create variables
OpenFileDialog ofd = new OpenFileDialog();
FIBITMAP dib = new FIBITMAP();
try
{
// Apply settings
ofd.CheckFileExists = true;
ofd.CheckPathExists = true;
ofd.FileName = "";
ofd.Filter = "All files (*.*)|*.*";
ofd.Multiselect = false;
ofd.RestoreDirectory = true;
// Get image filename
if (ofd.ShowDialog() == DialogResult.OK)
{
// Load the image
dib = FreeImage.LoadEx(ofd.FileName);
// Check if image was loaded successfully
if (dib.IsNull) throw new Exception("Failed to load image.");
// Clear the treeview
tvMetadata.Nodes.Clear();
// Create a wrapper for all metadata the image contains
ImageMetadata iMetadata = new ImageMetadata(dib);
// Get each metadata model
foreach (MetadataModel metadataModel in iMetadata)
{
// Create a new node for each model
TreeNode modelNode = tvMetadata.Nodes.Add(metadataModel.ToString());
// Get each metadata tag and create a subnode for it
foreach (MetadataTag metadataTag in metadataModel)
{
modelNode.Nodes.Add(metadataTag.Key + ": " + metadataTag.ToString());
}
}
}
else
{
MessageBox.Show("Operation aborted.", "Aborted");
}
}
// Display error message
catch (Exception ex)
{
while (ex.InnerException != null)
ex = ex.InnerException;
MessageBox.Show(ex.ToString(), "Exception caught");
}
// Clean up
finally
{
ofd.Dispose();
FreeImage.UnloadEx(ref dib);
}
}
public virtual Sprite Add(BackgroundImageClass image)
{
var imageKey = new ImageMetadata(image);
if (spriteList.ContainsKey(imageKey))
return spriteList[imageKey];
var currentPositionToReturn = SpriteContainer.Width;
SpriteContainer.AddImage(image);
var sprite = new Sprite(currentPositionToReturn, spriteIndex);
if (SpriteContainer.Size >= config.SpriteSizeLimit)
Flush();
spriteList.Add(imageKey, sprite);
return sprite;
}
public virtual void Add(BackgroundImageClass image)
{
var imageKey = new ImageMetadata(image);
if (RRContainer.Current.GetAllInstances<IFilter>().Where(x => x is SpriteFilter).FirstOrDefault(y => y.IgnoreTarget(new SpriteFilterContext(image))) != null)
return;
if (SpriteList.Any(x => x.Key.Equals(imageKey)))
{
var originalImage = SpriteList.First(x => x.Key.Equals(imageKey)).Value;
var clonedImage = new SpritedImage(originalImage.AverageColor, image, originalImage.Image) { Position = originalImage.Position, Url = originalImage.Url, Metadata = imageKey };
//SpriteContainer.AddImage(clonedImage);
SpriteList.Add(new KeyValuePair<ImageMetadata, SpritedImage>(imageKey, clonedImage));
return;
}
SpritedImage spritedImage;
var sprite = SpriteList.FirstOrDefault(x => x.Value.CssClass.ImageUrl == image.ImageUrl);
if(sprite.Value != null)
{
image.IsSprite = true;
sprite.Value.CssClass.IsSprite = true;
}
try
{
spritedImage = SpriteContainer.AddImage(image);
spritedImage.Metadata = imageKey;
}
catch (Exception ex)
{
var message = string.Format("There were errors reducing {0}", image.ImageUrl);
var wrappedException =
new ApplicationException(message, ex);
RRTracer.Trace(message);
RRTracer.Trace(ex.ToString());
if (Registry.CaptureErrorAction != null)
Registry.CaptureErrorAction(wrappedException);
return;
}
SpriteList.Add(new KeyValuePair<ImageMetadata, SpritedImage>(imageKey, spritedImage));
if (SpriteContainer.Size >= config.SpriteSizeLimit || (SpriteContainer.Colors >= config.SpriteColorLimit && !config.ImageQuantizationDisabled && !config.ImageOptimizationDisabled))
Flush();
}
public virtual void Add(BackgroundImageClass image)
{
if (ImageExclusionFilter != null && ImageExclusionFilter(image)) return;
var imageKey = new ImageMetadata(image);
if (spriteList.Any(x => x.Key.Equals(imageKey)))
{
var originalImage = spriteList.First(x => x.Key.Equals(imageKey)).Value;
var clonedImage = new SpritedImage(originalImage.AverageColor, image, originalImage.Image) { Position = originalImage.Position, Url = originalImage.Url, Metadata = imageKey };
spriteList.Add(new KeyValuePair<ImageMetadata, SpritedImage>(imageKey, clonedImage));
return;
}
SpritedImage spritedImage;
var sprite = spriteList.FirstOrDefault(x => x.Value.CssClass.ImageUrl == image.ImageUrl);
if(sprite.Value != null)
{
image.IsSprite = true;
sprite.Value.CssClass.IsSprite = true;
}
try
{
spritedImage = SpriteContainer.AddImage(image);
spritedImage.Metadata = imageKey;
}
catch (Exception ex)
{
var message = string.Format("There were errors reducing {0}", image.ImageUrl);
Tracer.Trace(message);
Tracer.Trace(ex.ToString());
var wrappedException = new SpriteException(image.OriginalClassString, message, ex);
Errors.Add(wrappedException);
return;
}
spriteList.Add(new KeyValuePair<ImageMetadata, SpritedImage>(imageKey, spritedImage));
if (SpriteContainer.Size >= config.SpriteSizeLimit || (SpriteContainer.Colors >= config.SpriteColorLimit && !config.ImageQuantizationDisabled && !config.ImageOptimizationDisabled))
Flush();
}
public static bool GetRotInfo(FileInfo fi, out ushort rotateme)
{
bool gotRotInfo = false;
rotateme = 1;
FIBITMAP? dibNull = GetJPGImageHandle(fi);
if (dibNull != null) {
FIBITMAP dib = (FIBITMAP)dibNull;
var iMetadata = new ImageMetadata(dib);
MetadataModel exifMain = iMetadata[FREE_IMAGE_MDMODEL.FIMD_EXIF_MAIN];
if (exifMain != null) {
MetadataTag orientationTag = exifMain.GetTag("Orientation");
if (orientationTag != null) {
var rotInfo = (ushort[])orientationTag.Value;
rotateme = rotInfo[0];
gotRotInfo = true;
}
}
CleanUpResources(dib);
}
return gotRotInfo;
}
private bool checkFilterAndSearch(string filePath, string search, int rateFilter)
{
bool viewSearch = false;
bool viewRate = false;
search = search.ToLower();
if (search.Trim() != "" || rateFilter > 0)
{
ImageMetadata imageMetadata = new ImageMetadata(filePath);
string comment = imageMetadata.getComment();
string fileName = imageMetadata.getFileName();
string tags = imageMetadata.convertArrToString(imageMetadata.getTags(), ' ');
string authors = imageMetadata.convertArrToString(imageMetadata.getAuthors(), ' ');
int rate = imageMetadata.getRate();
if (search.Trim() != "")
{
if (search.Trim() != "")
{
if (comment != null)
{
if (comment.Trim() != "")
{
if (comment.ToLower().Contains(search))
{
viewSearch = true;
}
}
}
if (fileName != null)
{
if (fileName.Trim() != "")
{
if (fileName.ToLower().Contains(search))
{
viewSearch = true;
}
}
}
if (tags != null)
{
if (tags.Trim() != "")
{
if (tags.ToLower().Contains(search))
{
viewSearch = true;
}
}
}
if (authors != null)
{
if (authors.Trim() != "")
{
if (authors.ToLower().Contains(search))
{
viewSearch = true;
}
}
}
}
}
else
{
viewSearch = true;
}
if (rateFilter > 0)
{
if (rate == wg_rateFilter)
{
viewRate = true;
}
}
else
{
viewRate = true;
}
imageMetadata = null;
}
else
{
viewSearch = true;
viewRate = true;
}
if (viewSearch && viewRate)
{
return(true);
}
else
{
return(false);
}
}
private void FillProperties(FIBITMAP dib)
{
// Create a wrapper for all metadata the image contains
ImageMetadata iMetadata = new ImageMetadata(dib);
var main = ((MDM_EXIF_MAIN) iMetadata[FREE_IMAGE_MDMODEL.FIMD_EXIF_MAIN]);
var exif = ((MDM_EXIF_EXIF) iMetadata[FREE_IMAGE_MDMODEL.FIMD_EXIF_EXIF]);
_equipMake = SafeTrim(main.Make);
_equipModel = SafeTrim(main.EquipmentModel);
