Class MetaImage

Class MetaImage

Der Name: Aspose.Imaging.FileFormats.Emf Versammlung: Aspose.Imaging.dll (25.4.0)

Basisklasse für Meta-Objektklassen

[JsonObject(MemberSerialization.OptIn)]
public abstract class MetaImage : VectorImage, IDisposable, IObjectWithBounds, IObjectWithSizeF

Inheritance

object DisposableObject DataStreamSupporter Image VectorImage MetaImage

Derived

EmfImage , WmfImage

Implements

IDisposable , IObjectWithBounds , IObjectWithSizeF

Vererbte Mitglieder

VectorImage.GetEmbeddedImages() , VectorImage.RemoveBackground() , VectorImage.RemoveBackground(RemoveBackgroundSettings) , VectorImage.Resize(int, int, ResizeType) , VectorImage.Resize(int, int, ImageResizeSettings) , VectorImage.RotateFlip(RotateFlipType) , VectorImage.Crop(Rectangle) , VectorImage.Rotate(float) , VectorImage.Modify(RectangleF, float, float, float) , VectorImage.SizeF , VectorImage.WidthF , VectorImage.HeightF , VectorImage.Width , VectorImage.Height , 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()

Constructors

MetaImage()

Initialisiert eine neue Instanz des Aspose.Imaging.FileFormats.Emf.MetaImage.

public MetaImage()

Properties

Records

Sie erhalten oder setzen die Aufzeichnungen.

public virtual MetaObjectList Records { get; set; }

Eigentumswert

MetaObjectList

Examples

Dieses Beispiel zeigt, wie man ein WMF-Bild aus einem Datei laden und alle seine Aufzeichnungen auflistet.

string dir = "c:\\temp\\";

                                                                                              // Using Aspose.Imaging.Image.Load is a unified way to load all types of images including WMF.
                                                                                              using (Aspose.Imaging.FileFormats.Wmf.WmfImage wmfImage = (Aspose.Imaging.FileFormats.Wmf.WmfImage)Aspose.Imaging.Image.Load(dir + "test.wmf"))
                                                                                              {
                                                                                                  // Cache data to load all records.
                                                                                                  wmfImage.CacheData();
                                                                                                  System.Console.WriteLine("The total number of records: {0}", wmfImage.Records.Count);

                                                                                                  // The key is a record type, the value is number of records of that type in the WMF image.
                                                                                                  System.Collections.Generic.Dictionary<system.type, int=""> types =
                                                                                                      new System.Collections.Generic.Dictionary<system.type, int="">();

                                                                                                  // Gather statistics 
                                                                                                  foreach (Aspose.Imaging.FileFormats.Wmf.Objects.WmfObject obj in wmfImage.Records)
                                                                                                  {
                                                                                                      System.Type objType = obj.GetType();
                                                                                                      if (!types.ContainsKey(objType))
                                                                                                      {
                                                                                                          types.Add(objType, 1);
                                                                                                      }
                                                                                                      else
                                                                                                      {
                                                                                                          types[objType]++;
                                                                                                      }
                                                                                                  }

                                                                                                  // Print statistics
                                                                                                  System.Console.WriteLine("Record Type                              Count");
                                                                                                  System.Console.WriteLine("----------------------------------------------");
                                                                                                  foreach (System.Collections.Generic.KeyValuePair<system.type, int=""> entry in types)
                                                                                                  {
                                                                                                      string objectType = entry.Key.Name;
                                                                                                      string alignmentGap = new string(' ', 40 - objectType.Length);
                                                                                                      System.Console.WriteLine("{0}:{1}{2}", entry.Key.Name, alignmentGap, entry.Value);
                                                                                                  }
                                                                                              }

