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    imgIContainer

    Represents an image in the Gecko rendering engine. It provides access to frames as Thebes surfaces and lets users extract subregions as other imgIContainer objects. It also provides methods for drawing images onto Thebes contexts. Internally, this interface also manages animation of images.
    28
    Introduced
    Gecko 1.0
    Inherits from: nsISupports Last changed in Gecko 14.0 (Firefox 14.0 / Thunderbird 14.0 / SeaMonkey 2.11)

    Implemented by: ?????????????????????????????????????. To create an instance, use:

    Implemented by: ????????????????????????????????????? as a service:

    var imgIContainer = Components.classes["@mozilla.org/????????????????????????????"]
                    .createInstance(Components.interfaces.imgIContainer);

    Method overview

    void addRestoreData([array, size_is(aCount), const] in char data, in unsigned long aCount); Native code only! Obsolete since Gecko 2.0
    void appendFrame(in PRInt32 aX, in PRInt32 aY, in PRInt32 aWidth, in PRInt32 aHeight, in gfxImageFormat aFormat, [array, size_is(imageLength)] out PRUint8 imageData, out unsigned long imageLength); Native code only! Obsolete since Gecko 2.0
    void appendPalettedFrame(in PRInt32 aX, in PRInt32 aY, in PRInt32 aWidth, in PRInt32 aHeight, in gfxImageFormat aFormat, in PRUint8 aPaletteDepth, [array, size_is(imageLength)] out PRUint8 imageData, out unsigned long imageLength, [array, size_is(paletteLength)] out PRUint32 paletteData, out unsigned long paletteLength); Native code only! Obsolete since Gecko 2.0
    void clear(); Obsolete since Gecko 1.9.2
    gfxImageSurface copyCurrentFrame(); Native code only! Obsolete since Gecko 2.0
    gfxImageSurface copyFrame(in PRUint32 aWhichFrame, in PRUint32 aFlags); Native code only!
    void decodingComplete(); Obsolete since Gecko 2.0
    void draw(in gfxContext aContext, in gfxGraphicsFilter aFilter, [const] in gfxMatrix aUserSpaceToImageSpace, [const] in gfxRect aFill, [const] in nsIntRect aSubimage, [const] in nsIntSize aViewportSize, in PRUint32 aFlags); Native code only!
    void endFrameDecode(in unsigned long framenumber); Obsolete since Gecko 2.0
    void ensureCleanFrame(in unsigned long aFramenum, in PRInt32 aX, in PRInt32 aY, in PRInt32 aWidth, in PRInt32 aHeight, in gfxImageFormat aFormat, [array, size_is(imageLength)] out PRUint8 imageData, out unsigned long imageLength); Native code only! Obsolete since Gecko 2.0
    imgIContainer extractCurrentFrame([const] in nsIntRect aRect); Native code only! Obsolete since Gecko 2.0
    imgIContainer extractFrame(in PRUint32 aWhichFrame, [const] in nsIntRect aRect, in PRUint32 aFlags); Native code only!
    void frameUpdated(in unsigned long framenum, in nsIntRect aNewRect); Native code only! Obsolete since Gecko 2.0
    void getCurrentFrameRect(in nsIntRect aFrameRect); Native code only! Obsolete since Gecko 2.0
    gfxASurface getFrame(in PRUint32 aWhichFrame, in PRUint32 aFlags); Native code only!
    gfxIImageFrame getFrameAt(in unsigned long index); Obsolete since Gecko 1.9.2
    void getFrameColormap(in unsigned long framenumber, [array, size_is(paletteLength)] out PRUint32 paletteData, out unsigned long paletteLength); Obsolete since Gecko 2.0
    unsigned long getFrameImageDataLength(in unsigned long framenumber); Obsolete since Gecko 2.0
    ImageContainer getImageContainer(); Native code only!
    nsIFrame GetRootLayoutFrame(); Violates the XPCOM interface guidelines
    PRUint16 GetType(); Violates the XPCOM interface guidelines
    void init(in PRInt32 aWidth, in PRInt32 aHeight, in imgIContainerObserver aObserver); Obsolete since Gecko 2.0
    void lockImage();
    void removeFrame(in gfxIImageFrame item); Obsolete since Gecko 1.9.2
    void requestDecode();
    void requestDiscard();
    void requestRefresh([const] in TimeStamp aTime); Violates the XPCOM interface guidelines
    void resetAnimation();
    void restoreDataDone(); Native code only! Obsolete since Gecko 2.0
    void setDiscardable(in string aMimeType); Native code only! Obsolete since Gecko 2.0
    void setFrameBlendMethod(in unsigned long framenumber, in PRInt32 aBlendMethod); Obsolete since Gecko 2.0
    void setFrameDisposalMethod(in unsigned long framenumber, in PRInt32 aDisposalMethod); Obsolete since Gecko 2.0
    void setFrameHasNoAlpha(in unsigned long framenumber); Obsolete since Gecko 2.0
    void setFrameTimeout(in unsigned long framenumber, in PRInt32 aTimeout); Obsolete since Gecko 2.0
    void startAnimation(); Obsolete since Gecko 2.0
    void stopAnimation(); Obsolete since Gecko 2.0
    void unlockImage();

