com.aspose.imaging.fileformats.cdr

Class CdrImage

java.lang.Object

com.aspose.imaging.DisposableObject

com.aspose.imaging.DataStreamSupporter

com.aspose.imaging.Image

com.aspose.imaging.VectorImage

com.aspose.imaging.VectorMultipageImage

com.aspose.imaging.fileformats.cdr.CdrImage

All Implemented Interfaces:

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

public class CdrImage
extends VectorMultipageImage
implements ICdrImage

The API for CorelDRAW CDR vector image format support is an essential toolkit for developers working with vector graphics. This API enables the seamless processing of CDR files, allowing for the storage and manipulation of diverse elements such as text, lines, shapes, images, colors, and effects. With its comprehensive capabilities, developers can efficiently work with vector representations of image contents, ensuring precision and flexibility in creating and editing CorelDRAW vector graphics programmatically.

See Also:

Image, ICdrImage, VectorMultipageImage

Code example:

The following example shows how to cache all pages of a CDR image.

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

// Load an image from a CDR file.
com.aspose.imaging.fileformats.cdr.CdrImage image = (com.aspose.imaging.fileformats.cdr.CdrImage) com.aspose.imaging.Image.load(dir + "sample.cdr");
try {
    // This call caches only the default page.
    image.cacheData();

    // Cache all pages so that no additional data loading will be performed from the underlying data stream.
    for (com.aspose.imaging.fileformats.cdr.CdrImagePage page : image.getPages()) {
        page.cacheData();
    }
} finally {
    image.dispose();
}

Constructor Summary

Constructors

Constructor and Description
CdrImage(InputStream stream, LoadOptions loadOptions) Start working with the CdrImage class effortlessly by initializing a new instance with a stream and loadOptions parameters.
CdrImage(com.aspose.ms.System.IO.Stream stream, LoadOptions loadOptions)

Method Summary

Modifier and Type	Method and Description
void	cacheData() Effortlessly cache the data to prevent additional loading from the underlying source with this user-friendly method.
int	getBitsPerPixel() Retrieve the bit depth of the image effortlessly with this user-friendly property.
CdrDocument	getCdrDocument() Effortlessly retrieve or update the CDR document using this intuitive property.
Image	getDefaultPage() Deprecated. Please use getPages()[index]
long	getFileFormat() Retrieve the file format of the image effortlessly with this intuitive property.
int	getHeight() Gets the image height.
int	getPageCount() Effortlessly retrieve or update the total page count of the image with this intuitive property.
Image[]	getPages() Retrieve the pages of the image seamlessly with this intuitive property.
int	getWidth() Gets the image width.
boolean	isCached() Effortlessly determine whether the object's data is currently cached, eliminating the need for data reading.
void	setPalette(IColorPalette palette, boolean updateColors) Customize the color palette of the image with this intuitive method.

Methods inherited from class com.aspose.imaging.VectorMultipageImage

crop, getEmbeddedImages, getPageExportingAction, removeBackground, removeBackground, resize, resize, rotate, rotateFlip, setPageExportingAction

Methods inherited from class com.aspose.imaging.VectorImage

getDefaultOptions, getHeightF, getSizeF, getWidthF

Methods inherited from class com.aspose.imaging.Image

canLoad, canLoad, canLoad, canLoad, canSave, create, create, create, create, create, create, crop, getBackgroundColor, getBounds, getBufferSizeHint, getContainer, getFileFormat, getFileFormat, getFittingRectangle, getFittingRectangle, getInterruptMonitor, getIProgressEventHandler, getOriginalOptions, getPalette, getProgressEventHandlerInfo, getProportionalHeight, getProportionalWidth, getSerializedStream, getSize, hasBackgroundColor, isAutoAdjustPalette, isUsePalette, load, load, load, load, load, load, removeMetadata, 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

CdrImage

public CdrImage(InputStream stream,
                LoadOptions loadOptions)

Start working with the CdrImage class effortlessly by initializing a new instance with a stream and loadOptions parameters. Ideal for developers seeking a convenient way to load CDR images from various data sources while customizing the loading process as needed.

Parameters:

stream - The stream.

loadOptions - The load options.

Throws:

com.aspose.ms.System.IndexOutOfRangeException - CDR document contains no pages.

CdrImage

public CdrImage(com.aspose.ms.System.IO.Stream stream,
                LoadOptions loadOptions)

Method Detail

getDefaultPage

@Deprecated
public Image getDefaultPage()

Deprecated. Please use getPages()[index]

Retrieve the default page of the image with ease using this user-friendly property. Perfect for developers seeking quick access to the primary page of their image, ensuring efficient navigation and management.

Specified by:

getDefaultPage in class VectorMultipageImage

Returns:

the default page.

isCached

public boolean isCached()

Effortlessly determine whether the object's data is currently cached, eliminating the need for data reading. Ideal for developers seeking to optimize performance by leveraging cached data efficiently, ensuring faster access to object information.