_imageDescription = SafeTrim(main.ImageDescription);
_copyright = SafeJoin(main.Copyright);
_dtOrig = exif.DateTimeOriginal;
_dtDigitized = exif.DateTimeDigitized;
_focalLength = exif.FocalLength;
_fNumber = exif.FNumber;
if (exif.ExposureTime.HasValue)
_exposureTime = string.Format("{0}/{1}", exif.ExposureTime.Value.Numerator, exif.ExposureTime.Value.Denominator);
_exposureBias = exif.ExposureBiasValue;
_isoSpeed = exif.ISOSpeedRatings != null ? exif.ISOSpeedRatings[0].ToString() : null;
_orientation = main.Orientation;
_pixXDim = exif.PixelXDimension;
_pixYDim = exif.PixelYDimension;
_flashFired = exif.Flash.HasValue && (exif.Flash.Value & 1) == 1;
if (exif.Flash.HasValue)
FillFlashModeResult(exif.Flash.Value);
_meteringMode = (MeteringMode) (exif.MeteringMode.HasValue ? exif.MeteringMode.Value : 0);
TryParseGPS(iMetadata, out _latitude, out _longitude);
}
public void ProcessFrameInfo(ImageFrame frame, ImageMetadata imageMetadata) => new FrameInfoProcessor(this).Process(frame, imageMetadata);
/// <inheritdoc />
public override void Save(Stream stream, Image image, ImageMetadata metadata)
{
if (image.Width > BitmapEncoder.MaxAllowedWidth)
{
throw new InvalidOperationException("Cannot save the image. The image width is too large.");
}
if (image.Height > BitmapEncoder.MaxAllowedHeight)
{
throw new InvalidOperationException("Cannot save the image. The image height is too large.");
}
if ((long)image.Width * image.Height > BitmapEncoder.MaxAllowedPixels)
{
throw new InvalidOperationException("Cannot save the image. The number of pixels in the image is too large.");
}
int stride32 = ((image.Width * image.BitsPerPixel) + 31) / 32;
int stride8 = stride32 * 4;
int imagesize = stride8 * image.Height;
int ncolors = image.BitsPerPixel <= 8 ? 1 << image.BitsPerPixel : 0;
int offbytes = 14 /* file header */ + 40 /* bmp header */ + (ncolors * 4) /* colors */;
int fsize = offbytes + imagesize;
using (BinaryWriter writer = new BinaryWriter(stream, Encoding.UTF8, true))
{
// write file header
writer.Write(BitmapEncoder.Signature);
writer.Write(fsize);
writer.Write(0U);
writer.Write(offbytes);
// write header
writer.Write(40); // size of header
writer.Write(image.Width);
writer.Write(image.Height);
writer.Write((ushort)1);
writer.Write((ushort)image.BitsPerPixel);
writer.Write(0); // compression (0 == uncompressed)
writer.Write(imagesize);
writer.Write((int)((39.37 * image.HorizontalResolution) + 0.5));
writer.Write((int)((39.37 * image.VerticalResolution) + 0.5));
writer.Write(ncolors);
writer.Write(ncolors);
// write colors if necessary
if (ncolors > 0)
{
Color[] palette = Image.CreatePalette(image.BitsPerPixel);
for (int i = 0, ii = palette.Length; i < ii; i++)
{
writer.Write(palette[i].Argb);
}
}
// write bits
byte[] bitsdst = new byte[imagesize];
unsafe
{
// positive height indicates that bitmap is bottom-up
fixed(ulong *src = &image.Bits[(image.Height - 1) * image.Stride])
{
fixed(byte *dst = bitsdst)
{
Arrays.CopyStrides(image.Height, new IntPtr(src), -image.Stride8, new IntPtr(dst), stride8);
if (image.BitsPerPixel < 8)
{
// make bits big-endian
Vectors.SwapBits(image.Height * stride32, image.BitsPerPixel, (uint *)dst);
}
}
}
}
writer.Write(bitsdst);
writer.Flush();
}
}
/// <summary>
/// Initializes a new instance of the <see cref="Image{TPixel}"/> class
/// with the height and the width of the image.
/// </summary>
/// <param name="configuration">The configuration providing initialization code which allows extending the library.</param>
/// <param name="width">The width of the image in pixels.</param>
/// <param name="height">The height of the image in pixels.</param>
/// <param name="backgroundColor">The color to initialize the pixels with.</param>
/// <param name="metadata">The images metadata.</param>
internal Image(Configuration configuration, int width, int height, TPixel backgroundColor, ImageMetadata metadata)
{
this.configuration = configuration ?? Configuration.Default;
this.PixelType = new PixelTypeInfo(Unsafe.SizeOf <TPixel>() * 8);
this.Metadata = metadata ?? new ImageMetadata();
this.Frames = new ImageFrameCollection <TPixel>(this, width, height, backgroundColor);
}
public ImageStatusEventData(ImageLoadStatus loadStatus, ImageMetadata metadata)
{
LoadStatus = loadStatus;
Metadata = metadata;
}
/// <summary>
/// Initializes a new instance of the <see cref="Image{TPixel}" /> class
/// with the height and the width of the image.
/// </summary>
/// <param name="configuration">The configuration providing initialization code which allows extending the library.</param>
/// <param name="metadata">The images metadata.</param>
/// <param name="frames">The frames that will be owned by this image instance.</param>
internal Image(Configuration configuration, ImageMetadata metadata, IEnumerable <ImageFrame <TPixel> > frames)
: base(configuration, PixelTypeInfo.Create <TPixel>(), metadata, ValidateFramesAndGetSize(frames))
{
this.Frames = new ImageFrameCollection <TPixel>(this, frames);
}
/// <summary>
/// Encode writes the image to the jpeg baseline format with the given options.
/// </summary>
/// <typeparam name="TPixel">The pixel format.</typeparam>
/// <param name="image">The image to write from.</param>
/// <param name="stream">The stream to write to.</param>
/// <param name="cancellationToken">The token to request cancellation.</param>
public void Encode <TPixel>(Image <TPixel> image, Stream stream, CancellationToken cancellationToken)
where TPixel : unmanaged, IPixel <TPixel>
{
Guard.NotNull(image, nameof(image));
Guard.NotNull(stream, nameof(stream));
cancellationToken.ThrowIfCancellationRequested();
const ushort max = JpegConstants.MaxLength;
if (image.Width >= max || image.Height >= max)
{
throw new ImageFormatException($"Image is too large to encode at {image.Width}x{image.Height}.");
}
this.outputStream = stream;
ImageMetadata metadata = image.Metadata;
// System.Drawing produces identical output for jpegs with a quality parameter of 0 and 1.
int qlty = Numerics.Clamp(this.quality ?? metadata.GetJpegMetadata().Quality, 1, 100);
this.subsample ??= qlty >= 91 ? JpegSubsample.Ratio444 : JpegSubsample.Ratio420;
// Convert from a quality rating to a scaling factor.
int scale;
if (qlty < 50)
{
scale = 5000 / qlty;
}
else
{
scale = 200 - (qlty * 2);
}
// Initialize the quantization tables.
InitQuantizationTable(0, scale, ref this.luminanceQuantTable);
InitQuantizationTable(1, scale, ref this.chrominanceQuantTable);
// Compute number of components based on input image type.
const int componentCount = 3;
// Write the Start Of Image marker.
this.WriteApplicationHeader(metadata);
// Write Exif, ICC and IPTC profiles
this.WriteProfiles(metadata);
// Write the quantization tables.
this.WriteDefineQuantizationTables();
// Write the image dimensions.
this.WriteStartOfFrame(image.Width, image.Height, componentCount);
// Write the Huffman tables.
this.WriteDefineHuffmanTables(componentCount);
// Write the image data.
this.WriteStartOfScan(image, cancellationToken);
// Write the End Of Image marker.