    Attributes

    Attribute Type Description
    animated boolean Whether this image is animated. You can only be guaranteed that querying this will not throw if STATUS_DECODE_COMPLETE is set on the imgIRequest. Read only.
    Exceptions thrown
    NS_ERROR_NOT_AVAILABLE
    If the animated state cannot be determined.
    animationMode unsigned short  
    currentFrame gfxASurface Get a surface for the current frame. This may be a platform-native, optimized frame, so you cannot inspect its pixel data. Read only. Native code only! Obsolete since Gecko 2.0
    currentFrameIndex unsigned long The index of the current frame that would be drawn if the image was to be drawn now. Read only. Obsolete since Gecko 2.0
    currentFrameIsOpaque boolean Whether the current frame is opaque; that is, needs the background painted behind it. Read only.
    height PRInt32 The height of the container rectangle. In the case of any error, zero is returned, and an exception will be thrown. Read only.
    loopCount long

    number of times to loop the image.

    Note: -1 means forever.
    Obsolete since Gecko 2.0
    numFrames unsigned long The total number of frames in this image. Read only. Obsolete since Gecko 2.0
    preferredAlphaChannelFormat gfx_format Read only. Obsolete since Gecko 1.9.2
    type unsigned short The type of this image (one of the TYPE_* values above). Read only.
    width PRInt32 The width of the container rectangle. In the case of any error, zero is returned, and an exception will be thrown. Read only.

    Constants

    Constant Value Description
    TYPE_RASTER 0 Enumerated values for the 'type' attribute (below).
    TYPE_VECTOR 1
    FLAG_NONE 0x0

    Flags for imgIContainer operations.

    Meanings:

    FLAG_NONE: Lack of flags.

    FLAG_SYNC_DECODE: Forces synchronous/non-progressive decode of all available data before the call returns. It is an error to pass this flag from a call stack that originates in a decoder (that is, from a decoder observer event).

    FLAG_DECODE_NO_PREMULTIPLY_ALPHA: Do not premultiply alpha if it is not already premultiplied in the image data.

    FLAG_DECODE_NO_COLORSPACE_CONVERSION: Do not do any colorspace conversion; ignore any embedded profiles, and do not convert to any particular destination space.

    FLAG_CLAMP: Extend the image to the fill area by clamping image sample coordinates instead of by tiling. This only affects 'draw()'.
    FLAG_SYNC_DECODE 0x1
    FLAG_DECODE_NO_PREMULTIPLY_ALPHA 0x2
    FLAG_DECODE_NO_COLORSPACE_CONVERSION 0x4
    FLAG_CLAMP 0x8
    FRAME_FIRST 0

    Constants for specifying various "special" frames.

