Class DjvuPage
Navne til: Aspose.Imaging.FileFormats.Djvu Sammensætning: Aspose.Imaging.dll (25.4.0)
Djvu side klasse
[JsonObject(MemberSerialization.OptIn)]
public class DjvuPage : RasterCachedImage, IDisposable, IObjectWithBounds, IRasterImageArgb32PixelLoader, IRasterImageRawDataLoader, IHasXmpData, IHasMetadata, INotifyPropertyChanged
Inheritance
object ← DisposableObject ← DataStreamSupporter ← Image ← RasterImage ← RasterCachedImage ← DjvuPage
Implements
IDisposable , IObjectWithBounds , IRasterImageArgb32PixelLoader , IRasterImageRawDataLoader , IHasXmpData , IHasMetadata , INotifyPropertyChanged
De arvede medlemmer
RasterCachedImage.CacheData() , RasterCachedImage.Blend(Point, RasterImage, Rectangle, byte) , RasterCachedImage.Resize(int, int, ResizeType) , RasterCachedImage.Resize(int, int, ImageResizeSettings) , RasterCachedImage.RotateFlip(RotateFlipType) , RasterCachedImage.Rotate(float, bool, Color) , RasterCachedImage.Crop(Rectangle) , RasterCachedImage.Dither(DitheringMethod, int, IColorPalette) , RasterCachedImage.Grayscale() , RasterCachedImage.NormalizeHistogram() , RasterCachedImage.BinarizeFixed(byte) , RasterCachedImage.BinarizeOtsu() , RasterCachedImage.BinarizeBradley(double, int) , RasterCachedImage.BinarizeBradley(double) , RasterCachedImage.AdjustBrightness(int) , RasterCachedImage.AdjustContrast(float) , RasterCachedImage.AdjustGamma(float, float, float) , RasterCachedImage.AdjustGamma(float) , RasterCachedImage.OnCached() , RasterCachedImage.OnPaletteChanged(IColorPalette, IColorPalette) , RasterCachedImage.IsCached , RasterImage.xmpData , RasterImage.RemoveMetadata() , RasterImage.Save(Stream, ImageOptionsBase, Rectangle) , RasterImage.GetModifyDate(bool) , RasterImage.Dither(DitheringMethod, int) , RasterImage.Dither(DitheringMethod, int, IColorPalette) , RasterImage.GetDefaultPixels(Rectangle, IPartialArgb32PixelLoader) , RasterImage.GetDefaultRawData(Rectangle, IPartialRawDataLoader, RawDataSettings) , RasterImage.GetDefaultArgb32Pixels(Rectangle) , RasterImage.GetDefaultRawData(Rectangle, RawDataSettings) , RasterImage.GetArgb32Pixel(int, int) , RasterImage.GetPixel(int, int) , RasterImage.SetArgb32Pixel(int, int, int) , RasterImage.SetPixel(int, int, Color) , RasterImage.ReadScanLine(int) , RasterImage.ReadArgb32ScanLine(int) , RasterImage.WriteScanLine(int, Color[]) , RasterImage.WriteArgb32ScanLine(int, int[]) , RasterImage.LoadPartialArgb32Pixels(Rectangle, IPartialArgb32PixelLoader) , RasterImage.LoadPartialPixels(Rectangle, IPartialPixelLoader) , RasterImage.LoadArgb32Pixels(Rectangle) , RasterImage.LoadArgb64Pixels(Rectangle) , RasterImage.LoadPartialArgb64Pixels(Rectangle, IPartialArgb64PixelLoader) , RasterImage.LoadPixels(Rectangle) , RasterImage.LoadCmykPixels(Rectangle) , RasterImage.LoadCmyk32Pixels(Rectangle) , RasterImage.LoadRawData(Rectangle, RawDataSettings, IPartialRawDataLoader) , RasterImage.LoadRawData(Rectangle, Rectangle, RawDataSettings, IPartialRawDataLoader) , RasterImage.SaveRawData(byte[], int, Rectangle, RawDataSettings) , RasterImage.SaveArgb32Pixels(Rectangle, int[]) , RasterImage.SavePixels(Rectangle, Color[]) , RasterImage.SaveCmykPixels(Rectangle, CmykColor[]) , RasterImage.SaveCmyk32Pixels(Rectangle, int[]) , RasterImage.SetResolution(double, double) , RasterImage.SetPalette(IColorPalette, bool) , RasterImage.Resize(int, int, ImageResizeSettings) , RasterImage.Rotate(float, bool, Color) , RasterImage.Rotate(float) , RasterImage.BinarizeFixed(byte) , RasterImage.BinarizeOtsu() , RasterImage.BinarizeBradley(double) , RasterImage.BinarizeBradley(double, int) , RasterImage.Blend(Point, RasterImage, Rectangle, byte) , RasterImage.Blend(Point, RasterImage, byte) , RasterImage.Grayscale() , RasterImage.NormalizeHistogram() , RasterImage.AdjustBrightness(int) , RasterImage.AdjustContrast(float) , RasterImage.AdjustGamma(float, float, float) , RasterImage.AdjustGamma(float) , RasterImage.GetSkewAngle() , RasterImage.NormalizeAngle() , RasterImage.NormalizeAngle(bool, Color) , RasterImage.Filter(Rectangle, FilterOptionsBase) , RasterImage.ReplaceColor(Color, byte, Color) , RasterImage.ReplaceColor(int, byte, int) , RasterImage.ReplaceNonTransparentColors(Color) , RasterImage.ReplaceNonTransparentColors(int) , RasterImage.ToBitmap() , RasterImage.ReleaseManagedResources() , RasterImage.UpdateMetadata() , RasterImage.UpdateDimensions(int, int) , RasterImage.PremultiplyComponents , RasterImage.UseRawData , RasterImage.UpdateXmpData , RasterImage.XmpData , RasterImage.RawIndexedColorConverter , RasterImage.RawCustomColorConverter , RasterImage.RawFallbackIndex , RasterImage.RawDataSettings , RasterImage.UsePalette , RasterImage.RawDataFormat , RasterImage.RawLineSize , RasterImage.IsRawDataAvailable , RasterImage.HorizontalResolution , RasterImage.VerticalResolution , RasterImage.HasTransparentColor , RasterImage.HasAlpha , RasterImage.TransparentColor , RasterImage.ImageOpacity , RasterImage.DataLoader , Image.CanLoad(string) , Image.CanLoad(string, LoadOptions) , Image.CanLoad(Stream) , Image.CanLoad(Stream, LoadOptions) , Image.Create(ImageOptionsBase, int, int) , Image.Create(Image[]) , Image.Create(MultipageCreateOptions) , Image.Create(string[], bool) , Image.Create(string[]) , Image.Create(Image[], bool) , Image.GetFileFormat(string) , Image.GetFileFormat(Stream) , Image.GetFittingRectangle(Rectangle, int, int) , Image.GetFittingRectangle(Rectangle, int[], int, int) , Image.Load(string, LoadOptions) , Image.Load(string) , Image.Load(Stream, LoadOptions) , Image.Load(Stream) , Image.GetProportionalWidth(int, int, int) , Image.GetProportionalHeight(int, int, int) , Image.RemoveMetadata() , Image.CanSave(ImageOptionsBase) , Image.Resize(int, int) , Image.Resize(int, int, ResizeType) , Image.Resize(int, int, ImageResizeSettings) , Image.GetDefaultOptions(object[]) , Image.GetOriginalOptions() , Image.ResizeWidthProportionally(int) , Image.ResizeHeightProportionally(int) , Image.ResizeWidthProportionally(int, ResizeType) , Image.ResizeHeightProportionally(int, ResizeType) , Image.ResizeWidthProportionally(int, ImageResizeSettings) , Image.ResizeHeightProportionally(int, ImageResizeSettings) , Image.RotateFlip(RotateFlipType) , Image.Rotate(float) , Image.Crop(Rectangle) , Image.Crop(int, int, int, int) , Image.Save() , Image.Save(string) , Image.Save(string, ImageOptionsBase) , Image.Save(string, ImageOptionsBase, Rectangle) , Image.Save(Stream, ImageOptionsBase) , Image.Save(Stream, ImageOptionsBase, Rectangle) , Image.GetSerializedStream(ImageOptionsBase, Rectangle, out int) , Image.SetPalette(IColorPalette, bool) , Image.UpdateContainer(Image) , Image.GetCanNotSaveMessage(ImageOptionsBase) , Image.GetFitRectangle(Rectangle) , Image.GetImage2Export(ImageOptionsBase, Rectangle, IImageExporter) , Image.GetFitRectangle(Rectangle, int[]) , Image.OnPaletteChanged(IColorPalette, IColorPalette) , Image.OnPaletteChanging(IColorPalette, IColorPalette) , Image.ReleaseManagedResources() , Image.BitsPerPixel , Image.Bounds , Image.Container , Image.Height , Image.Palette , Image.UsePalette , Image.Size , Image.Width , Image.InterruptMonitor , Image.BufferSizeHint , Image.AutoAdjustPalette , Image.HasBackgroundColor , Image.FileFormat , Image.BackgroundColor , DataStreamSupporter.timeout , DataStreamSupporter.CacheData() , DataStreamSupporter.Save() , DataStreamSupporter.Save(Stream) , DataStreamSupporter.Save(string) , DataStreamSupporter.Save(string, bool) , DataStreamSupporter.SaveData(Stream) , DataStreamSupporter.ReleaseManagedResources() , DataStreamSupporter.OnDataStreamContainerChanging(StreamContainer) , DataStreamSupporter.DataStreamContainer , DataStreamSupporter.IsCached , DisposableObject.Dispose() , DisposableObject.ReleaseManagedResources() , DisposableObject.ReleaseUnmanagedResources() , DisposableObject.VerifyNotDisposed() , DisposableObject.Disposed , object.GetType() , object.MemberwiseClone() , object.ToString() , object.Equals(object?) , object.Equals(object?, object?) , object.ReferenceEquals(object?, object?) , object.GetHashCode()
Properties
BitsPerPixel
Få billedbits per pixel count.
