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Diffstat (limited to 'source/blender/img/intern/IMG_CanvasRGBA32.h')
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diff --git a/source/blender/img/intern/IMG_CanvasRGBA32.h b/source/blender/img/intern/IMG_CanvasRGBA32.h
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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