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diff --git a/source/blender/freestyle/intern/application/AppCanvas.h b/source/blender/freestyle/intern/application/AppCanvas.h
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+/*
+ * ***** BEGIN GPL 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.
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2010 Blender Foundation.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): none yet.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+#ifndef __APPCANVAS_H__
+#define __APPCANVAS_H__
+
+/** \file blender/freestyle/intern/application/AppCanvas.h
+ *  \ingroup freestyle
+ */
+
+#include "../stroke/Canvas.h"
+#include "AppView.h"
+
+class AppCanvas : public Canvas
+{
+public:
+	AppCanvas();
+	AppCanvas(AppView *iViewer);
+	AppCanvas(const AppCanvas& iBrother);
+	virtual ~AppCanvas();
+
+	/*! operations that need to be done before a draw */
+	virtual void preDraw();
+
+	/*! operations that need to be done after a draw */
+	virtual void postDraw();
+
+	/*! Erases the layers and clears the canvas */
+	virtual void Erase();
+
+	/* init the canvas */
+	virtual void init();
+
+	/*! Reads a pixel area from the canvas */
+	virtual void readColorPixels(int x,int y,int w, int h, RGBImage& oImage) const;
+	/*! Reads a depth pixel area from the canvas */
+	virtual void readDepthPixels(int x,int y,int w, int h, GrayImage& oImage) const;
+
+	virtual BBox<Vec3r> scene3DBBox() const;
+
+	/* abstract */
+	virtual void RenderStroke(Stroke*);
+	virtual void update();
+
+
+	/*! accessors */
+	virtual int width() const;
+	virtual int height() const;
+	virtual BBox<Vec2i> border() const;
+	virtual float thickness() const;
+
+	AppView *_pViewer;
+	inline const AppView * viewer() const {return _pViewer;}
+
+	/*! modifiers */
+	void setViewer(AppView *iViewer);
+
+	/* soc */
+	void setPassDiffuse(float *buf, int width, int height) {
+		_pass_diffuse.buf = buf;
+		_pass_diffuse.width = width;
+		_pass_diffuse.height = height;
+	}
+	void setPassZ(float *buf, int width, int height) {
+		_pass_z.buf = buf;
+		_pass_z.width = width;
+		_pass_z.height = height;
+	}
+
+private:
+	struct {
+		float *buf;
+		int width, height;
+	} _pass_diffuse, _pass_z;
+};
+
+#endif // __APPCANVAS_H__