this.buffer[0] = JpegConstants.Markers.XFF;
this.buffer[1] = JpegConstants.Markers.EOI;
stream.Write(this.buffer, 0, 2);
stream.Flush();
}
public void CreateImageMetadata()
{
IImageMetadata metadata = new ImageMetadata();
metadata.Clear();
}
/// <summary>
/// set the rotation info
/// </summary>
/// <remarks>FREEIMAGE (until 3.11) does not support writing of metadata!!!!!!!!!</remarks>
/// <param name="dib"></param>
/// <param name="rotInfo"></param>
/// <returns>if the value was changed</returns>
public static bool SetRotateInfo(FIBITMAP dib, ushort rotInfo)
{
bool changed = false;
var iMetadata = new ImageMetadata(dib);
MetadataModel exifMain = iMetadata[FREE_IMAGE_MDMODEL.FIMD_EXIF_MAIN];
if (exifMain != null) {
MetadataTag orientationTag = exifMain.GetTag("Orientation");
if (orientationTag != null) {
var nuval = new[] {rotInfo};
if (orientationTag.Value != nuval) {
orientationTag.SetValue(nuval);
changed = true;
}
}
}
return changed;
}
/// <inheritdoc/>
public Image <TPixel> Decode <TPixel>(BufferedReadStream stream)
where TPixel : unmanaged, IPixel <TPixel>
{
var metadata = new ImageMetadata();
PngMetadata pngMetadata = metadata.GetPngMetadata();
this.currentStream = stream;
this.currentStream.Skip(8);
Image <TPixel> image = null;
try
{
while (!this.isEndChunkReached && this.TryReadChunk(out PngChunk chunk))
{
try
{
switch (chunk.Type)
{
case PngChunkType.Header:
this.ReadHeaderChunk(pngMetadata, chunk.Data.Array);
break;
case PngChunkType.Physical:
this.ReadPhysicalChunk(metadata, chunk.Data.GetSpan());
break;
case PngChunkType.Gamma:
this.ReadGammaChunk(pngMetadata, chunk.Data.GetSpan());
break;
case PngChunkType.Data:
if (image is null)
{
this.InitializeImage(metadata, out image);
}
this.ReadScanlines(chunk, image.Frames.RootFrame, pngMetadata);
break;
case PngChunkType.Palette:
var pal = new byte[chunk.Length];
Buffer.BlockCopy(chunk.Data.Array, 0, pal, 0, chunk.Length);
this.palette = pal;
break;
case PngChunkType.Transparency:
var alpha = new byte[chunk.Length];
Buffer.BlockCopy(chunk.Data.Array, 0, alpha, 0, chunk.Length);
this.paletteAlpha = alpha;
this.AssignTransparentMarkers(alpha, pngMetadata);
break;
case PngChunkType.Text:
this.ReadTextChunk(pngMetadata, chunk.Data.Array.AsSpan(0, chunk.Length));
break;
case PngChunkType.CompressedText:
this.ReadCompressedTextChunk(pngMetadata, chunk.Data.Array.AsSpan(0, chunk.Length));
break;
case PngChunkType.InternationalText:
this.ReadInternationalTextChunk(pngMetadata, chunk.Data.Array.AsSpan(0, chunk.Length));
break;
case PngChunkType.Exif:
if (!this.ignoreMetadata)
{
var exifData = new byte[chunk.Length];
Buffer.BlockCopy(chunk.Data.Array, 0, exifData, 0, chunk.Length);
metadata.ExifProfile = new ExifProfile(exifData);
}
break;
case PngChunkType.End:
this.isEndChunkReached = true;
break;
case PngChunkType.ProprietaryApple:
PngThrowHelper.ThrowInvalidChunkType("Proprietary Apple PNG detected! This PNG file is not conform to the specification and cannot be decoded.");
break;
}
}
finally
{
chunk.Data?.Dispose(); // Data is rented in ReadChunkData()
}
}
if (image is null)
{
PngThrowHelper.ThrowNoData();
}
return(image);
}
finally
{
this.scanline?.Dispose();
this.previousScanline?.Dispose();
}
}
public void BaselineTags <TPixel>(TestImageProvider <TPixel> provider)
where TPixel : unmanaged, IPixel <TPixel>
{
using (Image <TPixel> image = provider.GetImage(TiffDecoder))
{
ImageFrame <TPixel> rootFrame = image.Frames.RootFrame;
Assert.Equal(32, rootFrame.Width);
Assert.Equal(32, rootFrame.Height);
Assert.NotNull(rootFrame.Metadata.XmpProfile);
Assert.Equal(2599, rootFrame.Metadata.XmpProfile.Length);
ExifProfile exifProfile = rootFrame.Metadata.ExifProfile;
TiffFrameMetadata tiffFrameMetadata = rootFrame.Metadata.GetTiffMetadata();
Assert.NotNull(exifProfile);
// The original exifProfile has 30 values, but 4 of those values will be stored in the TiffFrameMetaData
// and removed from the profile on decode.
Assert.Equal(26, exifProfile.Values.Count);
Assert.Equal(TiffBitsPerPixel.Bit4, tiffFrameMetadata.BitsPerPixel);
Assert.Equal(TiffCompression.Lzw, tiffFrameMetadata.Compression);
Assert.Equal("This is Название", exifProfile.GetValue(ExifTag.ImageDescription).Value);
Assert.Equal("This is Изготовитель камеры", exifProfile.GetValue(ExifTag.Make).Value);
Assert.Equal("This is Модель камеры", exifProfile.GetValue(ExifTag.Model).Value);
Assert.Equal("IrfanView", exifProfile.GetValue(ExifTag.Software).Value);
Assert.Null(exifProfile.GetValue(ExifTag.DateTime)?.Value);
Assert.Equal("This is author1;Author2", exifProfile.GetValue(ExifTag.Artist).Value);
Assert.Null(exifProfile.GetValue(ExifTag.HostComputer)?.Value);
Assert.Equal("This is Авторские права", exifProfile.GetValue(ExifTag.Copyright).Value);
Assert.Equal(4, exifProfile.GetValue(ExifTag.Rating).Value);
Assert.Equal(75, exifProfile.GetValue(ExifTag.RatingPercent).Value);
var expectedResolution = new Rational(10000, 1000, simplify: false);
Assert.Equal(expectedResolution, exifProfile.GetValue(ExifTag.XResolution).Value);
Assert.Equal(expectedResolution, exifProfile.GetValue(ExifTag.YResolution).Value);
Assert.Equal(new Number[] { 8u }, exifProfile.GetValue(ExifTag.StripOffsets)?.Value, new NumberComparer());
Assert.Equal(new Number[] { 297u }, exifProfile.GetValue(ExifTag.StripByteCounts)?.Value, new NumberComparer());
Assert.Null(exifProfile.GetValue(ExifTag.ExtraSamples)?.Value);
Assert.Equal(32u, exifProfile.GetValue(ExifTag.RowsPerStrip).Value);
Assert.Null(exifProfile.GetValue(ExifTag.SampleFormat));
Assert.Equal(TiffPredictor.None, tiffFrameMetadata.Predictor);
Assert.Equal(PixelResolutionUnit.PixelsPerInch, UnitConverter.ExifProfileToResolutionUnit(exifProfile));
ushort[] colorMap = exifProfile.GetValue(ExifTag.ColorMap)?.Value;
Assert.NotNull(colorMap);
Assert.Equal(48, colorMap.Length);
Assert.Equal(10537, colorMap[0]);
Assert.Equal(14392, colorMap[1]);
Assert.Equal(58596, colorMap[46]);
Assert.Equal(3855, colorMap[47]);
Assert.Equal(TiffPhotometricInterpretation.PaletteColor, tiffFrameMetadata.PhotometricInterpretation);
Assert.Equal(1u, exifProfile.GetValue(ExifTag.SamplesPerPixel).Value);
ImageMetadata imageMetaData = image.Metadata;
Assert.NotNull(imageMetaData);
Assert.Equal(PixelResolutionUnit.PixelsPerInch, imageMetaData.ResolutionUnits);
Assert.Equal(10, imageMetaData.HorizontalResolution);
Assert.Equal(10, imageMetaData.VerticalResolution);
TiffMetadata tiffMetaData = image.Metadata.GetTiffMetadata();
Assert.NotNull(tiffMetaData);
Assert.Equal(ByteOrder.LittleEndian, tiffMetaData.ByteOrder);
}
}
public void Encode_PreservesMetadata <TPixel>(TestImageProvider <TPixel> provider)
where TPixel : unmanaged, IPixel <TPixel>
{
// Load Tiff image
using Image <TPixel> image = provider.GetImage(new TiffDecoder()
{
IgnoreMetadata = false
});
ImageMetadata inputMetaData = image.Metadata;
ImageFrame <TPixel> rootFrameInput = image.Frames.RootFrame;
TiffFrameMetadata frameMetaInput = rootFrameInput.Metadata.GetTiffMetadata();
byte[] xmpProfileInput = rootFrameInput.Metadata.XmpProfile;
ExifProfile exifProfileInput = rootFrameInput.Metadata.ExifProfile;
Assert.Equal(TiffCompression.Lzw, frameMetaInput.Compression);
Assert.Equal(TiffBitsPerPixel.Bit4, frameMetaInput.BitsPerPixel);
// Save to Tiff
var tiffEncoder = new TiffEncoder()
{
PhotometricInterpretation = TiffPhotometricInterpretation.Rgb
};
using var ms = new MemoryStream();
image.Save(ms, tiffEncoder);
// Assert
ms.Position = 0;
using var encodedImage = Image.Load <Rgba32>(ms);
ImageMetadata encodedImageMetaData = encodedImage.Metadata;
ImageFrame <Rgba32> rootFrameEncodedImage = encodedImage.Frames.RootFrame;
TiffFrameMetadata tiffMetaDataEncodedRootFrame = rootFrameEncodedImage.Metadata.GetTiffMetadata();
ExifProfile encodedImageExifProfile = rootFrameEncodedImage.Metadata.ExifProfile;
byte[] encodedImageXmpProfile = rootFrameEncodedImage.Metadata.XmpProfile;
Assert.Equal(TiffBitsPerPixel.Bit4, tiffMetaDataEncodedRootFrame.BitsPerPixel);
Assert.Equal(TiffCompression.Lzw, tiffMetaDataEncodedRootFrame.Compression);
Assert.Equal(inputMetaData.HorizontalResolution, encodedImageMetaData.HorizontalResolution);
Assert.Equal(inputMetaData.VerticalResolution, encodedImageMetaData.VerticalResolution);
Assert.Equal(inputMetaData.ResolutionUnits, encodedImageMetaData.ResolutionUnits);
Assert.Equal(rootFrameInput.Width, rootFrameEncodedImage.Width);
Assert.Equal(rootFrameInput.Height, rootFrameEncodedImage.Height);
PixelResolutionUnit resolutionUnitInput = UnitConverter.ExifProfileToResolutionUnit(exifProfileInput);
PixelResolutionUnit resolutionUnitEncoded = UnitConverter.ExifProfileToResolutionUnit(encodedImageExifProfile);
Assert.Equal(resolutionUnitInput, resolutionUnitEncoded);
Assert.Equal(exifProfileInput.GetValue(ExifTag.XResolution).Value.ToDouble(), encodedImageExifProfile.GetValue(ExifTag.XResolution).Value.ToDouble());
Assert.Equal(exifProfileInput.GetValue(ExifTag.YResolution).Value.ToDouble(), encodedImageExifProfile.GetValue(ExifTag.YResolution).Value.ToDouble());
Assert.Equal(xmpProfileInput, encodedImageXmpProfile);
Assert.Equal("IrfanView", exifProfileInput.GetValue(ExifTag.Software).Value);
Assert.Equal("This is Название", exifProfileInput.GetValue(ExifTag.ImageDescription).Value);
Assert.Equal("This is Изготовитель камеры", exifProfileInput.GetValue(ExifTag.Make).Value);
Assert.Equal("This is Авторские права", exifProfileInput.GetValue(ExifTag.Copyright).Value);
Assert.Equal(exifProfileInput.GetValue(ExifTag.ImageDescription).Value, encodedImageExifProfile.GetValue(ExifTag.ImageDescription).Value);
Assert.Equal(exifProfileInput.GetValue(ExifTag.Make).Value, encodedImageExifProfile.GetValue(ExifTag.Make).Value);
Assert.Equal(exifProfileInput.GetValue(ExifTag.Copyright).Value, encodedImageExifProfile.GetValue(ExifTag.Copyright).Value);
// Note that the encoded profile has PlanarConfiguration explicitly set, which is missing in the original image profile.