public override int BitsPerPixel { get; }
Ejendomsværdi
Height
Gør sidens højde
public override int Height { get; }
Ejendomsværdi
Image
Gør billedet.
public DjvuRaster Image { get; }
Ejendomsværdi
IsColor
Det får en værdi, der angiver, om denne instans er farve.
public bool IsColor { get; }
Ejendomsværdi
PageNumber
Få nummeret på siden.
public int PageNumber { get; }
Ejendomsværdi
Examples
Dette eksempel viser, hvordan man lader et DJVU-billede fra en filstrøm og trykker oplysninger om siderne.
string dir = "c:\\temp\\";
// Load a DJVU image from a file stream.
using (System.IO.Stream stream = System.IO.File.OpenRead(dir + "sample.djvu"))
{
using (Aspose.Imaging.FileFormats.Djvu.DjvuImage djvuImage = new Aspose.Imaging.FileFormats.Djvu.DjvuImage(stream))
{
System.Console.WriteLine("The total number of pages: {0}", djvuImage.Pages.Length);
System.Console.WriteLine("The active page number: {0}", djvuImage.ActivePage.PageNumber);
System.Console.WriteLine("The first page number: {0}", djvuImage.FirstPage.PageNumber);
System.Console.WriteLine("The last page number: {0}", djvuImage.LastPage.PageNumber);
foreach (Aspose.Imaging.FileFormats.Djvu.DjvuPage djvuPage in djvuImage.Pages)
{
System.Console.WriteLine("--------------------------------------------------");
System.Console.WriteLine("Page number: {0}", djvuPage.PageNumber);
System.Console.WriteLine("Page size: {0}", djvuPage.Size);
System.Console.WriteLine("Page raw format: {0}", djvuPage.RawDataFormat);
}
}
}
//The output may look like this:
//The total number of pages: 2
//The active page number: 1
//The first page number: 1
//The last page number: 2
//--------------------------------------------------
//Page number: 1
//Page size: { Width = 2481, Height = 3508}
//Page raw format: RgbIndexed1Bpp, used channels: 1
//--------------------------------------------------
//Page number: 2
//Page size: { Width = 2481, Height = 3508}
//Page raw format: RgbIndexed1Bpp, used channels: 1
ParentImage
Får den forældres billede, som siden tilhører
public DjvuImage ParentImage { get; }
Ejendomsværdi
ThumbnailImage
Få eller indstille det miniatyrbillede for siden
public DjvuRaster ThumbnailImage { get; set; }
Ejendomsværdi
Width
Få bredden af siden
public override int Width { get; }
Ejendomsværdi
Methods
ExtractThumbnailImage()
Udveksler det lille billede fra Djvu-siden.
public DjvuRaster ExtractThumbnailImage()
Returns
Billedet af Djvu raster.
GetBackgroundImage()
Få baggrundsbilledet.
public DjvuRaster GetBackgroundImage()
Returns
Den bitmap
GetForegroundImage(Int)
Få det foregroundbillede for siden
public DjvuRaster GetForegroundImage(int subsample = 1)
Parameters
subsample
int
Det underliggende.
Returns
Bitmap billede
GetTextForLocation(Rectangle)
Få teksten til rektangulær placering
public string GetTextForLocation(Rectangle rect)
Parameters
rect
Rectangle
placeringen i retning.
Returns
Tekst fundet på placering
GetTextImage(Int)
Gør tekstbilledet.
public DjvuRaster GetTextImage(int subsample = 1)
Parameters
subsample
int
Det underliggende.
Returns
Den bitmap
ReleaseManagedResources()
Sørg for, at der ikke frigives uadministrerede ressourcer her, da de måske allerede er blevet frigivet.
protected override void ReleaseManagedResources()
SaveData(Stream)
Sparer de data.
protected override void SaveData(Stream stream)
Parameters
stream
Stream
Strømmen til at gemme data til.
Exceptions
UpdateDimensions(Det er int)
Opdaterer billeddimensionerne.
protected override void UpdateDimensions(int newWidth, int newHeight)
Parameters
newWidth
int
Den nye billedvidde.
newHeight
int
Den nye billed højde.
Exceptions
PageExportedAction
Det sker, når [side eksporteret handling].
public static event OnPageExportedAction PageExportedAction
Event Type
PropertyChanged
Det sker, når en ejendomsværdi ændres.
public event PropertyChangedEventHandler PropertyChanged