Class DjvuPage

Class DjvuPage

Nazwa przestrzeń: Aspose.Imaging.FileFormats.Djvu Zgromadzenie: Aspose.Imaging.dll (25.4.0)

Klasa strony Djvu

[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

Dziedziczeni członkowie

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

Otrzymuje bity obrazu na liczbę pikseli.

public override int BitsPerPixel { get; }

Wartość nieruchomości

int

Height

Dostaje wysokość strony

public override int Height { get; }

Wartość nieruchomości

int

Image

Otrzymuje obraz.

public DjvuRaster Image { get; }

Wartość nieruchomości

DjvuRaster

IsColor

Otrzymuje wartość wskazującą, czy ta instancja jest kolorem.

public bool IsColor { get; }

Wartość nieruchomości

bool

PageNumber

Otrzymaj numer strony.

public int PageNumber { get; }

Wartość nieruchomości

int

Examples

Ten przykład pokazuje, jak pobrać obraz DJVU z przepływu plików i wydrukować informacje o stronach.

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

Zdjęcie macierzyńskie, strona należąca do

public DjvuImage ParentImage { get; }

Wartość nieruchomości

DjvuImage

ThumbnailImage

Zdobądź lub ustaw obraz miniaturowy dla strony

public DjvuRaster ThumbnailImage { get; set; }

Wartość nieruchomości

DjvuRaster

Width

Dostaje szerokość strony

public override int Width { get; }

Wartość nieruchomości

int

Methods

ExtractThumbnailImage()

Wyciągnij obraz miniaturowy z strony Djvu.

public DjvuRaster ExtractThumbnailImage()

Returns

DjvuRaster

Zdjęcie Djvu raster.

GetBackgroundImage()

Otrzymuje obraz tła.

public DjvuRaster GetBackgroundImage()

Returns

DjvuRaster

Bitmap

GetForegroundImage(Int)

Otrzymuje wstępny obraz strony

public DjvuRaster GetForegroundImage(int subsample = 1)

Parameters

subsample int

To jest podsample.

Returns

DjvuRaster

Zdjęcie Bitmap

GetTextForLocation(Rectangle)

Otrzymuje tekst dla lokalizacji rektangularnej

public string GetTextForLocation(Rectangle rect)

Parameters

rect Rectangle

Lokalizacja w prawo.

Returns

string

Tekst znaleziony w lokalizacji

GetTextImage(Int)

Otrzymuje obraz tekstu.

public DjvuRaster GetTextImage(int subsample = 1)

Parameters

subsample int

To jest podsample.

Returns

DjvuRaster

Bitmap

ReleaseManagedResources()

Upewnij się, że nie zarządzane zasoby nie są tutaj uwalniane, ponieważ mogą być już uwalniane.

protected override void ReleaseManagedResources()

SaveData(Stream)

Oszczędzaj dane.

protected override void SaveData(Stream stream)

Parameters

stream Stream

Przepływ do przechowywania danych do.

Exceptions

NotImplementedException

UpdateDimensions(i int, int)

Aktualizacja wymiarów obrazu.

protected override void UpdateDimensions(int newWidth, int newHeight)

Parameters

newWidth int

Nowy widok obrazu.

newHeight int

Nowa wysokość obrazu.

Exceptions

NotImplementedException

PageExportedAction

Zdarza się, gdy [strona eksportowana akcja].

public static event OnPageExportedAction PageExportedAction

Rodzaj wydarzeń

OnPageExportedAction

PropertyChanged

Zdarza się, gdy wartość nieruchomości ulega zmianie.

public event PropertyChangedEventHandler PropertyChanged

Rodzaj wydarzeń

PropertyChangedEventHandler

 Polski