Assert.Equal((ushort)TiffPlanarConfiguration.Chunky, encodedImageExifProfile.GetValue(ExifTag.PlanarConfiguration)?.Value);
Assert.Equal(exifProfileInput.Values.Count + 1, encodedImageExifProfile.Values.Count);
}
private static void SetExifSubIFDProperties(IEnumerable <Directory> directories, ImageMetadata metaData)
{
ExifSubIfdDirectory directory = directories.OfType <ExifSubIfdDirectory>().FirstOrDefault();
if (directory == null)
{
return;
}
metaData.ExposureTime = directory.GetString(ExifDirectoryBase.TagExposureTime);
metaData.FNumber = directory.GetString(ExifDirectoryBase.TagFNumber);
metaData.ExposureProgram = directory.GetString(ExifDirectoryBase.TagExposureProgram);
metaData.IsoSpeed = directory.GetString(ExifDirectoryBase.TagIsoEquivalent);
metaData.DateTimeOriginal = directory.GetNullableDateTime(ExifDirectoryBase.TagDateTimeOriginal);
metaData.DateTimeDigitized = directory.GetNullableDateTime(ExifDirectoryBase.TagDateTimeDigitized);
}
/// <summary>
/// Gets image details for the given file.
/// </summary>
/// <param name="path">The path to an image file.</param>
/// <param name="useWIC">Whether to use the Windows Imaging Component.</param>
public static ImageMetadata FromFile(string path, bool useWIC)
{
ImageMetadata imageInfo = new ImageMetadata();
if (string.IsNullOrEmpty(path))
return imageInfo;
try
{
// Read file properties
FileInfo info = new FileInfo(path);
imageInfo.FileAttributes = info.Attributes;
imageInfo.CreationTime = info.CreationTime;
imageInfo.LastAccessTime = info.LastAccessTime;
imageInfo.LastWriteTime = info.LastWriteTime;
imageInfo.Size = info.Length;
imageInfo.DirectoryName = info.DirectoryName;
imageInfo.DisplayName = info.Name;
imageInfo.Extension = info.Extension;
// Get metadata
MetadataExtractor metadata = MetadataExtractor.FromFile(path, useWIC);
imageInfo.Dimensions = new Size(metadata.Width, metadata.Height);
imageInfo.Resolution = new SizeF((float)metadata.DPIX, (float)metadata.DPIY);
imageInfo.ImageDescription = metadata.ImageDescription ?? "";
imageInfo.EquipmentModel = metadata.EquipmentModel ?? "";
imageInfo.DateTaken = metadata.DateTaken;
imageInfo.Artist = metadata.Artist ?? "";
imageInfo.Copyright = metadata.Copyright ?? "";
imageInfo.ExposureTime = (float)metadata.ExposureTime;
imageInfo.FNumber = (float)metadata.FNumber;
imageInfo.ISOSpeed = (ushort)metadata.ISOSpeed;
imageInfo.UserComment = metadata.Comment ?? "";
imageInfo.Rating = (ushort)(metadata.Rating);
imageInfo.Software = metadata.Software ?? "";
imageInfo.FocalLength = (float)metadata.FocalLength;
if (metadata.Error != null)
imageInfo.Error = metadata.Error;
}
catch (Exception e)
{
imageInfo.Error = e;
}
return imageInfo;
}
private void bLoad_Click(object sender, EventArgs e)
{
// Create variables
OpenFileDialog ofd = new OpenFileDialog();
FIBITMAP dib = 0;
try
{
// Apply settings
ofd.CheckFileExists = true;
ofd.CheckPathExists = true;
ofd.FileName = "";
ofd.Filter = "All files (*.*)|*.*";
ofd.Multiselect = false;
ofd.RestoreDirectory = true;
// Get image filename
if (ofd.ShowDialog() == DialogResult.OK)
{
// Load the image
dib = FreeImage.LoadEx(ofd.FileName);
// Check if image was loaded successfully
if (dib.IsNull)
{
throw new Exception("Failed to load image.");
}
// Clear the treeview
tvMetadata.Nodes.Clear();
// Create a wrapper for all metadata the image contains
ImageMetadata iMetadata = new ImageMetadata(dib);
// Get each metadata model
foreach (MetadataModel metadataModel in iMetadata)
{
// Create a new node for each model
TreeNode modelNode = tvMetadata.Nodes.Add(metadataModel.ToString());
// Get each metadata tag and create a subnode for it
foreach (MetadataTag metadataTag in metadataModel)
{
modelNode.Nodes.Add(metadataTag.Key + ": " + metadataTag.ToString());
}
}
}
else
{
MessageBox.Show("Operation aborted.", "Aborted");
}
}
// Display error message
catch (Exception ex)
{
while (ex.InnerException != null)
{
ex = ex.InnerException;
}
MessageBox.Show(ex.ToString(), "Exception caught");
}
// Clean up
finally
{
ofd.Dispose();
FreeImage.UnloadEx(ref dib);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="Image{TPixel}"/> class
/// wrapping an external <see cref="MemorySource{T}"/>
/// </summary>
/// <param name="configuration">The configuration providing initialization code which allows extending the library.</param>
/// <param name="memorySource">The memory source.</param>
/// <param name="width">The width of the image in pixels.</param>
/// <param name="height">The height of the image in pixels.</param>
/// <param name="metadata">The images metadata.</param>
internal Image(Configuration configuration, MemorySource <TPixel> memorySource, int width, int height, ImageMetadata metadata)
{
this.configuration = configuration;
this.PixelType = new PixelTypeInfo(Unsafe.SizeOf <TPixel>() * 8);
this.Metadata = metadata;
this.Frames = new ImageFrameCollection <TPixel>(this, width, height, memorySource);
}
/// <summary>
/// Encodes the image to the specified stream from the <see cref="Image{TPixel}"/>.
/// </summary>
/// <typeparam name="TPixel">The pixel format.</typeparam>
/// <param name="image">The <see cref="Image{TPixel}"/> to encode from.</param>
/// <param name="stream">The <see cref="Stream"/> to encode the image data to.</param>
public void Encode <TPixel>(Image <TPixel> image, Stream stream)
where TPixel : unmanaged, IPixel <TPixel>
{
int width = image.Width;
int height = image.Height;
int pixelCount = width * height;
Span <byte> y = this.Y.GetSpan();
Span <byte> u = this.U.GetSpan();
Span <byte> v = this.V.GetSpan();
bool hasAlpha = YuvConversion.ConvertRgbToYuv(image, this.configuration, this.memoryAllocator, y, u, v);
int yStride = width;
int uvStride = (yStride + 1) >> 1;
var it = new Vp8EncIterator(this.YTop, this.UvTop, this.Nz, this.MbInfo, this.Preds, this.TopDerr, this.Mbw, this.Mbh);
int[] alphas = new int[WebpConstants.MaxAlpha + 1];
this.alpha = this.MacroBlockAnalysis(width, height, it, y, u, v, yStride, uvStride, alphas, out this.uvAlpha);
int totalMb = this.Mbw * this.Mbw;
this.alpha /= totalMb;
this.uvAlpha /= totalMb;
// Analysis is done, proceed to actual encoding.
this.SegmentHeader = new Vp8EncSegmentHeader(4);
this.AssignSegments(alphas);
this.SetLoopParams(this.quality);
// Initialize the bitwriter.
int averageBytesPerMacroBlock = AverageBytesPerMb[this.BaseQuant >> 4];
int expectedSize = this.Mbw * this.Mbh * averageBytesPerMacroBlock;
this.bitWriter = new Vp8BitWriter(expectedSize, this);
// Extract and encode alpha channel data, if present.
int alphaDataSize = 0;
bool alphaCompressionSucceeded = false;
using var alphaEncoder = new AlphaEncoder();
Span <byte> alphaData = Span <byte> .Empty;
if (hasAlpha)
{
// TODO: This can potentially run in an separate task.
