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/**
* $Id$
*
* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
* @author Maarten Gribnau
* @date March 6, 2001
*/
#ifndef _H_IMG_CanvasRGBA32
#define _H_IMG_CanvasRGBA32
#include "IMG_PixmapRGBA32.h"
#include "IMG_BrushRGBA32.h"
/**
* A IMG_PixmapRGBA32 pixmap that allows for drawing with a IMG_BrushRGBA32.
* @author Maarten Gribnau
* @date March 6, 2001
*/
class IMG_CanvasRGBA32 : public IMG_PixmapRGBA32 {
public:
/**
* Constructor.
* @throw <IMG_MemPtr::Size> when an invalid width and/or height is passed.
* @throw <IMG_MemPtr::Memory> when a there is not enough memory to allocate the image.
* @param width the width in pixels of the image.
* @param height the height in pixels of the image.
*/
IMG_CanvasRGBA32(TUns32 width, TUns32 height);
/**
* Constructor.
* The image data will not be freed upon destruction of this object.
* The owner of this object is reponsible for that.
* @throw <Size> when an invalid width and/or height is passed.
* @param image pointer to the image data.
* @param width the width in pixels of the image.
* @param height the height in pixels of the image.
*/
IMG_CanvasRGBA32(void* image, TUns32 width, TUns32 height, TUns32 rowBytes);
/**
* Blends a pixmap into this pixmap over a line.
* Repeatedly pastes the given pixmap centered at the given line into this pixmap.
* The alpha information in the given image is used to blend.
* @todo implement wrapping modes when the pixmap does not fit within the bounds.
* @todo update the drawing algorithm.
* @param x x-coordinate of the center location of the image.
* @param y y-coordinate of the center location of the image.
* @param pixmap the pixmap to blend
*/
virtual void blendPixmap(TUns32 xStart, TUns32 yStart, TUns32 xEnd, TUns32 yEnd, const IMG_PixmapRGBA32& pixmap);
/**
* Blends a pixmap into this pixmap over a line in (u,v) coordinates.
* Pastes the given pixmap centered at the given line into this pixmap.
* The alpha information in the given image is used to blend.
* @see IMG_PixmapRGBA32::blendPixmap(TUns32 xStart, TUns32 yStart, TUns32 yStart, TUns32 yEnd, const IMG_PixmapRGBA32& pixmap)
* @todo implement wrapping modes when the pixmap does not fit within the bounds.
* @param u u-coordinate of the center location of the image.
* @param v v-coordinate of the center location of the image.
* @param pixmap the pixmap to blend
*/
virtual void blendPixmap(float uStart, float vStart, float uEnd, float vEnd, const IMG_PixmapRGBA32& pixmap);
};
#endif // _H_IMG_CanvasRGBA32
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