com.aspose.imaging.fileformats.wmf

Class WmfImage

java.lang.Object

com.aspose.imaging.DisposableObject

com.aspose.imaging.DataStreamSupporter

com.aspose.imaging.Image

com.aspose.imaging.VectorImage

com.aspose.imaging.fileformats.emf.MetaImage

com.aspose.imaging.fileformats.wmf.WmfImage

All Implemented Interfaces:

IObjectWithSizeF, IObjectWithBounds, com.aspose.internal.progressmanagement.IProgressEventHandler, com.aspose.internal.progressmanagement.IProgressInformer, com.aspose.ms.System.IDisposable, Closeable, AutoCloseable

public class WmfImage
extends MetaImage

The Wmf Image

Code example:

The following example shows how to convert a compressed images (*.emz,*.wmz, *.svgz) to raster format

String[] files = new String[]{ "example.emz", "example.wmz", "example.svgz" };
String baseFolder = "D:\\Compressed\\";
for(String file : files)
{
    String inputFile = (baseFolder + file);
    String outFile = inputFile + ".png";
    try (com.aspose.imaging.Image image = com.aspose.imaging.Image.load(inputFile))
    {
        final com.aspose.imaging.imageoptions.VectorRasterizationOptions vectorRasterizationOptions = 
                (com.aspose.imaging.imageoptions.VectorRasterizationOptions) image.getDefaultOptions(new Object[]{Color.getWhite(), image.getWidth(), image.getHeight()});
        image.save(outFile, new com.aspose.imaging.imageoptions.PngOptions()
        {{
            setVectorRasterizationOptions(vectorRasterizationOptions);
        }});
    }
}

Constructor Summary

Constructors

Constructor and Description
WmfImage() Initializes a new instance of the WmfImage class.
WmfImage(int width, int height) Initializes a new instance of the WmfImage class.

Method Summary

Modifier and Type	Method and Description
int	addRecord(WmfObject record) Adds the record.
void	cacheData() Caches the data and ensures no additional data loading will be performed from the underlying DataStreamSupporter.DataStreamContainer.
void	crop(Rectangle rectangle) Crops the specified rectangle.
int	getBitsPerPixel() Gets the image bits per pixel count.
ImageOptionsBase	getDefaultOptions(Object[] args) Gets the default options.
long	getFileFormat() Gets a value of file format
Rectangle	getFrameBounds() Gets the frame bounds.
int	getHeight() Gets the image height.
int	getInch() Gets or sets the inch.
String	getPostScript() Gets the post script.
String[]	getUsedFonts() Returns the list of font which used inside metafile.
int	getWidth() Gets the image width.
boolean	isCached() Gets a value indicating whether object's data is cached currently and no data reading is required.
void	resize(int newWidth, int newHeight, ImageResizeSettings settings) Resizes the image.
void	resize(int newWidth, int newHeight, int resizeType) Resizes the image.
void	resizeCanvas(Rectangle newRectangle) Resizes the canvas.
void	rotateFlip(int rotateFlipType) Rotates, flips, or rotates and flips the image.
void	setInch(int value) Gets or sets the inch.
void	setPalette(IColorPalette palette, boolean updateColors) Sets the image palette.

Methods inherited from class com.aspose.imaging.fileformats.emf.MetaImage

crop, getMissedFonts, getRecords, setRecords

Methods inherited from class com.aspose.imaging.VectorImage

getEmbeddedImages, getHeightF, getSizeF, getWidthF

Methods inherited from class com.aspose.imaging.Image

canLoad, canLoad, canLoad, canLoad, canSave, create, create, create, getBackgroundColor, getBounds, getBufferSizeHint, getContainer, getFileFormat, getFileFormat, getFittingRectangle, getFittingRectangle, getInterruptMonitor, getOriginalOptions, getPalette, getProgressEventHandler, getProgressEventHandlerInfo, getProportionalHeight, getProportionalWidth, getSize, hasBackgroundColor, isAutoAdjustPalette, isUsePalette, load, load, load, load, load, load, resize, resizeHeightProportionally, resizeHeightProportionally, resizeHeightProportionally, resizeWidthProportionally, resizeWidthProportionally, resizeWidthProportionally, save, save, save, save, save, save, save, save, setAutoAdjustPalette, setBackgroundColor, setBackgroundColor, setBufferSizeHint, setInterruptMonitor, setPalette

Methods inherited from class com.aspose.imaging.DataStreamSupporter

getDataStreamContainer, save, save, save

Methods inherited from class com.aspose.imaging.DisposableObject

close, dispose, getDisposed

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

WmfImage

public WmfImage()

Initializes a new instance of the WmfImage class.

