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nsISVGLibartBitmap.h
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00001 /* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
00006  * 1.1 (the "License"); you may not use this file except in compliance with
00007  * the License. You may obtain a copy of the License at
00008  * http://www.mozilla.org/MPL/
00009  *
00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00012  * for the specific language governing rights and limitations under the
00013  * License.
00014  *
00015  * The Original Code is the Mozilla SVG project.
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Alex Fritze.
00019  * Portions created by the Initial Developer are Copyright (C) 2002
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *   Alex Fritze <alex@croczilla.com> (original author)
00024  *
00025  * Alternatively, the contents of this file may be used under the terms of
00026  * either of the GNU General Public License Version 2 or later (the "GPL"),
00027  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00028  * in which case the provisions of the GPL or the LGPL are applicable instead
00029  * of those above. If you wish to allow use of your version of this file only
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00034  * the provisions above, a recipient may use your version of this file under
00035  * the terms of any one of the MPL, the GPL or the LGPL.
00036  *
00037  * ***** END LICENSE BLOCK ***** */
00038 
00039 
00040 #ifndef __NS_ISVGLIBART_BITMAP_H__
00041 #define __NS_ISVGLIBART_BITMAP_H__
00042 
00043 #include "nsISupports.h"
00044 
00045 class nsIRenderingContext;
00046 class nsPresContext;
00047 struct nsRect;
00048 typedef PRUint32 nscolor;
00049 
00050 // {18E4F62F-60A4-42D1-BCE2-43445656096E}
00051 #define NS_ISVGLIBARTBITMAP_IID \
00052 { 0x18e4f62f, 0x60a4, 0x42d1, { 0xbc, 0xe2, 0x43, 0x44, 0x56, 0x56, 0x09, 0x6e } }
00053 
00058 
00059 
00065 class nsISVGLibartBitmap : public nsISupports
00066 {
00067 public:
00068   NS_DEFINE_STATIC_IID_ACCESSOR(NS_ISVGLIBARTBITMAP_IID)
00069 
00070   enum PixelFormat {
00071     PIXEL_FORMAT_24_RGB  = 1, // linux
00072     PIXEL_FORMAT_24_BGR  = 2, // windows
00073     PIXEL_FORMAT_32_ABGR = 3, // mac
00074     PIXEL_FORMAT_32_RGBA = 4, // mac/linux + compositing
00075     PIXEL_FORMAT_32_BGRA = 5  // windows + compositing
00076   };
00077   
00078   NS_IMETHOD_(PRUint8 *) GetBits()=0;
00079   NS_IMETHOD_(PixelFormat) GetPixelFormat()=0;
00080 
00084   NS_IMETHOD_(int) GetLineStride()=0;
00085 
00089   NS_IMETHOD_(int) GetWidth()=0;
00090 
00094   NS_IMETHOD_(int) GetHeight()=0;
00095 
00100   NS_IMETHOD_(void) LockRenderingContext(const nsRect& rect, nsIRenderingContext**ctx)=0;
00101   
00102   NS_IMETHOD_(void) UnlockRenderingContext()=0;
00103 
00107   NS_IMETHOD_(void) Flush()=0;
00108 };
00109 
00113 // The libart backend expects to find a statically linked class
00114 // implementing the above interface and instantiable with the
00115 // following method:
00116 nsresult
00117 NS_NewSVGLibartBitmap(nsISVGLibartBitmap **result,
00118                       nsIRenderingContext *ctx,
00119                       nsPresContext* presContext,
00120                       const nsRect & rect);
00121 
00122 #endif // __NS_ISVGLIBART_BITMAP_H__