                                                                                              //The output may look like this:
                                                                                              //The total number of records: 613
                                                                                              //Record Type                              Count
                                                                                              //----------------------------------------------
                                                                                              //WmfSetBkMode:                            1
                                                                                              //WmfSetTextAlign:                         1
                                                                                              //WmfSetRop2:                              1
                                                                                              //WmfSetWindowOrg:                         1
                                                                                              //WmfSetWindowExt:                         1
                                                                                              //WmfCreateBrushInDirect:                  119
                                                                                              //WmfSelectObject:                         240
                                                                                              //WmfCreatePenInDirect:                    119
                                                                                              //WmfSetPolyFillMode:                      1
                                                                                              //WmfPolyPolygon:                          114
                                                                                              //WmfPolyLine:                             7
                                                                                              //WmfSetTextColor:                         2
                                                                                              //WmfCreateFontInDirect:                   2
                                                                                              //WmfExtTextOut:                           2
                                                                                              //WmfDibStrechBlt:                         1
                                                                                              //WmfEof:                                  1</system.type,></system.type,></system.type,>

Dieses Beispiel zeigt, wie man ein EMF-Bild aus einem Datei laden und alle seine Aufzeichnungen auflistet.

string dir = "c:\\temp\\";

                                                                                              // Using Aspose.Imaging.Image.Load is a unified way to load all types of images including WMF.
                                                                                              using (Aspose.Imaging.FileFormats.Emf.EmfImage emfImage = (Aspose.Imaging.FileFormats.Emf.EmfImage)Aspose.Imaging.Image.Load(dir + "test.emf"))
                                                                                              {
                                                                                                  // Cache data to load all records.
                                                                                                  emfImage.CacheData();
                                                                                                  System.Console.WriteLine("The total number of records: {0}", emfImage.Records.Count);

                                                                                                  // The key is a record type, the value is number of records of that type in the WMF image.
                                                                                                  System.Collections.Generic.Dictionary<system.type, int=""> types =
                                                                                                      new System.Collections.Generic.Dictionary<system.type, int="">();

                                                                                                  // Gather statistics 
                                                                                                  foreach (Aspose.Imaging.FileFormats.Emf.Emf.Records.EmfRecord obj in emfImage.Records)
                                                                                                  {
                                                                                                      System.Type objType = obj.GetType();
                                                                                                      if (!types.ContainsKey(objType))
                                                                                                      {
                                                                                                          types.Add(objType, 1);
                                                                                                      }
                                                                                                      else
                                                                                                      {
                                                                                                          types[objType]++;
                                                                                                      }
                                                                                                  }

                                                                                                  // Print statistics
                                                                                                  System.Console.WriteLine("Record Type                              Count");
                                                                                                  System.Console.WriteLine("----------------------------------------------");
                                                                                                  foreach (System.Collections.Generic.KeyValuePair<system.type, int=""> entry in types)
                                                                                                  {
                                                                                                      string objectType = entry.Key.Name;
                                                                                                      string alignmentGap = new string(' ', 40 - objectType.Length);
                                                                                                      System.Console.WriteLine("{0}:{1}{2}", entry.Key.Name, alignmentGap, entry.Value);
                                                                                                  }
                                                                                              }

                                                                                              //The output may look like this:
                                                                                              //The total number of records: 1188
                                                                                              //Record Type                              Count
                                                                                              //----------------------------------------------
                                                                                              //EmfMetafileHeader:                       1
                                                                                              //EmfSetBkMode:                            1
                                                                                              //EmfSetTextAlign:                         1
                                                                                              //EmfSetRop2:                              1
                                                                                              //EmfSetWorldTransform:                    1
                                                                                              //EmfExtSelectClipRgn:                     1
                                                                                              //EmfCreateBrushIndirect:                  113
                                                                                              //EmfSelectObject:                         240
                                                                                              //EmfCreatePen:                            116
                                                                                              //EmfSetPolyFillMode:                      1
                                                                                              //EmfBeginPath:                            120
                                                                                              //EmfMoveToEx:                             122
                                                                                              //EmfPolyBezierTo16:                       36
                                                                                              //EmfLineTo:                               172
                                                                                              //EmfCloseFigure:                          14
                                                                                              //EmfEndPath:                              120
                                                                                              //EmfStrokeAndFillPath:                    113
                                                                                              //EmfStrokePath:                           7
                                                                                              //EmfSetTextColor:                         2
                                                                                              //EmfExtCreateFontIndirectW:               2
                                                                                              //EmfExtTextOutW:                          2
                                                                                              //EmfStretchBlt:                           1
                                                                                              //EmfEof:                                  1</system.type,></system.type,></system.type,>