WmfImage

public WmfImage(int width,
                int height)

Initializes a new instance of the WmfImage class.

Parameters:

width - The width.

height - The height.

Method Detail

isCached

public boolean isCached()

Gets a value indicating whether object's data is cached currently and no data reading is required.

Specified by:

isCached in class DataStreamSupporter

Returns:

a value indicating whether object's data is cached currently and no data reading is required.

Throws:

com.aspose.ms.System.NotImplementedException - Value: true if object's data is cached; otherwise, false.

getBitsPerPixel

public int getBitsPerPixel()

Gets the image bits per pixel count.

Specified by:

getBitsPerPixel in class Image

Returns:

The image bits per pixel count.

Throws:

com.aspose.ms.System.NotImplementedException - Value: The image bits per pixel count.

getWidth

public int getWidth()

Gets the image width.

Specified by:

getWidth in interface IObjectWithBounds

Overrides:

getWidth in class VectorImage

Returns:

the image width.

Throws:

com.aspose.ms.System.NotImplementedException - Value: The image width.

getHeight

public int getHeight()

Gets the image height.

Specified by:

getHeight in interface IObjectWithBounds

Overrides:

getHeight in class VectorImage

Returns:

the image height.

Throws:

com.aspose.ms.System.NotImplementedException - Value: The image height.

getInch

public int getInch()

Gets or sets the inch.

Value: The inch.

setInch

public void setInch(int value)

Gets or sets the inch.

Value: The inch.

getFileFormat

public long getFileFormat()

Gets a value of file format

Overrides:

getFileFormat in class Image

See Also:

FileFormat

getFrameBounds

public final Rectangle getFrameBounds()

Gets the frame bounds.

Value: The frame bounds.

Returns:

the frame bounds.

cacheData

public void cacheData()

Caches the data and ensures no additional data loading will be performed from the underlying DataStreamSupporter.DataStreamContainer.

Specified by:

cacheData in class DataStreamSupporter

Throws:

com.aspose.ms.System.NotImplementedException - this feature is not implemented

Code example:

This example shows how to load a WMF image from a file and list all of its records.

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

// Using Aspose.Imaging.Image.Load is a unified way to load all types of images including WMF.
com.aspose.imaging.fileformats.wmf.WmfImage wmfImage = (com.aspose.imaging.fileformats.wmf.WmfImage) com.aspose.imaging.Image.load(dir + "test.wmf");
try {
    // Cache data to load all records.
    wmfImage.cacheData();
    System.out.println("The total number of records: " + wmfImage.getRecords().size());

    // The key is a record type, the value is number of records of that type in the WMF image.
    java.util.HashMap<Class, Integer> types = new java.util.HashMap<>();

    // Gather statistics
    for (Object obj : wmfImage.getRecords()) {
        com.aspose.imaging.fileformats.wmf.objects.WmfObject wmfObj = (com.aspose.imaging.fileformats.wmf.objects.WmfObject) obj;

        Class objType = wmfObj.getClass();
        if (!types.containsKey(objType)) {
            types.put(objType, 1);
        } else {
            int n = types.get(objType);
            types.put(objType, n + 1);
        }
    }

    // Print statistics
    System.out.println("Record Type                              Count");
    System.out.println("----------------------------------------------");
    for (java.util.Map.Entry<Class, Integer> entry : types.entrySet()) {
        String objectType = entry.getKey().getSimpleName();
        int numberOfEntrances = entry.getValue();

        // Align output with spaces
        int alignmentPos = 40;
        char[] chars = new char[alignmentPos - objectType.length()];
        java.util.Arrays.fill(chars, ' ');
        String gap = new String(chars);

        System.out.println(objectType + ":" + gap + numberOfEntrances);
    }
} finally {
    wmfImage.dispose();
}

//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

resize

public void resize(int newWidth,
                   int newHeight,
                   int resizeType)

Resizes the image.

