mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-08 04:27:37 +00:00
88 lines
3.8 KiB
Plaintext
Executable File
88 lines
3.8 KiB
Plaintext
Executable File
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
|
* the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is Oracle Corporation code.
|
|
*
|
|
* The Initial Developer of the Original Code is Oracle Corporation.
|
|
* Portions created by the Initial Developer are Copyright (C) 2005
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Stuart Parmenter <pavlov@pavlov.net>
|
|
* Brett Wilson <brettw@gmail.com>
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either the GNU General Public License Version 2 or later (the "GPL"), or
|
|
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
#include "nsISupports.idl"
|
|
#include "nsIInputStream.idl"
|
|
|
|
/**
|
|
* imgIEncoder interface
|
|
*/
|
|
[scriptable, uuid(CCC5B3AD-3E67-4e3d-97E1-B06B2E96FEF8)]
|
|
interface imgIEncoder : nsIInputStream
|
|
{
|
|
// Possible values for input format (note that not all image formats
|
|
// support saving alpha channels):
|
|
|
|
// Input is RGB each pixel is represented by three bytes:
|
|
// R, G, and B (in that order, regardless of host endianness)
|
|
const PRUint32 INPUT_FORMAT_RGB = 0;
|
|
|
|
// Input is RGB each pixel is represented by four bytes:
|
|
// R, G, and B (in that order, regardless of host endianness).
|
|
// POST-MULTIPLIED alpha us used (50% transparent red is 0xff000080)
|
|
const PRUint32 INPUT_FORMAT_RGBA = 1;
|
|
|
|
// Input is host-endian ARGB: On big-endian machines each pixel is therefore
|
|
// ARGB, and for little-endian machiens (Intel) each pixel is BGRA
|
|
// (This is used by canvas to match it's internal representation)
|
|
//
|
|
// PRE-MULTIPLIED alpha is used (That is, 50% transparent red is 0x80800000,
|
|
// not 0x80ff0000
|
|
const PRUint32 INPUT_FORMAT_HOSTARGB = 2;
|
|
|
|
/* data - list of bytes in the format specified by inputFormat
|
|
* width - width in pixels
|
|
* height - height in pixels
|
|
* stride - number of bytes per row in the image
|
|
* Normally (width*3) or (width*4), depending on your input format,
|
|
* but some data uses padding at the end of each row, which would
|
|
* be extra.
|
|
* inputFormat - one of INPUT_FORMAT_* specifying the format of data
|
|
* outputOptions - semicolon-delimited list of name=value pairs that can
|
|
* give options to the output encoder. Options are encoder-
|
|
* specific. Just give empty string for default behavior.
|
|
*/
|
|
void initFromData([array, size_is(length), const] in PRUint8 data,
|
|
in unsigned long length,
|
|
in PRUint32 width,
|
|
in PRUint32 height,
|
|
in PRUint32 stride,
|
|
in PRUint32 inputFormat,
|
|
in AString outputOptions);
|
|
};
|