Methods

GetCanNotSaveMessage(ImageOptionsBase)

Sie können die Nachricht nicht speichern.

protected override string GetCanNotSaveMessage(ImageOptionsBase optionsBase)

Parameters

optionsBase ImageOptionsBase

Die Optionen des Bildes.

Returns

string

Sie können keine Nachricht speichern.

GetMissedFonts()

Wiederherstellt die Liste der Buchstaben, die innerhalb des Metaphils verwendet wurden, aber nicht gefunden wurden.

public string[] GetMissedFonts()

Returns

string [][]

Die Fontliste

Examples

Das folgende Beispiel zeigt, wie Sie Informationen über verwendete und vermischte Schriften in WMF/EMF-Bilder drucken können.

string dir = "c:\\aspose.imaging\\net\\issues\\3544";

                                                                                                              // To make all fonts unaccessable
                                                                                                              string[] fontDirectories = Aspose.Imaging.FontSettings.GetFontsFolders();
                                                                                                              Aspose.Imaging.FontSettings.SetFontsFolder("empty");
                                                                                                              string[] files = new string[]
                                                                                                              {
                                                                                                                  "TestWmfText.wmf",
                                                                                                                  "TestEmfFonts.emf",
                                                                                                                  "TestEmfPlusFonts.emf",
                                                                                                              };

                                                                                                              try
                                                                                                              {
                                                                                                                  foreach (string file in files)
                                                                                                                  {
                                                                                                                      System.Console.WriteLine("========== {0} ==========", file);
                                                                                                                      using (Aspose.Imaging.FileFormats.Emf.MetaImage image = (Aspose.Imaging.FileFormats.Emf.MetaImage)Aspose.Imaging.Image.Load(System.IO.Path.Combine(dir, file)))
                                                                                                                      {
                                                                                                                          string[] used = image.GetUsedFonts();
                                                                                                                          foreach (string it in used)
                                                                                                                          {
                                                                                                                              System.Console.WriteLine("Used font: " + it);
                                                                                                                          }

                                                                                                                          string[] missed = image.GetMissedFonts();
                                                                                                                          foreach (string it in missed)
                                                                                                                          {
                                                                                                                              System.Console.WriteLine("Missed font: " + it);
                                                                                                                          }

                                                                                                                          int ui = 0, mi = 0;
                                                                                                                          foreach (string it in used)
                                                                                                                          {
                                                                                                                              if (it.Contains("Times"))
                                                                                                                              {
                                                                                                                                  ui++;
                                                                                                                                  continue;
                                                                                                                              }

                                                                                                                              if (used[ui] != missed[mi])
                                                                                                                              {
                                                                                                                                  throw new System.Exception("Font lists must be equal!");
                                                                                                                              }

                                                                                                                              ui++; mi++;
                                                                                                                          }
                                                                                                                      }
                                                                                                                  }
                                                                                                              }
                                                                                                              finally
                                                                                                              {
                                                                                                                  Aspose.Imaging.FontSettings.SetFontsFolders(fontDirectories, true);
                                                                                                              }