IMemoryOwner <byte> encodedAlphaData = alphaEncoder.EncodeAlpha(image, this.configuration, this.memoryAllocator, this.alphaCompression, out alphaDataSize);
alphaData = encodedAlphaData.GetSpan();
if (alphaDataSize < pixelCount)
{
// Only use compressed data, if the compressed data is actually smaller then the uncompressed data.
alphaCompressionSucceeded = true;
}
}
// Stats-collection loop.
this.StatLoop(width, height, yStride, uvStride);
it.Init();
it.InitFilter();
var info = new Vp8ModeScore();
var residual = new Vp8Residual();
do
{
bool dontUseSkip = !this.Proba.UseSkipProba;
info.Clear();
it.Import(y, u, v, yStride, uvStride, width, height, false);
// Warning! order is important: first call VP8Decimate() and
// *then* decide how to code the skip decision if there's one.
if (!this.Decimate(it, ref info, this.rdOptLevel) || dontUseSkip)
{
this.CodeResiduals(it, info, residual);
}
else
{
it.ResetAfterSkip();
}
it.SaveBoundary();
}while (it.Next());
// Store filter stats.
this.AdjustFilterStrength();
// Write bytes from the bitwriter buffer to the stream.
ImageMetadata metadata = image.Metadata;
metadata.SyncProfiles();
this.bitWriter.WriteEncodedImageToStream(
stream,
metadata.ExifProfile,
metadata.XmpProfile,
(uint)width,
(uint)height,
hasAlpha,
alphaData,
this.alphaCompression && alphaCompressionSucceeded);
}
private void ProcessProfiles(ImageMetadata imageMetadata, ExifProfile exifProfile, XmpProfile xmpProfile)
{
if (exifProfile != null && exifProfile.Parts != ExifParts.None)
{
foreach (IExifValue entry in exifProfile.Values)
{
if (!this.Collector.Entries.Exists(t => t.Tag == entry.Tag) && entry.GetValue() != null)
{
ExifParts entryPart = ExifTags.GetPart(entry.Tag);
if (entryPart != ExifParts.None && exifProfile.Parts.HasFlag(entryPart))
{
this.Collector.AddOrReplace(entry.DeepClone());
}
}
}
}
else
{
exifProfile.RemoveValue(ExifTag.SubIFDOffset);
}
if (imageMetadata.IptcProfile != null)
{
imageMetadata.IptcProfile.UpdateData();
var iptc = new ExifByteArray(ExifTagValue.IPTC, ExifDataType.Byte)
{
Value = imageMetadata.IptcProfile.Data
};
this.Collector.Add(iptc);
}
else
{
exifProfile.RemoveValue(ExifTag.IPTC);
}
if (imageMetadata.IccProfile != null)
{
var icc = new ExifByteArray(ExifTagValue.IccProfile, ExifDataType.Undefined)
{
Value = imageMetadata.IccProfile.ToByteArray()
};
this.Collector.Add(icc);
}
else
{
exifProfile.RemoveValue(ExifTag.IccProfile);
}
if (xmpProfile != null)
{
var xmp = new ExifByteArray(ExifTagValue.XMP, ExifDataType.Byte)
{
Value = xmpProfile.Data
};
this.Collector.Add(xmp);
}
else
{
exifProfile.RemoveValue(ExifTag.XMP);
}
}
private async Task ProcessRequestAsync(HttpContext context, bool processRequest, IImageResolver sourceImageResolver, ImageContext imageContext, IDictionary <string, string> commands)
{
// Create a cache key based on all the components of the requested url
string uri = GetUri(context, commands);
string key = this.cacheHash.Create(uri, this.options.CachedNameLength);
ImageMetadata sourceImageMetadata = default;
if (processRequest)
{
// Lock any reads when a write is being done for the same key to prevent potential file locks.
using (await AsyncLock.ReaderLockAsync(key))
{
// Check to see if the cache contains this image
sourceImageMetadata = await sourceImageResolver.GetMetaDataAsync();
IImageCacheResolver cachedImageResolver = await this.cache.GetAsync(key);
if (cachedImageResolver != null)
{
ImageCacheMetadata cachedImageMetadata = await cachedImageResolver.GetMetaDataAsync();
if (cachedImageMetadata != default)
{
// Has the cached image expired or has the source image been updated?
if (cachedImageMetadata.SourceLastWriteTimeUtc == sourceImageMetadata.LastWriteTimeUtc &&
cachedImageMetadata.CacheLastWriteTimeUtc > DateTimeOffset.Now.AddDays(-this.options.MaxCacheDays))
{
// We're pulling the image from the cache.
using (Stream cachedBuffer = await cachedImageResolver.OpenReadAsync())
{
await this.SendResponseAsync(imageContext, key, cachedBuffer, cachedImageMetadata);
}
return;
}
}
}
}
// Not cached? Let's get it from the image resolver.
ChunkedMemoryStream outStream = null;
try
{
if (processRequest)
{
// Enter a write lock which locks writing and any reads for the same request.
// This reduces the overheads of unnecessary processing plus avoids file locks.
using (await AsyncLock.WriterLockAsync(key))
{
// No allocations here for inStream since we are passing the raw input stream.
// outStream allocation depends on the memory allocator used.
ImageCacheMetadata cachedImageMetadata = default;
outStream = new ChunkedMemoryStream();
using (Stream inStream = await sourceImageResolver.OpenReadAsync())
{
IImageFormat format;
// No commands? We simply copy the stream across.
if (commands.Count == 0)
{
format = Image.DetectFormat(this.options.Configuration, inStream);
await inStream.CopyToAsync(outStream);
}
else
{
using (var image = FormattedImage.Load(this.options.Configuration, inStream))
{
image.Process(this.logger, this.processors, commands);
this.options.OnBeforeSave?.Invoke(image);
image.Save(outStream);
format = image.Format;
}
}
// Check to see if the source metadata has a cachecontrol max-age value and use it to
// override the default max age from our options.
var maxAge = TimeSpan.FromDays(this.options.MaxBrowserCacheDays);
if (!sourceImageMetadata.CacheControlMaxAge.Equals(TimeSpan.MinValue))
{
maxAge = sourceImageMetadata.CacheControlMaxAge;
}
cachedImageMetadata = new ImageCacheMetadata(
sourceImageMetadata.LastWriteTimeUtc,
DateTime.UtcNow,
format.DefaultMimeType,
maxAge);
}
// Allow for any further optimization of the image. Always reset the position just in case.
outStream.Position = 0;
string contentType = cachedImageMetadata.ContentType;
string extension = this.formatUtilities.GetExtensionFromContentType(contentType);
this.options.OnProcessed?.Invoke(new ImageProcessingContext(context, outStream, commands, contentType, extension));
outStream.Position = 0;
// Save the image to the cache and send the response to the caller.
await this.cache.SetAsync(key, outStream, cachedImageMetadata);
await this.SendResponseAsync(imageContext, key, outStream, cachedImageMetadata);
}
}
}
catch (Exception ex)
{
// Log the error internally then rethrow.
// We don't call next here, the pipeline will automatically handle it
this.logger.LogImageProcessingFailed(imageContext.GetDisplayUrl(), ex);
throw;
}
finally
{
outStream?.Dispose();
}
}
}
/// <summary>
/// Encodes the image to the specified stream from the <see cref="Image{TPixel}"/>.
/// </summary>
/// <typeparam name="TPixel">The pixel format.</typeparam>
/// <param name="image">The <see cref="Image{TPixel}"/> to encode from.</param>
/// <param name="stream">The <see cref="Stream"/> to encode the image data to.</param>
/// <param name="cancellationToken">The token to request cancellation.</param>
public void Encode <TPixel>(Image <TPixel> image, Stream stream, CancellationToken cancellationToken)
where TPixel : unmanaged, IPixel <TPixel>
{
Guard.NotNull(image, nameof(image));
Guard.NotNull(stream, nameof(stream));
ImageMetadata metadata = image.Metadata;
GifMetadata gifMetadata = metadata.GetGifMetadata();
this.colorTableMode ??= gifMetadata.ColorTableMode;
bool useGlobalTable = this.colorTableMode == GifColorTableMode.Global;
// Quantize the image returning a palette.