Specified by:

resize in class Image

Parameters:

newWidth - The new width.

newHeight - The new height.

resizeType - The resize type.

Throws:

com.aspose.ms.System.NotImplementedException - this feature is not implemented

Code example:

This example loads a WMF image and resizes it using various resizing methods.

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

com.aspose.imaging.fileformats.wmf.WmfImage image = (com.aspose.imaging.fileformats.wmf.WmfImage) com.aspose.imaging.Image.load(dir + "sample.wmf");
try {
    // Scale up by 2 times using Nearest Neighbour resampling.
    image.resize(image.getWidth() * 2, image.getHeight() * 2, com.aspose.imaging.ResizeType.NearestNeighbourResample);
} finally {
    image.dispose();
}

image = (com.aspose.imaging.fileformats.wmf.WmfImage) com.aspose.imaging.Image.load(dir + "sample.wmf");
try {
    // Scale down by 2 times using Nearest Neighbour resampling.
    image.resize(image.getWidth() / 2, image.getHeight() / 2, com.aspose.imaging.ResizeType.NearestNeighbourResample);
} finally {
    image.dispose();
}

image = (com.aspose.imaging.fileformats.wmf.WmfImage) com.aspose.imaging.Image.load(dir + "sample.wmf");
try {
    // Scale up by 2 times using Bilinear resampling.
    image.resize(image.getWidth() * 2, image.getHeight() * 2, com.aspose.imaging.ResizeType.BilinearResample);
} finally {
    image.dispose();
}

image = (com.aspose.imaging.fileformats.wmf.WmfImage) com.aspose.imaging.Image.load(dir + "sample.wmf");
try {
    // Scale down by 2 times using Bilinear resampling.
    image.resize(image.getWidth() / 2, image.getHeight() / 2, com.aspose.imaging.ResizeType.BilinearResample);
} finally {
    image.dispose();
}

resize

public void resize(int newWidth,
                   int newHeight,
                   ImageResizeSettings settings)

Resizes the image.

Specified by:

resize in class Image

Parameters:

newWidth - The new width.

newHeight - The new height.

settings - The resize settings.

Throws:

com.aspose.ms.System.NotImplementedException - this feature is not implemented

rotateFlip

public void rotateFlip(int rotateFlipType)

Rotates, flips, or rotates and flips the image.

Specified by:

rotateFlip in class Image

Parameters:

rotateFlipType - Type of the rotation and flipping.

Throws:

com.aspose.ms.System.NotImplementedException - this feature is not implemented

setPalette

public void setPalette(IColorPalette palette,
                       boolean updateColors)

Sets the image palette.

Specified by:

setPalette in class Image

Parameters:

palette - The palette to set.

updateColors - if set to true colors will be updated according to the new palette; otherwise color indexes remain unchanged. Note that unchanged indexes may crash the image on loading if some indexes have no corresponding palette entries.

Throws:

com.aspose.ms.System.NotImplementedException - this feature is not implemented

getUsedFonts

public String[] getUsedFonts()

Returns the list of font which used inside metafile.

Specified by:

getUsedFonts in class MetaImage

Returns:

The font list

getDefaultOptions

public ImageOptionsBase getDefaultOptions(Object[] args)

Gets the default options.

Overrides:

getDefaultOptions in class Image

Parameters:

args - The arguments.

Returns:

Default options

crop

public void crop(Rectangle rectangle)

Crops the specified rectangle.

Overrides:

crop in class MetaImage

Parameters:

rectangle - The rectangle.

resizeCanvas

public void resizeCanvas(Rectangle newRectangle)

Resizes the canvas.

Specified by:

resizeCanvas in class MetaImage

Parameters:

newRectangle - The new rectangle.

addRecord

public int addRecord(WmfObject record)

Adds the record.

Parameters:

record - The record.

Returns:

Number of record.

getPostScript

public final String getPostScript()

Gets the post script.

Returns:

The post script