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92 lines
3.3 KiB
C++
92 lines
3.3 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Oracle Corporation code.
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*
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* The Initial Developer of the Original Code is Oracle Corporation.
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* Portions created by the Initial Developer are Copyright (C) 2005
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Stuart Parmenter <pavlov@pavlov.net>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef GFX_IMAGESURFACE_H
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#define GFX_IMAGESURFACE_H
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#include "gfxASurface.h"
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#include "gfxPoint.h"
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// ARGB -- raw buffer.. wont be changed.. good for storing data.
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/**
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* A raw image buffer. The format can be set in the constructor. Its main
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* purpose is for storing read-only images and using it as a source surface,
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* but it can also be drawn to.
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*/
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class THEBES_API gfxImageSurface : public gfxASurface {
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public:
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/**
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* Construct an image surface.
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* @param format Format of the data
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* @param width Width of the surface in pixels
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* @param height Height in pixels
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*
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* @see gfxImageFormat
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*
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* XXX why not unsigned long for the dimensions? And, why not gfxSize?
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*/
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gfxImageSurface(gfxImageFormat format, long width, long height);
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gfxImageSurface(cairo_surface_t *csurf);
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virtual ~gfxImageSurface();
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// ImageSurface methods
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gfxImageFormat Format() const { return mFormat; }
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long Width() const { return mWidth; }
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long Height() const { return mHeight; }
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/**
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* Distance in bytes between the start of a line and the start of the
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* next line.
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*/
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long Stride() const;
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/**
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* Returns a pointer for the image data. Users of this function can
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* write to it, but must not attempt to free the buffer.
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*/
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unsigned char* Data() { return mData; } // delete this data under us and die.
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private:
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unsigned char *mData;
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gfxImageFormat mFormat;
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long mWidth;
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long mHeight;
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};
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#endif /* GFX_IMAGESURFACE_H */
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