    FRAME_FIRST: The first frame FRAME_CURRENT: The current frame.

    FRAME_MAX_VALUE should be set to the value of the maximum constant above, as it is used for ensuring that a valid value was passed in.
    FRAME_CURRENT 1
    FRAME_MAX_VALUE 1
    kNormalAnimMode 0 Animation mode Constants 0 = normal 1 = do not animate 2 = loop once.
    kDontAnimMode 1  
    kLoopOnceAnimMode 2  
    kDisposeClearAll -1

    "Disposal" method indicates how the image should be handled before the subsequent image is displayed. Do not change these without looking at the implementations using them, struct gif_struct::disposal_method and gif_write() in particular.

    Clear() the whole image, revealing. Obsolete since Gecko 2.0
    kDisposeNotSpecified 0 Leave frame, let new frame draw() on top. Obsolete since Gecko 2.0
    kDisposeKeep 1 Leave frame, let new frame draw() on top. Obsolete since Gecko 2.0
    kDisposeClear 2 Clear() the frame's area, revealing bg. Obsolete since Gecko 2.0
    kDisposeRestorePrevious 3 Restore the previous(composited) frame. Obsolete since Gecko 2.0
    kBlendSource 0 All color components of the frame, including alpha, const long kBlendOver = 1; // The frame should be composited onto the output buffer. Obsolete since Gecko 2.0

    Methods

    Native code only!

    addRestoreData

    Obsolete since Gecko 2.0 (Firefox 4 / Thunderbird 3.3 / SeaMonkey 2.1)
    This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.

    void addRestoreData(
  [array, size_is(aCount), const] in char data,
  in unsigned long aCount
);
    Parameters
    data
    Missing Description
    aCount
    Missing Description
    Exceptions thrown
    Missing Exception
    Missing Description

    Native code only!

    appendFrame

    Obsolete since Gecko 2.0 (Firefox 4 / Thunderbird 3.3 / SeaMonkey 2.1)
    This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.

    Adds to the end of the list of frames.

    void appendFrame(
  in PRInt32 aX,
  in PRInt32 aY,
  in PRInt32 aWidth,
  in PRInt32 aHeight,
  in gfxImageFormat aFormat,
  [array, size_is(imageLength)] out PRUint8 imageData,
  out unsigned long imageLength
);
    Parameters
    aX
    Missing Description
    aY
    Missing Description
    aWidth
    Missing Description
    aHeight
    Missing Description
    aFormat
    Missing Description
    imageData
    Missing Description
    imageLength
    Missing Description
    Exceptions thrown
    Missing Exception
    Missing Description

    Native code only!

    appendPalettedFrame

    Obsolete since Gecko 2.0 (Firefox 4 / Thunderbird 3.3 / SeaMonkey 2.1)
    This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.

    void appendPalettedFrame(
  in PRInt32 aX,
  in PRInt32 aY,
  in PRInt32 aWidth,
  in PRInt32 aHeight,
  in gfxImageFormat aFormat,
  in PRUint8 aPaletteDepth,
  [array, size_is(imageLength)] out PRUint8 imageData,
  out unsigned long imageLength,
  [array, size_is(paletteLength)] out PRUint32 paletteData,
  out unsigned long paletteLength
);
    Parameters
    aX
    Missing Description
    aY
    Missing Description
    aWidth
    Missing Description
    aHeight
    Missing Description
    aFormat
    Missing Description
    aPaletteDepth
    Missing Description
    imageData
    Missing Description
    imageLength
    Missing Description
    paletteData
    Missing Description
    paletteLength
    Missing Description
    Exceptions thrown
    Missing Exception
    Missing Description

    Obsolete since Gecko 1.9.2 (Firefox 3.6 / Thunderbird 3.1 / Fennec 1.0)

    clear()

    void clear();
    Parameters

    None.

