com.aspose.imaging.fileformats.wmf

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 readig 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

• 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 rotate flip.

  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