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