    Exceptions thrown
    Missing Exception
    Missing Description

    Native code only!

    copyCurrentFrame

    Obsolete since Gecko 2.0 (Firefox 4 / Thunderbird 3.3 / SeaMonkey 2.1)
    This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.

    Create and return a new copy of the current frame that you can write to and otherwise inspect the pixels of.

    gfxImageSurface copyCurrentFrame();
    Parameters

    None.

    Return value

    Missing Description

    Exceptions thrown
    Missing Exception
    Missing Description

    Native code only!

    copyFrame

    Create and return a new copy of the given frame that you can write to and otherwise inspect the pixels of.

    gfxImageSurface copyFrame(
  in PRUint32 aWhichFrame,
  in PRUint32 aFlags
);
    Parameters
    aWhichFrame
    Frame specifier of the FRAME_* variety.
    aFlags
    Flags of the FLAG_* variety.
    Return value

    Missing Description

    Exceptions thrown
    Missing Exception
    Missing Description

    Obsolete since Gecko 2.0 (Firefox 4 / Thunderbird 3.3 / SeaMonkey 2.1)

    decodingComplete()

    void decodingComplete();
    Parameters

    None.

    Exceptions thrown
    Missing Exception
    Missing Description

    Native code only!

    draw

    Draw the current frame on to the context specified.

    void draw(
  in gfxContext aContext,
  in gfxGraphicsFilter aFilter,
  [const] in gfxMatrix aUserSpaceToImageSpace,
  [const] in gfxRect aFill,
  [const] in nsIntRect aSubimage,
  [const] in nsIntSize aViewportSize,
  in PRUint32 aFlags
);
    Parameters
    aContext
    The Thebes context to draw the image to.
    aFilter
    The filter to be used if we're scaling the image.
    aUserSpaceToImageSpace
    The transformation from user space (for example, appunits) to image space.
    aFill
    The area in the context to draw pixels to. When aFlags includes FLAG_CLAMP, the image will be extended to this area by clamping image sample coordinates. Otherwise, the image will be automatically tiled as necessary.
    aSubimage
    The area of the image, in pixels, that we are allowed to sample from.
    aViewportSize
    The size (in CSS pixels) of the viewport that would be available for the full image to occupy, if we were drawing the full image. (Note that we might not actually be drawing the full image -- we might be restricted by aSubimage -- but we still need the full image's viewport-size in order for SVG images with the "viewBox" attribute to position their content correctly.)
    aFlags
    Flags of the FLAG_* variety.
    Exceptions thrown
    Missing Exception
    Missing Description

    Obsolete since Gecko 2.0 (Firefox 4 / Thunderbird 3.3 / SeaMonkey 2.1)

    endFrameDecode()

    void endFrameDecode(
  in unsigned long framenumber
);
    Parameters
    framenumber
    Missing Description
    Exceptions thrown
    Missing Exception
    Missing Description

    Native code only!

    ensureCleanFrame

    Obsolete since Gecko 2.0 (Firefox 4 / Thunderbird 3.3 / SeaMonkey 2.1)
    This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.

    Create or reuse a frame at index aFrameNum. It is an error to call this with aFrameNum not in the range [0, numFrames].

    void ensureCleanFrame(
  in unsigned long aFramenum,
  in PRInt32 aX,
  in PRInt32 aY,
  in PRInt32 aWidth,
  in PRInt32 aHeight,
  in gfxImageFormat aFormat,
  [array, size_is(imageLength)] out PRUint8 imageData,
  out unsigned long imageLength
);
    Parameters
    aFramenum
    Missing Description
    aX
    Missing Description
    aY
    Missing Description
    aWidth
    Missing Description
    aHeight
    Missing Description
    aFormat
    Missing Description
    imageData
    Missing Description
    imageLength
    Missing Description
    Exceptions thrown
    Missing Exception
    Missing Description

    Native code only!

    extractCurrentFrame

    Obsolete since Gecko 2.0 (Firefox 4 / Thunderbird 3.3 / SeaMonkey 2.1)
    This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.