                                                                                                              // The STDOUT log may look like this:
                                                                                                              //========== TestWmfText.wmf ==========
                                                                                                              //Used font: Garamond
                                                                                                              //Used font: Arial
                                                                                                              //Used font: Bookman Old Style
                                                                                                              //Used font: Comic Sans MS
                                                                                                              //Used font: Courier
                                                                                                              //Used font: Courier New
                                                                                                              //Used font: Impact
                                                                                                              //Used font: Modern
                                                                                                              //Used font: MS Sans Serif
                                                                                                              //Used font: MS Serif
                                                                                                              //Used font: Small Fonts
                                                                                                              //Used font: Symbol
                                                                                                              //Used font: Tahoma
                                                                                                              //Used font: Times New Roman
                                                                                                              //Used font: Verdana
                                                                                                              //Used font: Wingdings
                                                                                                              //Missed font: Garamond
                                                                                                              //Missed font: Arial
                                                                                                              //Missed font: Bookman Old Style
                                                                                                              //Missed font: Comic Sans MS
                                                                                                              //Missed font: Courier
                                                                                                              //Missed font: Courier New
                                                                                                              //Missed font: Impact
                                                                                                              //Missed font: Modern
                                                                                                              //Missed font: MS Sans Serif
                                                                                                              //Missed font: MS Serif
                                                                                                              //Missed font: Small Fonts
                                                                                                              //Missed font: Symbol
                                                                                                              //Missed font: Tahoma
                                                                                                              //Missed font: Verdana
                                                                                                              //Missed font: Wingdings
                                                                                                              //========== TestEmfFonts.emf ==========
                                                                                                              //Used font: Arial
                                                                                                              //Used font: Verdana
                                                                                                              //Used font: Times New Roman
                                                                                                              //Used font: Symbol
                                                                                                              //Missed font: Arial
                                                                                                              //Missed font: Verdana
                                                                                                              //Missed font: Symbol
                                                                                                              //========== TestEmfPlusFonts.emf ==========
                                                                                                              //Used font: MICROSOFT SANS SERIF
                                                                                                              //Missed font: MICROSOFT SANS SERIF

GetUsedFonts()

Wiederherstellt die Liste der Schrift, die innerhalb des Metaphils verwendet wurde.

public abstract string[] GetUsedFonts()

Returns

string [][]

Die Fontliste

Examples

Das folgende Beispiel zeigt, wie Sie Informationen über verwendete und vermischte Schriften in WMF/EMF-Bilder drucken können.

string dir = "c:\\aspose.imaging\\net\\issues\\3544";

                                                                                                              // To make all fonts unaccessable
                                                                                                              string[] fontDirectories = Aspose.Imaging.FontSettings.GetFontsFolders();
                                                                                                              Aspose.Imaging.FontSettings.SetFontsFolder("empty");
                                                                                                              string[] files = new string[]
                                                                                                              {
                                                                                                                  "TestWmfText.wmf",
                                                                                                                  "TestEmfFonts.emf",
                                                                                                                  "TestEmfPlusFonts.emf",
                                                                                                              };

                                                                                                              try
                                                                                                              {
                                                                                                                  foreach (string file in files)
                                                                                                                  {
                                                                                                                      System.Console.WriteLine("========== {0} ==========", file);
                                                                                                                      using (Aspose.Imaging.FileFormats.Emf.MetaImage image = (Aspose.Imaging.FileFormats.Emf.MetaImage)Aspose.Imaging.Image.Load(System.IO.Path.Combine(dir, file)))
                                                                                                                      {
                                                                                                                          string[] used = image.GetUsedFonts();
                                                                                                                          foreach (string it in used)
                                                                                                                          {
                                                                                                                              System.Console.WriteLine("Used font: " + it);
                                                                                                                          }

                                                                                                                          string[] missed = image.GetMissedFonts();
                                                                                                                          foreach (string it in missed)
                                                                                                                          {
                                                                                                                              System.Console.WriteLine("Missed font: " + it);
                                                                                                                          }

                                                                                                                          int ui = 0, mi = 0;
                                                                                                                          foreach (string it in used)
                                                                                                                          {
                                                                                                                              if (it.Contains("Times"))
                                                                                                                              {
                                                                                                                                  ui++;
                                                                                                                                  continue;
                                                                                                                              }

                                                                                                                              if (used[ui] != missed[mi])
                                                                                                                              {
                                                                                                                                  throw new System.Exception("Font lists must be equal!");
                                                                                                                              }