IndexedImageFrame <TPixel> quantized;
using (IQuantizer <TPixel> frameQuantizer = this.quantizer.CreatePixelSpecificQuantizer <TPixel>(this.configuration))
{
if (useGlobalTable)
{
frameQuantizer.BuildPalette(this.pixelSamplingStrategy, image);
quantized = frameQuantizer.QuantizeFrame(image.Frames.RootFrame, image.Bounds());
}
else
{
quantized = frameQuantizer.BuildPaletteAndQuantizeFrame(image.Frames.RootFrame, image.Bounds());
}
}
// Get the number of bits.
this.bitDepth = ColorNumerics.GetBitsNeededForColorDepth(quantized.Palette.Length);
// Write the header.
this.WriteHeader(stream);
// Write the LSD.
int index = this.GetTransparentIndex(quantized);
this.WriteLogicalScreenDescriptor(metadata, image.Width, image.Height, index, useGlobalTable, stream);
if (useGlobalTable)
{
this.WriteColorTable(quantized, stream);
}
// Write the comments.
this.WriteComments(gifMetadata, stream);
// Write application extension to allow additional frames.
if (image.Frames.Count > 1)
{
this.WriteApplicationExtension(stream, gifMetadata.RepeatCount);
}
if (useGlobalTable)
{
this.EncodeGlobal(image, quantized, index, stream);
}
else
{
this.EncodeLocal(image, quantized, stream);
}
// Clean up.
quantized.Dispose();
// TODO: Write extension etc
stream.WriteByte(GifConstants.EndIntroducer);
}
/// <summary> /// Gets the webp format specific metadata for the image. /// </summary> /// <param name="metadata">The metadata this method extends.</param> /// <returns>The <see cref="WebpMetadata"/>.</returns> public static WebpMetadata GetWebpMetadata(this ImageMetadata metadata) => metadata.GetFormatMetadata(WebpFormat.Instance);
private bool TryParseGPS(ImageMetadata iMetadata, out double? latitude, out double? longitude)
{
MDM_EXIF_GPS gps = (MDM_EXIF_GPS) iMetadata[FREE_IMAGE_MDMODEL.FIMD_EXIF_GPS];
double? lonValue = ToDecimalDegree(gps.Longitude);
if (lonValue.HasValue && gps.LongitudeDirection != null && gps.LongitudeDirection == MetadataModel.LongitudeType.West)
lonValue *= -1;
double? latValue = ToDecimalDegree(gps.Latitude);
if (latValue.HasValue && gps.Latitude != null && gps.LatitudeDirection == MetadataModel.LatitudeType.South)
latValue *= -1;
latitude = latValue;
longitude = lonValue;
return latitude.HasValue && longitude.HasValue;
}
/// <summary>
/// Encodes the image to the specified stream from the <see cref="ImageFrame{TPixel}"/>.
/// </summary>
/// <typeparam name="TPixel">The pixel format.</typeparam>
/// <param name="image">The <see cref="ImageFrame{TPixel}"/> to encode from.</param>
/// <param name="stream">The <see cref="Stream"/> to encode the image data to.</param>
public void Encode <TPixel>(Image <TPixel> image, Stream stream)
where TPixel : unmanaged, IPixel <TPixel>
{
Guard.NotNull(image, nameof(image));
Guard.NotNull(stream, nameof(stream));
this.configuration = image.GetConfiguration();
ImageMetadata metadata = image.Metadata;
TgaMetadata tgaMetadata = metadata.GetTgaMetadata();
this.bitsPerPixel = this.bitsPerPixel ?? tgaMetadata.BitsPerPixel;
TgaImageType imageType = this.compression is TgaCompression.RunLength ? TgaImageType.RleTrueColor : TgaImageType.TrueColor;
if (this.bitsPerPixel == TgaBitsPerPixel.Pixel8)
{
imageType = this.compression is TgaCompression.RunLength ? TgaImageType.RleBlackAndWhite : TgaImageType.BlackAndWhite;
}
byte imageDescriptor = 0;
if (this.compression is TgaCompression.RunLength)
{
// If compression is used, set bit 5 of the image descriptor to indicate a left top origin.
imageDescriptor |= 0x20;
}
if (this.bitsPerPixel is TgaBitsPerPixel.Pixel32)
{
// Indicate, that 8 bit are used for the alpha channel.
imageDescriptor |= 0x8;
}
if (this.bitsPerPixel is TgaBitsPerPixel.Pixel16)
{
// Indicate, that 1 bit is used for the alpha channel.
imageDescriptor |= 0x1;
}
var fileHeader = new TgaFileHeader(
idLength: 0,
colorMapType: 0,
imageType: imageType,
cMapStart: 0,
cMapLength: 0,
cMapDepth: 0,
xOffset: 0,
yOffset: this.compression is TgaCompression.RunLength ? (short)image.Height : (short)0, // When run length encoding is used, the origin should be top left instead of the default bottom left.
width: (short)image.Width,
height: (short)image.Height,
pixelDepth: (byte)this.bitsPerPixel.Value,
imageDescriptor: imageDescriptor);
Span <byte> buffer = stackalloc byte[TgaFileHeader.Size];
fileHeader.WriteTo(buffer);
stream.Write(buffer, 0, TgaFileHeader.Size);
if (this.compression is TgaCompression.RunLength)
{
this.WriteRunLengthEncodedImage(stream, image.Frames.RootFrame);
}
else
{
this.WriteImage(stream, image.Frames.RootFrame);
}
stream.Flush();
}
/// <summary> /// Gets the bmp format specific metadata for the image. /// </summary> /// <param name="metadata">The metadata this method extends.</param> /// <returns>The <see cref="BmpMetadata"/>.</returns> public static BmpMetadata GetBmpMetadata(this ImageMetadata metadata) => metadata.GetFormatMetadata(BmpFormat.Instance);
/// <summary>
/// get the rotation info
/// </summary>
/// <param name="dib"></param>
/// <returns></returns>
public static ushort GetRotateInfo(FIBITMAP dib)
{
ushort rotateme = 1;
var iMetadata = new ImageMetadata(dib);
MetadataModel exifMain = iMetadata[FREE_IMAGE_MDMODEL.FIMD_EXIF_MAIN];
if (exifMain != null) {
MetadataTag orientationTag = exifMain.GetTag("Orientation");
if (orientationTag != null) {
var rotInfo = (ushort[])orientationTag.Value;
if (rotInfo != null && rotInfo.Length > 0) {
rotateme = rotInfo[0];
}
}
}
return rotateme;
}
/// <summary>
/// Encodes the image to the specified stream from the <see cref="Image{TPixel}"/>.
/// </summary>
/// <typeparam name="TPixel">The pixel format.</typeparam>
/// <param name="image">The <see cref="Image{TPixel}"/> to encode from.</param>
/// <param name="stream">The <see cref="Stream"/> to encode the image data to.</param>
public void Encode <TPixel>(Image <TPixel> image, Stream stream)
where TPixel : struct, IPixel <TPixel>
{
Guard.NotNull(image, nameof(image));
Guard.NotNull(stream, nameof(stream));
this.configuration = image.GetConfiguration();
ImageMetadata metadata = image.Metadata;
this.gifMetadata = metadata.GetFormatMetadata(GifFormat.Instance);
this.colorTableMode = this.colorTableMode ?? this.gifMetadata.ColorTableMode;
bool useGlobalTable = this.colorTableMode == GifColorTableMode.Global;
// Quantize the image returning a palette.
IQuantizedFrame <TPixel> quantized = null;
using (IFrameQuantizer <TPixel> frameQuantizer = this.quantizer.CreateFrameQuantizer <TPixel>(image.GetConfiguration()))
{
quantized = frameQuantizer.QuantizeFrame(image.Frames.RootFrame);
}
// Get the number of bits.
this.bitDepth = ImageMaths.GetBitsNeededForColorDepth(quantized.Palette.Length).Clamp(1, 8);
// Write the header.
this.WriteHeader(stream);
// Write the LSD.
int index = this.GetTransparentIndex(quantized);
this.WriteLogicalScreenDescriptor(metadata, image.Width, image.Height, index, useGlobalTable, stream);
if (useGlobalTable)
{
this.WriteColorTable(quantized, stream);
}
// Write the comments.
this.WriteComments(metadata, stream);
// Write application extension to allow additional frames.
if (image.Frames.Count > 1)
{
this.WriteApplicationExtension(stream, this.gifMetadata.RepeatCount);
}
if (useGlobalTable)
{
this.EncodeGlobal(image, quantized, index, stream);
}
else
{
this.EncodeLocal(image, quantized, stream);
}
// Clean up.
quantized?.Dispose();
// TODO: Write extension etc
stream.WriteByte(GifConstants.EndIntroducer);
}
/// <summary>
/// Encodes the image to the specified stream from the <see cref="Image{TPixel}"/>.
/// </summary>
/// <typeparam name="TPixel">The pixel format.</typeparam>
/// <param name="image">The <see cref="ImageFrame{TPixel}"/> to encode from.</param>
/// <param name="stream">The <see cref="Stream"/> to encode the image data to.</param>
public void Encode <TPixel>(Image <TPixel> image, Stream stream)
where TPixel : struct, IPixel <TPixel>
{
Guard.NotNull(image, nameof(image));
Guard.NotNull(stream, nameof(stream));
this.configuration = image.GetConfiguration();
this.width = image.Width;
this.height = image.Height;
// Always take the encoder options over the metadata values.