    Create a new imgContainer that contains only a single frame, which itself contains a subregion of the current frame.

    imgIContainer extractCurrentFrame(
  [const] in nsIntRect aRect
);
    Parameters
    aRect
    The area of the current frame to be duplicated in the returned imgContainer's frame.
    Return value

    Missing Description

    Exceptions thrown
    Missing Exception
    Missing Description

    Native code only!

    extractFrame

    Create a new imgContainer that contains only a single frame, which itself contains a subregion of the given frame.

    imgIContainer extractFrame(
  in PRUint32 aWhichFrame,
  [const] in nsIntRect aRect,
  in PRUint32 aFlags
);
    Parameters
    aWhichFrame
    Frame specifier of the FRAME_* variety.
    aRect
    The area of the current frame to be duplicated in the returned imgContainer's frame.
    aFlags
    Flags of the FLAG_* variety.
    Return value

    Missing Description

    Exceptions thrown
    Missing Exception
    Missing Description

    Native code only!

    frameUpdated

    Obsolete since Gecko 2.0 (Firefox 4 / Thunderbird 3.3 / SeaMonkey 2.1)
    This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.

    void frameUpdated(
  in unsigned long framenum,
  in nsIntRect aNewRect
);
    Parameters
    framenum
    Missing Description
    aNewRect
    Missing Description
    Exceptions thrown
    Missing Exception
    Missing Description

    Native code only!

    getCurrentFrameRect

    Obsolete since Gecko 2.0 (Firefox 4 / Thunderbird 3.3 / SeaMonkey 2.1)
    This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.

    The rectangle defining the location and size of the currently displayed frame. Should be an attribute, but cannot be because of reference/pointer conflicts with native types in xpidl.

    void getCurrentFrameRect(
  in nsIntRect aFrameRect
);
    Parameters
    aFrameRect
    Missing Description
    Exceptions thrown
    Missing Exception
    Missing Description

    Native code only!

    getFrame

    Get a surface for the given frame. This may be a platform-native, optimized surface, so you cannot inspect its pixel data.

    gfxASurface getFrame(
  in PRUint32 aWhichFrame,
  in PRUint32 aFlags
);
    Parameters
    aWhichFrame
    Frame specifier of the FRAME_* variety.
    aFlags
    Flags of the FLAG_* variety.
    Return value

    Missing Description

    Exceptions thrown
    Missing Exception
    Missing Description

    Obsolete since Gecko 1.9.2 (Firefox 3.6 / Thunderbird 3.1 / Fennec 1.0)

    getFrameAt()

    gfxIImageFrame getFrameAt(
  in unsigned long index
);
    Parameters
    index
    Missing Description
    Return value

    Missing Description

    Exceptions thrown
    Missing Exception
    Missing Description

    Requires Gecko 1.9.2 (Firefox 3.6 / Thunderbird 3.1 / Fennec 1.0)

    getFrameColormap()

    Obsolete since Gecko 2.0 (Firefox 4 / Thunderbird 3.3 / SeaMonkey 2.1)
    This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.

    void getFrameColormap(
  in unsigned long framenumber,
  [array, size_is(paletteLength)] out PRUint32 paletteData,
  out unsigned long paletteLength
);
    Parameters
    framenumber
    Missing Description
    paletteData
    Missing Description
    paletteLength
    Missing Description
    Exceptions thrown
    Missing Exception
    Missing Description

    Requires Gecko 1.9.2 (Firefox 3.6 / Thunderbird 3.1 / Fennec 1.0)

    getFrameImageDataLength()

    Obsolete since Gecko 2.0 (Firefox 4 / Thunderbird 3.3 / SeaMonkey 2.1)
    This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.