                                                                                                                              ui++; mi++;
                                                                                                                          }
                                                                                                                      }
                                                                                                                  }
                                                                                                              }
                                                                                                              finally
                                                                                                              {
                                                                                                                  Aspose.Imaging.FontSettings.SetFontsFolders(fontDirectories, true);
                                                                                                              }

                                                                                                              // The STDOUT log may look like this:
                                                                                                              //========== TestWmfText.wmf ==========
                                                                                                              //Used font: Garamond
                                                                                                              //Used font: Arial
                                                                                                              //Used font: Bookman Old Style
                                                                                                              //Used font: Comic Sans MS
                                                                                                              //Used font: Courier
                                                                                                              //Used font: Courier New
                                                                                                              //Used font: Impact
                                                                                                              //Used font: Modern
                                                                                                              //Used font: MS Sans Serif
                                                                                                              //Used font: MS Serif
                                                                                                              //Used font: Small Fonts
                                                                                                              //Used font: Symbol
                                                                                                              //Used font: Tahoma
                                                                                                              //Used font: Times New Roman
                                                                                                              //Used font: Verdana
                                                                                                              //Used font: Wingdings
                                                                                                              //Missed font: Garamond
                                                                                                              //Missed font: Arial
                                                                                                              //Missed font: Bookman Old Style
                                                                                                              //Missed font: Comic Sans MS
                                                                                                              //Missed font: Courier
                                                                                                              //Missed font: Courier New
                                                                                                              //Missed font: Impact
                                                                                                              //Missed font: Modern
                                                                                                              //Missed font: MS Sans Serif
                                                                                                              //Missed font: MS Serif
                                                                                                              //Missed font: Small Fonts
                                                                                                              //Missed font: Symbol
                                                                                                              //Missed font: Tahoma
                                                                                                              //Missed font: Verdana
                                                                                                              //Missed font: Wingdings
                                                                                                              //========== TestEmfFonts.emf ==========
                                                                                                              //Used font: Arial
                                                                                                              //Used font: Verdana
                                                                                                              //Used font: Times New Roman
                                                                                                              //Used font: Symbol
                                                                                                              //Missed font: Arial
                                                                                                              //Missed font: Verdana
                                                                                                              //Missed font: Symbol
                                                                                                              //========== TestEmfPlusFonts.emf ==========
                                                                                                              //Used font: MICROSOFT SANS SERIF
                                                                                                              //Missed font: MICROSOFT SANS SERIF

ResizeCanvas(Rectangle)

Rückschneiden Sie die Kanvas.

public abstract void ResizeCanvas(Rectangle newRectangle)

Parameters

newRectangle Rectangle

Der neue Rechteck.

Examples

Das folgende Beispiel zeigt, wie man eine Grenze mit den angegebenen Margen um einen Metaphil (WMF und EMF) hinzufügt).

int borderLeft = 50;
                                                                                                                      int borderTop = 50;
                                                                                                                      int borderRight = 50;
                                                                                                                      int borderBottom = 50;

                                                                                                                      string dir = "c:\\aspose.imaging\\issues\\net\\3280\\";
                                                                                                                      string[] fileNames = new[] { "image1.emf", "image2.wmf" };
                                                                                                                      foreach (string fileName in fileNames)
                                                                                                                      {
                                                                                                                          string inputFilePath = dir + fileName;
                                                                                                                          string outputFilePath = dir + "AddBorder_" + fileName;
                                                                                                                          using (Aspose.Imaging.FileFormats.Emf.MetaImage image = (Aspose.Imaging.FileFormats.Emf.MetaImage)Aspose.Imaging.Image.Load(inputFilePath))
                                                                                                                          {
                                                                                                                              image.ResizeCanvas(new Aspose.Imaging.Rectangle(-borderLeft, -borderTop, image.Width + borderLeft + borderRight, image.Height + borderTop + borderBottom));
                                                                                                                              image.Save(outputFilePath);
                                                                                                                          }
                                                                                                                      }

SaveData(Stream)

Speichert die Daten in den angegebenen stream'.

protected override sealed void SaveData(Stream stream)

Parameters

stream Stream

Der Strom.

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