Package org.eclipse.pde.internal.swt.tools

Class IconExe.ImageLoader

  • Enclosing class:
    IconExe
    static class IconExe.ImageLoader
extends java.lang.Object

    • Field Summary

      Fields 
      Modifier and Type Field Description
      int backgroundPixel
      the background pixel for the logical screen (this corresponds to the GIF89a Background Color Index value).
      IconExe.ImageData[] data
      the array of ImageData objects in this ImageLoader.
      (package private) java.util.Vector imageLoaderListeners  
      int logicalScreenHeight
      the height of the logical screen on which the images reside, in pixels (this corresponds to the GIF89a Logical Screen Height value)
      int logicalScreenWidth
      the width of the logical screen on which the images reside, in pixels (this corresponds to the GIF89a Logical Screen Width value)
      int repeatCount
      the number of times to repeat the display of a sequence of animated images (this corresponds to the commonly-used GIF application extension for "NETSCAPE 2.0 01")

    • Constructor Summary

      Constructors 
      Constructor Description
      ImageLoader()
      Construct a new empty ImageLoader.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      IconExe.ImageData[] load​(java.io.InputStream stream)
      Loads an array of ImageData objects from the specified input stream.
      IconExe.ImageData[] load​(java.lang.String filename)
      Loads an array of ImageData objects from the file with the specified name.
      (package private) void reset()
      Resets the fields of the ImageLoader, except for the imageLoaderListeners field.

      • Methods inherited from class java.lang.Object

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

    • Field Detail

      • data

        public IconExe.ImageData[] data
        the array of ImageData objects in this ImageLoader. This array is read in when the load method is called, and it is written out when the save method is called

      • logicalScreenWidth

        public int logicalScreenWidth
        the width of the logical screen on which the images reside, in pixels (this corresponds to the GIF89a Logical Screen Width value)

      • logicalScreenHeight

        public int logicalScreenHeight
        the height of the logical screen on which the images reside, in pixels (this corresponds to the GIF89a Logical Screen Height value)

      • backgroundPixel

        public int backgroundPixel
        the background pixel for the logical screen (this corresponds to the GIF89a Background Color Index value). The default is -1 which means 'unspecified background'

      • repeatCount

        public int repeatCount
        the number of times to repeat the display of a sequence of animated images (this corresponds to the commonly-used GIF application extension for "NETSCAPE 2.0 01")

      • imageLoaderListeners

        java.util.Vector imageLoaderListeners

    • Constructor Detail

      • ImageLoader

        public ImageLoader()
        Construct a new empty ImageLoader.

    • Method Detail

      • reset

        void reset()
        Resets the fields of the ImageLoader, except for the imageLoaderListeners field.

      • load

        public IconExe.ImageData[] load​(java.io.InputStream stream)
        Loads an array of ImageData objects from the specified input stream. Throws an error if either an error occurs while loading the images, or if the images are not of a supported type. Returns the loaded image data array.
        Parameters:
        stream - the input stream to load the images from
        Returns:
        an array of ImageData objects loaded from the specified input stream
        Throws:
        java.lang.IllegalArgumentException -
        • ERROR_NULL_ARGUMENT - if the stream is null
        java.lang.RuntimeException -
        • ERROR_INVALID_IMAGE - if the image file contains invalid data
        • ERROR_IO - if an input/output error occurs while reading data
        • ERROR_UNSUPPORTED_FORMAT - if the image file contains an unrecognized format

      • load

        public IconExe.ImageData[] load​(java.lang.String filename)
        Loads an array of ImageData objects from the file with the specified name. Throws an error if either an error occurs while loading the images, or if the images are not of a supported type. Returns the loaded image data array.
        Parameters:
        filename - the name of the file to load the images from
        Returns:
        an array of ImageData objects loaded from the specified file
        Throws:
        java.lang.IllegalArgumentException -
        • ERROR_NULL_ARGUMENT - if the file name is null
        java.lang.RuntimeException -
        • ERROR_INVALID_IMAGE - if the image file contains invalid data
        • ERROR_IO - if an IO error occurs while reading data
        • ERROR_UNSUPPORTED_FORMAT - if the image file contains an unrecognized format