    Get the size, in bytes, of a particular frame's image data.

    unsigned long getFrameImageDataLength(
  in unsigned long framenumber
);
    Parameters
    framenumber
    Missing Description
    Return value

    Missing Description

    Exceptions thrown
    Missing Exception
    Missing Description

    Native code only!

    getImageContainer

    Attempts to create an ImageContainer (and Image) containing the current frame. Only valid for RASTER type images.

    ImageContainer getImageContainer();
    Parameters

    None.

    Return value

    Missing Description

    Exceptions thrown
    Missing Exception
    Missing Description

    Violates the XPCOM interface guidelines

    GetRootLayoutFrame()

    If this image is TYPE_VECTOR, that is really an embedded SVG document, and this method returns a pointer to the root nsIFrame of that document. If not (or if the root nsIFrame is not available for some reason), this method returns nsnull.

    "notxpcom" for convenience, since we have no need for nsresult return-val.

    nsIFrame GetRootLayoutFrame();
    Parameters

    None.

    Return value

    Missing Description

    Exceptions thrown
    Missing Exception
    Missing Description

    Violates the XPCOM interface guidelines

    GetType()

    Direct C++ accessor for 'type' attribute, for convenience.

    PRUint16 GetType();
    Parameters

    None.

    Return value

    Missing Description

    Exceptions thrown
    Missing Exception
    Missing Description

    Obsolete since Gecko 2.0 (Firefox 4 / Thunderbird 3.3 / SeaMonkey 2.1)

    init()

    Create a new \a aWidth x \a aHeight sized image container.

    void init(
  in PRInt32 aWidth,
  in PRInt32 aHeight,
  in imgIContainerObserver aObserver
);
    Parameters
    aWidth
    The width of the container in which all the frames will fit.
    aHeight
    The height of the container in which all the frames will fit.
    aObserver
    Observer to send animation notifications to.
    Exceptions thrown
    Missing Exception
    Missing Description

    Requires Gecko 2.0 (Firefox 4 / Thunderbird 3.3 / SeaMonkey 2.1)

    lockImage()

    Increments the lock count on the image. An image will not be discarded as long as the lock count is nonzero. Note that it is still possible for the image to be undecoded if decode-on-draw() is enabled and the image was never drawn.

    Upon instantiation images have a lock count of zero.

    void lockImage();
    Parameters

    None.

    Exceptions thrown
    Missing Exception
    Missing Description

    Obsolete since Gecko 1.9.2 (Firefox 3.6 / Thunderbird 3.1 / Fennec 1.0)

    removeFrame()

    void removeFrame(
  in gfxIImageFrame item
);
    Parameters
    item
    Missing Description
    Exceptions thrown
    Missing Exception
    Missing Description

    Requires Gecko 2.0 (Firefox 4 / Thunderbird 3.3 / SeaMonkey 2.1)

    requestDecode()

    void requestDecode();
    Parameters

    None.

    Exceptions thrown
    Missing Exception
    Missing Description

    Requires Gecko 13.0 (Firefox 13.0 / Thunderbird 13.0 / SeaMonkey 2.10)

    requestDiscard()

    If this image is unlocked, discard its decoded data. If the image is locked or has already been discarded, do nothing.

    void requestDiscard();
    Parameters

    None.

    Exceptions thrown
    Missing Exception
    Missing Description

    Violates the XPCOM interface guidelines

    requestRefresh()

    Indicates that this imgIContainer has been triggered to update its internal animation state. Likely this should only be called from within nsImageFrame or objects of similar type.

    void requestRefresh(
  [const] in TimeStamp aTime
);
    Parameters
    aTime
    Missing Description
    Exceptions thrown
    Missing Exception
    Missing Description

    resetAnimation()

    void resetAnimation();
    Parameters

    None.

    Exceptions thrown
    Missing Exception
    Missing Description

    Native code only!

    restoreDataDone

    Obsolete since Gecko 2.0 (Firefox 4 / Thunderbird 3.3 / SeaMonkey 2.1)
    This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.

    void restoreDataDone();
    Parameters

    None.