ImageMetadata metadata = image.Metadata;
PngMetadata pngMetadata = metadata.GetFormatMetadata(PngFormat.Instance);
this.gamma = this.gamma ?? pngMetadata.Gamma;
this.writeGamma = this.gamma > 0;
this.pngColorType = this.pngColorType ?? pngMetadata.ColorType;
this.pngBitDepth = this.pngBitDepth ?? pngMetadata.BitDepth;
this.use16Bit = this.pngBitDepth == PngBitDepth.Bit16;
// Ensure we are not allowing impossible combinations.
if (!ColorTypes.ContainsKey(this.pngColorType.Value))
{
throw new NotSupportedException("Color type is not supported or not valid.");
}
stream.Write(PngConstants.HeaderBytes, 0, PngConstants.HeaderBytes.Length);
QuantizedFrame <TPixel> quantized = null;
if (this.pngColorType == PngColorType.Palette)
{
byte bits = (byte)this.pngBitDepth;
if (!ColorTypes[this.pngColorType.Value].Contains(bits))
{
throw new NotSupportedException("Bit depth is not supported or not valid.");
}
// Use the metadata to determine what quantization depth to use if no quantizer has been set.
if (this.quantizer is null)
{
this.quantizer = new WuQuantizer(ImageMaths.GetColorCountForBitDepth(bits));
}
// Create quantized frame returning the palette and set the bit depth.
quantized = this.quantizer.CreateFrameQuantizer <TPixel>(image.GetConfiguration())
.QuantizeFrame(image.Frames.RootFrame);
byte quantizedBits = (byte)ImageMaths.GetBitsNeededForColorDepth(quantized.Palette.Length).Clamp(1, 8);
bits = Math.Max(bits, quantizedBits);
// Png only supports in four pixel depths: 1, 2, 4, and 8 bits when using the PLTE chunk
// We check again for the bit depth as the bit depth of the color palette from a given quantizer might not
// be within the acceptable range.
if (bits == 3)
{
bits = 4;
}
else if (bits >= 5 && bits <= 7)
{
bits = 8;
}
this.bitDepth = bits;
}
else
{
this.bitDepth = (byte)this.pngBitDepth;
if (!ColorTypes[this.pngColorType.Value].Contains(this.bitDepth))
{
throw new NotSupportedException("Bit depth is not supported or not valid.");
}
}
this.bytesPerPixel = this.CalculateBytesPerPixel();
var header = new PngHeader(
width: image.Width,
height: image.Height,
bitDepth: this.bitDepth,
colorType: this.pngColorType.Value,
compressionMethod: 0, // None
filterMethod: 0,
interlaceMethod: 0); // TODO: Can't write interlaced yet.
this.WriteHeaderChunk(stream, header);
// Collect the indexed pixel data
if (quantized != null)
{
this.WritePaletteChunk(stream, quantized);
}
if (pngMetadata.HasTrans)
{
this.WriteTransparencyChunk(stream, pngMetadata);
}
this.WritePhysicalChunk(stream, metadata);
this.WriteGammaChunk(stream);
this.WriteExifChunk(stream, metadata);
this.WriteDataChunks(image.Frames.RootFrame, quantized, stream);
this.WriteEndChunk(stream);
stream.Flush();
quantized?.Dispose();
}
/// <summary>
/// Encodes the image to the specified stream from the <see cref="ImageFrame{TPixel}"/>.
/// </summary>
/// <typeparam name="TPixel">The pixel format.</typeparam>
/// <param name="image">The <see cref="ImageFrame{TPixel}"/> to encode from.</param>
/// <param name="stream">The <see cref="Stream"/> to encode the image data to.</param>
public void Encode <TPixel>(Image <TPixel> image, Stream stream)
where TPixel : struct, IPixel <TPixel>
{
Guard.NotNull(image, nameof(image));
Guard.NotNull(stream, nameof(stream));
this.configuration = image.GetConfiguration();
ImageMetadata metadata = image.Metadata;
BmpMetadata bmpMetadata = metadata.GetBmpMetadata();
this.bitsPerPixel = this.bitsPerPixel ?? bmpMetadata.BitsPerPixel;
short bpp = (short)this.bitsPerPixel;
int bytesPerLine = 4 * (((image.Width * bpp) + 31) / 32);
this.padding = bytesPerLine - (int)(image.Width * (bpp / 8F));
// Set Resolution.
int hResolution = 0;
int vResolution = 0;
if (metadata.ResolutionUnits != PixelResolutionUnit.AspectRatio)
{
if (metadata.HorizontalResolution > 0 && metadata.VerticalResolution > 0)
{
switch (metadata.ResolutionUnits)
{
case PixelResolutionUnit.PixelsPerInch:
hResolution = (int)Math.Round(UnitConverter.InchToMeter(metadata.HorizontalResolution));
vResolution = (int)Math.Round(UnitConverter.InchToMeter(metadata.VerticalResolution));
break;
case PixelResolutionUnit.PixelsPerCentimeter:
hResolution = (int)Math.Round(UnitConverter.CmToMeter(metadata.HorizontalResolution));
vResolution = (int)Math.Round(UnitConverter.CmToMeter(metadata.VerticalResolution));
break;
case PixelResolutionUnit.PixelsPerMeter:
hResolution = (int)Math.Round(metadata.HorizontalResolution);
vResolution = (int)Math.Round(metadata.VerticalResolution);
break;
}
}
}
int infoHeaderSize = this.writeV4Header ? BmpInfoHeader.SizeV4 : BmpInfoHeader.SizeV3;
var infoHeader = new BmpInfoHeader(
headerSize: infoHeaderSize,
height: image.Height,
width: image.Width,
bitsPerPixel: bpp,
planes: 1,
imageSize: image.Height * bytesPerLine,
clrUsed: 0,
clrImportant: 0,
xPelsPerMeter: hResolution,
yPelsPerMeter: vResolution);
if (this.writeV4Header && this.bitsPerPixel == BmpBitsPerPixel.Pixel32)
{
infoHeader.AlphaMask = Rgba32AlphaMask;
infoHeader.RedMask = Rgba32RedMask;
infoHeader.GreenMask = Rgba32GreenMask;
infoHeader.BlueMask = Rgba32BlueMask;
infoHeader.Compression = BmpCompression.BitFields;
}
int colorPaletteSize = this.bitsPerPixel == BmpBitsPerPixel.Pixel8 ? ColorPaletteSize8Bit : 0;
var fileHeader = new BmpFileHeader(
type: BmpConstants.TypeMarkers.Bitmap,
fileSize: BmpFileHeader.Size + infoHeaderSize + infoHeader.ImageSize,
reserved: 0,
offset: BmpFileHeader.Size + infoHeaderSize + colorPaletteSize);
Span <byte> buffer = stackalloc byte[infoHeaderSize];
fileHeader.WriteTo(buffer);
stream.Write(buffer, 0, BmpFileHeader.Size);
if (this.writeV4Header)
{
infoHeader.WriteV4Header(buffer);
}
else
{
infoHeader.WriteV3Header(buffer);
}
stream.Write(buffer, 0, infoHeaderSize);
this.WriteImage(stream, image.Frames.RootFrame);
stream.Flush();
}
public void ImageMetadata()
{
ImageMetadata metadata;
List<MetadataModel> modelList;
MetadataTag tag = new MetadataTag(FREE_IMAGE_MDMODEL.FIMD_COMMENTS);
tag.Key = "KEY";
tag.ID = 11;
tag.Value = new double[] { 0d, 41d, -523d, -0.41d };
dib = FreeImage.Allocate(1, 1, 1, 1, 0, 0);
Assert.IsFalse(dib.IsNull);
metadata = new ImageMetadata(dib, true);
Assert.AreEqual(0, metadata.Count);
Assert.IsTrue(metadata.HideEmptyModels);
Assert.IsEmpty(metadata.List);
metadata = new ImageMetadata(dib, false);
Assert.AreEqual(FreeImage.FREE_IMAGE_MDMODELS.Length, metadata.Count);
Assert.IsFalse(metadata.HideEmptyModels);
Assert.IsNotEmpty(metadata.List);
metadata.HideEmptyModels = true;
metadata.AddTag(tag);
Assert.AreEqual(1, metadata.Count);
Assert.IsNotEmpty(metadata.List);
modelList = metadata.List;
Assert.AreEqual(FREE_IMAGE_MDMODEL.FIMD_COMMENTS, modelList[0].Model);
System.Collections.IEnumerator enumerator = metadata.GetEnumerator();
Assert.IsTrue(enumerator.MoveNext());
Assert.IsNotNull((MetadataModel)enumerator.Current);
Assert.IsFalse(enumerator.MoveNext());
FreeImage.UnloadEx(ref dib);
}
/// <summary>
/// Decodes the stream to the image.
/// </summary>
/// <typeparam name="TPixel">The pixel format.</typeparam>
/// <param name="stream">The stream containing image data. </param>
/// <exception cref="ImageFormatException">
/// Thrown if the stream does not contain and end chunk.
/// </exception>
/// <exception cref="ArgumentOutOfRangeException">
/// Thrown if the image is larger than the maximum allowable size.