Overrides:

isCached in class VectorMultipageImage

Returns:

true if object's data is cached; otherwise, false.

getBitsPerPixel

public int getBitsPerPixel()

Retrieve the bit depth of the image effortlessly with this user-friendly property. Ideal for developers seeking to determine the level of detail or color depth present in their images, ensuring accurate processing and manipulation.

Overrides:

getBitsPerPixel in class VectorMultipageImage

Returns:

The image bits per pixel count.

getPageCount

public final int getPageCount()

Effortlessly retrieve or update the total page count of the image with this intuitive property. Ideal for developers seeking to manage multipage images dynamically, ensuring efficient navigation and manipulation of image content.

Specified by:

getPageCount in interface IMultipageImage

Returns:

the page count.

getPages

public final Image[] getPages()

Retrieve the pages of the image seamlessly with this intuitive property. Ideal for developers seeking to access and manipulate individual pages within multipage images, ensuring efficient navigation and processing.

Specified by:

getPages in interface IMultipageImage

Returns:

the pages.

Code example:

The following example shows how to export a single page of CDR document to PDF.

int pageNumber = 0;
String dir = "c:\\aspose.imaging\\java\\issues\\1445'\\";
String inputCdrFileName = dir + "tiger.cdr";
String outputPdfFileName = dir + "tiger.cdr.page" + pageNumber + ".pdf";

com.aspose.imaging.fileformats.cdr.CdrImage image = (com.aspose.imaging.fileformats.cdr.CdrImage) com.aspose.imaging.Image.load(inputCdrFileName);
try {
    com.aspose.imaging.Image imagePage = image.getPages()[pageNumber];

    com.aspose.imaging.imageoptions.PdfOptions pdfOptions = new com.aspose.imaging.imageoptions.PdfOptions();
    com.aspose.imaging.imageoptions.CdrRasterizationOptions rasterizationOptions = new com.aspose.imaging.imageoptions.CdrRasterizationOptions();
    rasterizationOptions.setTextRenderingHint(com.aspose.imaging.TextRenderingHint.SingleBitPerPixel);
    rasterizationOptions.setSmoothingMode(com.aspose.imaging.SmoothingMode.None);
    rasterizationOptions.setPageWidth(image.getWidth());
    rasterizationOptions.setPageHeight(image.getHeight());

    pdfOptions.setVectorRasterizationOptions(rasterizationOptions);

    imagePage.save(outputPdfFileName, pdfOptions);
}
finally {
    image.close();
}

getCdrDocument

public final CdrDocument getCdrDocument()

Effortlessly retrieve or update the CDR document using this intuitive property. Ideal for developers seeking to access or modify the CDR document, ensuring flexibility and efficiency in their applications.

Specified by:

getCdrDocument in interface ICdrImage

Returns:

the CDR document.

getFileFormat

public long getFileFormat()

Retrieve the file format of the image effortlessly with this intuitive property. Ideal for developers seeking to determine the format of their images dynamically, ensuring compatibility and accurate processing in their applications.

Overrides:

getFileFormat in class Image

See Also:

FileFormat

getWidth

public int getWidth()

Gets the image width.

Value: The image width.

Specified by:

getWidth in interface IObjectWithBounds

Overrides:

getWidth in class VectorMultipageImage

Returns:

the image width.

getHeight

public int getHeight()

Gets the image height.

Value: The image height.

Specified by:

getHeight in interface IObjectWithBounds

Overrides:

getHeight in class VectorMultipageImage

Returns:

the image height.

cacheData

public void cacheData()

Effortlessly cache the data to prevent additional loading from the underlying source with this user-friendly method. Ideal for developers seeking to optimize performance by preloading data, ensuring faster access and smoother operation in their applications. DataStreamSupporter.DataStreamContainer(DataStreamSupporter.getDataStreamContainer()/DataStreamSupporter.setDataStreamContainer_internalized(StreamContainer)).

Overrides:

cacheData in class VectorMultipageImage

Code example:

The following example shows how to cache all pages of a CDR image.

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

// Load an image from a CDR file.
com.aspose.imaging.fileformats.cdr.CdrImage image = (com.aspose.imaging.fileformats.cdr.CdrImage) com.aspose.imaging.Image.load(dir + "sample.cdr");
try {
    // This call caches only the default page.
    image.cacheData();

    // Cache all pages so that no additional data loading will be performed from the underlying data stream.
    for (com.aspose.imaging.fileformats.cdr.CdrImagePage page : image.getPages()) {
        page.cacheData();
    }
} finally {
    image.dispose();
}

setPalette

public void setPalette(IColorPalette palette,
                       boolean updateColors)

Customize the color palette of the image with this intuitive method. Ideal for developers seeking to apply specific color schemes or adjustments dynamically, ensuring precise control over the visual appearance of their images.

Overrides:

setPalette in class VectorMultipageImage

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 - method is not supported