Class MetaImage
Navne til: Aspose.Imaging.FileFormats.Emf Sammensætning: Aspose.Imaging.dll (25.4.0)
Grundlæggende klasse for Meta-objektklasser
[JsonObject(MemberSerialization.OptIn)]
public abstract class MetaImage : VectorImage, IDisposable, IObjectWithBounds, IObjectWithSizeFInheritance
object ← DisposableObject ← DataStreamSupporter ← Image ← VectorImage ← MetaImage
Derived
Implements
IDisposable , IObjectWithBounds , IObjectWithSizeF
De arvede medlemmer
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()
Initialiserer en ny instans af Aspose.Imaging.FileFormats.Emf.MetaImage.
public MetaImage()Properties
Records
Gør eller indsætter optegnelser.
public virtual MetaObjectList Records { get; set; }Ejendomsværdi
Examples
Dette eksempel viser, hvordan man lader et WMF-billede fra en fil og liste alle dens optegnelser.
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,>Dette eksempel viser, hvordan man lader et EMF-billede fra en fil og liste alle dens optegnelser.
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)
Den kan ikke gemme budskabet.
protected override string GetCanNotSaveMessage(ImageOptionsBase optionsBase)Parameters
optionsBase ImageOptionsBase
Billedmulighederne er.
Returns
Det kan ikke gemme budskabet.
GetMissedFonts()
Returnerer listen over bogstaver, der anvendes inde i metafilen, men ikke fundet.
public string[] GetMissedFonts()Returns
string []
Den skriftlige liste
Examples
Følgende eksempel viser, hvordan man skriver ud oplysninger om brugte og savnede bogstaver i WMF/EMF-billeder.
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 SERIFGetUsedFonts()
Returnerer listen over de bogstaver, der anvendes inde i metafilen.
public abstract string[] GetUsedFonts()Returns
string []
Den skriftlige liste
Examples
Følgende eksempel viser, hvordan man skriver ud oplysninger om brugte og savnede bogstaver i WMF/EMF-billeder.
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 SERIFResizeCanvas(Rectangle)
Gør kanvaserne tilbage.
public abstract void ResizeCanvas(Rectangle newRectangle)Parameters
newRectangle Rectangle
Den nye rektangle.
Examples
Følgende eksempel viser, hvordan man tilføjer en grænse med de angivne marginer omkring en metafil (WMF og EMF).
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)
Sparer dataene til angivet stream'.
protected override sealed void SaveData(Stream stream)Parameters
stream Stream
og strømmen.