/// </exception>
/// <returns>The decoded image</returns>
public Image <TPixel> Decode <TPixel>(Stream stream)
where TPixel : struct, IPixel <TPixel>
{
var metadata = new ImageMetadata();
PngMetadata pngMetadata = metadata.GetFormatMetadata(PngFormat.Instance);
this.currentStream = stream;
this.currentStream.Skip(8);
Image <TPixel> image = null;
try
{
while (!this.isEndChunkReached && this.TryReadChunk(out PngChunk chunk))
{
try
{
switch (chunk.Type)
{
case PngChunkType.Header:
this.ReadHeaderChunk(pngMetadata, chunk.Data.Array);
break;
case PngChunkType.Physical:
this.ReadPhysicalChunk(metadata, chunk.Data.GetSpan());
break;
case PngChunkType.Gamma:
this.ReadGammaChunk(pngMetadata, chunk.Data.GetSpan());
break;
case PngChunkType.Data:
if (image is null)
{
this.InitializeImage(metadata, out image);
}
using (var deframeStream = new ZlibInflateStream(this.currentStream, this.ReadNextDataChunk))
{
deframeStream.AllocateNewBytes(chunk.Length);
this.ReadScanlines(deframeStream.CompressedStream, image.Frames.RootFrame, pngMetadata);
}
break;
case PngChunkType.Palette:
var pal = new byte[chunk.Length];
Buffer.BlockCopy(chunk.Data.Array, 0, pal, 0, chunk.Length);
this.palette = pal;
break;
case PngChunkType.Transparency:
var alpha = new byte[chunk.Length];
Buffer.BlockCopy(chunk.Data.Array, 0, alpha, 0, chunk.Length);
this.paletteAlpha = alpha;
this.AssignTransparentMarkers(alpha, pngMetadata);
break;
case PngChunkType.Text:
this.ReadTextChunk(pngMetadata, chunk.Data.Array.AsSpan(0, chunk.Length));
break;
case PngChunkType.CompressedText:
this.ReadCompressedTextChunk(pngMetadata, chunk.Data.Array.AsSpan(0, chunk.Length));
break;
case PngChunkType.InternationalText:
this.ReadInternationalTextChunk(pngMetadata, chunk.Data.Array.AsSpan(0, chunk.Length));
break;
case PngChunkType.Exif:
if (!this.ignoreMetadata)
{
var exifData = new byte[chunk.Length];
Buffer.BlockCopy(chunk.Data.Array, 0, exifData, 0, chunk.Length);
metadata.ExifProfile = new ExifProfile(exifData);
}
break;
case PngChunkType.End:
this.isEndChunkReached = true;
break;
}
}
finally
{
chunk.Data?.Dispose(); // Data is rented in ReadChunkData()
}
}
if (image is null)
{
throw new ImageFormatException("PNG Image does not contain a data chunk");
}
return(image);
}
finally
{
this.scanline?.Dispose();
this.previousScanline?.Dispose();
}
}
/// <summary>
/// Synchronizes the profiles with the specified metadata.
/// </summary>
/// <param name="metadata">The metadata.</param>
internal void Sync(ImageMetadata metadata)
{
this.SyncResolution(ExifTag.XResolution, metadata.HorizontalResolution);
this.SyncResolution(ExifTag.YResolution, metadata.VerticalResolution);
}
/// <inheritdoc/>
public IImageInfo Identify(BufferedReadStream stream)
{
var metadata = new ImageMetadata();
PngMetadata pngMetadata = metadata.GetPngMetadata();
this.currentStream = stream;
this.currentStream.Skip(8);
try
{
while (!this.isEndChunkReached && this.TryReadChunk(out PngChunk chunk))
{
try
{
switch (chunk.Type)
{
case PngChunkType.Header:
this.ReadHeaderChunk(pngMetadata, chunk.Data.Array);
break;
case PngChunkType.Physical:
this.ReadPhysicalChunk(metadata, chunk.Data.GetSpan());
break;
case PngChunkType.Gamma:
this.ReadGammaChunk(pngMetadata, chunk.Data.GetSpan());
break;
case PngChunkType.Data:
this.SkipChunkDataAndCrc(chunk);
break;
case PngChunkType.Text:
this.ReadTextChunk(pngMetadata, chunk.Data.Array.AsSpan(0, chunk.Length));
break;
case PngChunkType.CompressedText:
this.ReadCompressedTextChunk(pngMetadata, chunk.Data.Array.AsSpan(0, chunk.Length));
break;
case PngChunkType.InternationalText:
this.ReadInternationalTextChunk(pngMetadata, chunk.Data.Array.AsSpan(0, chunk.Length));
break;
case PngChunkType.Exif:
if (!this.ignoreMetadata)
{
var exifData = new byte[chunk.Length];
Buffer.BlockCopy(chunk.Data.Array, 0, exifData, 0, chunk.Length);
metadata.ExifProfile = new ExifProfile(exifData);
}
break;
case PngChunkType.End:
this.isEndChunkReached = true;
break;
}
}
finally
{
chunk.Data?.Dispose(); // Data is rented in ReadChunkData()
}
}
}
finally
{
this.scanline?.Dispose();
this.previousScanline?.Dispose();
}
if (this.header.Width == 0 && this.header.Height == 0)
{
PngThrowHelper.ThrowNoHeader();
}
return(new ImageInfo(new PixelTypeInfo(this.CalculateBitsPerPixel()), this.header.Width, this.header.Height, metadata));
}
public FlyCaptureDataFrame(IplImage image, ImageMetadata metadata)
: this(image, metadata, BayerTileFormat.None)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="Image{TPixel}"/> class
/// with the height and the width of the image.
/// </summary>
/// <param name="configuration">The configuration providing initialization code which allows extending the library.</param>
/// <param name="width">The width of the image in pixels.</param>
/// <param name="height">The height of the image in pixels.</param>
/// <param name="metadata">The images metadata.</param>
internal Image(Configuration configuration, int width, int height, ImageMetadata metadata)
: base(configuration, PixelTypeInfo.Create <TPixel>(), metadata, width, height)
{
this.Frames = new ImageFrameCollection <TPixel>(this, width, height, default(TPixel));
}
public FlyCaptureDataFrame(IplImage image, ImageMetadata metadata, BayerTileFormat bayerTileFormat)
{
Image = image;
Metadata = metadata;
BayerTileFormat = bayerTileFormat;
}
/// <summary> /// Gets the jpeg format specific metadata for the image. /// </summary> /// <param name="metadata">The metadata this method extends.</param> /// <returns>The <see cref="JpegMetadata"/>.</returns> public static JpegMetadata GetJpegMetadata(this ImageMetadata metadata) => metadata.GetFormatMetadata(JpegFormat.Instance);
public static BaseMetadata read(String location, MetadataFactory.ReadOptions options, CancellationToken token, int timeoutSeconds)
{
BaseMetadata metadata = new UnknownMetadata(FileUtils.getPathWithoutFileName(location));
metadata.Name = Path.GetFileName(location);
Logger.Log.Info("Reading metadata for: " + location);
int timeoutMs = timeoutSeconds * 1000;
Stream data = FileUtils.waitForFileAccess(location, FileAccess.Read, timeoutMs, token);
MediaProbe mediaProbe = new MediaProbe();
try
{
mediaProbe.open(location, token);
switch (mediaProbe.MediaType)
{
case MediaType.AUDIO_MEDIA:
{
metadata = new AudioMetadata(location, data);
AudioFileMetadataReader reader = new AudioFileMetadataReader();
reader.readMetadata(mediaProbe, data, options, metadata, token, timeoutSeconds);
break;
}
case MediaType.IMAGE_MEDIA:
{
metadata = new ImageMetadata(location, data);
ImageFileMetadataReader reader = new ImageFileMetadataReader();
reader.readMetadata(mediaProbe, data, options, metadata, token, timeoutSeconds);
break;
}
case MediaType.VIDEO_MEDIA:
{
metadata = new VideoMetadata(location, data);
VideoFileMetadataReader reader = new VideoFileMetadataReader();
reader.readMetadata(mediaProbe, data, options, metadata, token, timeoutSeconds);
break;
}
default:
break;
}
FileInfo info = new FileInfo(location);
info.Refresh();
if (info.Attributes.HasFlag(FileAttributes.ReadOnly))
{
metadata.IsReadOnly = true;
}
if (!options.HasFlag(MetadataFactory.ReadOptions.LEAVE_STREAM_OPENED_AFTER_READ))
{
metadata.close();
}
}
catch (Exception e)
{
metadata.MetadataReadError = e;
}
finally
{
mediaProbe.close();
mediaProbe.Dispose();
}
return(metadata);
}
/// <summary>
/// Initializes a new instance of the <see cref="Image"/> class.
/// </summary>
public Image()
{
Metadata = new ImageMetadata();
}
/// <inheritdoc cref="ComputeService.UpdateImageMetadataAsync" />
public static ImageMetadata UpdateImageMetadata(this ComputeService service, Identifier imageId, ImageMetadata metadata, bool overwrite = false)
{
return service.UpdateImageMetadataAsync(imageId, metadata, overwrite).ForceSynchronous();
}
