зеркало из https://github.com/mozilla/pjs.git
137 строки
4.0 KiB
Plaintext
137 строки
4.0 KiB
Plaintext
/** -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 2001 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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* Stuart Parmenter <pavlov@netscape.com>
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*/
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#include "nsISupports.idl"
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#include "gfxtypes.idl"
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#include "gfxIFormats.idl"
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%{C++
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#include "nsRect.h"
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%}
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/**
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* gfxIImageFrame interface
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*
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* @author Tim Rowley <tor@cs.brown.edu>
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* @author Stuart Parmenter <pavlov@netscape.com>
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* @version 0.1
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*/
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[scriptable, uuid(51cc27a8-1dd2-11b2-a1aa-dad33ab193b4)]
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interface gfxIImageFrame : nsISupports
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{
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/**
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* Create a new \a aWidth x \a aHeight sized image.
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*
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* @param aX The x-offset from the origin of the gfxIImageContainer parent.
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* @param aY The y-offset from the origin of the gfxIImageContainer parent.
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* @param aWidth The width of the image to create.
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* @param aHeight The height of the image to create.
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* @param aFormat the width of the image to create.
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*
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* @note The data of a new image is unspecified (Whats the word i'm looking for here?).
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*/
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void init(in nscoord aX,
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in nscoord aY,
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in nscoord aWidth,
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in nscoord aHeight,
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in gfx_format aFormat);
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/**
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* The x-offset of the image.
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*/
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readonly attribute nscoord x;
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/**
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* The y-offset of the image.
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*/
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readonly attribute nscoord y;
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/**
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* The width of the image.
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*/
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readonly attribute nscoord width;
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/**
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* The height of the image.
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*/
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readonly attribute nscoord height;
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/**
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* The rectangle this frame ocupies.
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*/
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[noscript] readonly attribute nsRect rect;
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/**
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* The image data format the image was created with.
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* @see gfxIFormats
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*/
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readonly attribute gfx_format format;
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/**
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* Represents the number of milliseconds until the next frame should be displayed.
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* @note -1 means that this frame should be displayed forever.
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*/
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attribute long timeout;
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/* data accessors */
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readonly attribute unsigned long imageBytesPerRow;
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/**
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* returns the number of bytes allocated for the image
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*/
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readonly attribute unsigned long imageDataLength;
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// XXX do we copy here? lets not...
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void getImageData([array, size_is(length)] out PRUint8 bits, out unsigned long length);
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/**
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* Sets \a length bytes of \a data in this object.
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* @param offset The offset from the first pixel in bytes. To set
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* data beginning with the first (top left) pixel in the image, \a offset
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* should be 0; to set data beginning with, for example, the sixth pixel in
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* the first row of a RGBA32 image, the offset should be 20.
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* @attension should we use PRUint32 instead?
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*/
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void setImageData([array, size_is(length), const] in PRUint8 data,
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in unsigned long length,
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in long offset);
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/* alpha stuff.. used for _A1 and _A8 formated images */
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readonly attribute unsigned long alphaBytesPerRow;
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/**
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* returns the number of bytes allocated for the alpha mask
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*/
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readonly attribute unsigned long alphaDataLength;
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// XXX do we copy here? lets not...
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void getAlphaData([array, size_is(length)] out PRUint8 bits, out unsigned long length);
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/**
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* Sets \a length bytes of \a data in this object.
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*/
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void setAlphaData([array, size_is(length), const] in PRUint8 data,
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in unsigned long length,
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in long offset);
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};
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