зеркало из https://github.com/mozilla/gecko-dev.git
107 строки
3.3 KiB
Plaintext
107 строки
3.3 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) 2000-2001 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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interface nsIDrawable;
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/**
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* nsIImage 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 1.2
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* @see "gfx2"
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*/
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[scriptable, uuid(5e8405a4-1dd2-11b2-8385-bc8e3446cad3)]
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interface nsIImage : 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 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 gfx_dimension aWidth,
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in gfx_dimension aHeight,
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in gfx_format aFormat);
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/**
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* Create an image with the bits copied from aDrawable
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*
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* @param aDrawable The drawing area to gather the image bits from.
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* @param aX The x-coordinate of the rectangle in aDrawable to grab.
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* @param aY The y-coordinate of the rectangle in aDrawable to grab.
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* @param aWidth The width of the rectangle in aDrawable to grab.
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* @param aHeight The height of the rectangle in aDrawable to grab.
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*/
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void initFromDrawable(in nsIDrawable aDrawable,
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in gfx_coord aX,
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in gfx_coord aY,
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in gfx_dimension aWidth,
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in gfx_dimension aHeight);
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/**
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* The width of the image.
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*/
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readonly attribute gfx_dimension width;
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/**
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* The height of the image.
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*/
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readonly attribute gfx_dimension height;
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/**
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* The image data format the image was created with.
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* @see nsIGFXFormat
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*/
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readonly attribute gfx_format format;
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readonly attribute unsigned long bytesPerRow;
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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 bitsLength;
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readonly attribute PRUint8 bits;
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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 setBits([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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