    Exceptions thrown
    Missing Exception
    Missing Description

    Native code only!

    setDiscardable

    Obsolete since Gecko 2.0 (Firefox 4 / Thunderbird 3.3 / SeaMonkey 2.1)
    This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.

    void setDiscardable(
  in string aMimeType
);
    Parameters
    aMimeType
    Missing Description
    Exceptions thrown
    Missing Exception
    Missing Description

    Requires Gecko 1.9.2 (Firefox 3.6 / Thunderbird 3.1 / Fennec 1.0)

    setFrameBlendMethod()

    Obsolete since Gecko 2.0 (Firefox 4 / Thunderbird 3.3 / SeaMonkey 2.1)
    This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.

    void setFrameBlendMethod(
  in unsigned long framenumber,
  in PRInt32 aBlendMethod
);
    Parameters
    framenumber
    Missing Description
    aBlendMethod
    Missing Description
    Exceptions thrown
    Missing Exception
    Missing Description

    Requires Gecko 1.9.2 (Firefox 3.6 / Thunderbird 3.1 / Fennec 1.0)

    setFrameDisposalMethod()

    Obsolete since Gecko 2.0 (Firefox 4 / Thunderbird 3.3 / SeaMonkey 2.1)
    This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.

    void setFrameDisposalMethod(
  in unsigned long framenumber,
  in PRInt32 aDisposalMethod
);
    Parameters
    framenumber
    Missing Description
    aDisposalMethod
    Missing Description
    Exceptions thrown
    Missing Exception
    Missing Description

    Requires Gecko 1.9.2 (Firefox 3.6 / Thunderbird 3.1 / Fennec 1.0)

    setFrameHasNoAlpha()

    Obsolete since Gecko 2.0 (Firefox 4 / Thunderbird 3.3 / SeaMonkey 2.1)
    This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.

    void setFrameHasNoAlpha(
  in unsigned long framenumber
);
    Parameters
    framenumber
    Missing Description
    Exceptions thrown
    Missing Exception
    Missing Description

    Requires Gecko 1.9.2 (Firefox 3.6 / Thunderbird 3.1 / Fennec 1.0)

    setFrameTimeout()

    Obsolete since Gecko 2.0 (Firefox 4 / Thunderbird 3.3 / SeaMonkey 2.1)
    This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.

    void setFrameTimeout(
  in unsigned long framenumber,
  in PRInt32 aTimeout
);
    Parameters
    framenumber
    Missing Description
    aTimeout
    Missing Description
    Exceptions thrown
    Missing Exception
    Missing Description

    Obsolete since Gecko 2.0 (Firefox 4 / Thunderbird 3.3 / SeaMonkey 2.1)

    startAnimation()

    void startAnimation();
    Parameters

    None.

    Exceptions thrown
    Missing Exception
    Missing Description

    Obsolete since Gecko 2.0 (Firefox 4 / Thunderbird 3.3 / SeaMonkey 2.1)

    stopAnimation()

    void stopAnimation();
    Parameters

    None.

    Exceptions thrown
    Missing Exception
    Missing Description

    Requires Gecko 2.0 (Firefox 4 / Thunderbird 3.3 / SeaMonkey 2.1)

    unlockImage()

    Decreases the lock count on the image. If the lock count drops to zero, the image is allowed to discard its frame data to save memory.

    Upon instantiation images have a lock count of zero. It is an error to call this method without first having made a matching lockImage() call. In other words, the lock count is not allowed to be negative.

    void unlockImage();
    Parameters

    None.

    Exceptions thrown
    Missing Exception
    Missing Description

    Remarks

    ---

    See also

     

     

     

    Document Tags and Contributors

    Tags: 
     Contributors to this page: Sheppy, fscholz, kscarfone, ethertank
     Last updated by: Sheppy,