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/*
* Copyright 2012, Blender Foundation.
*
* 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.
*
* Contributor:
* Jeroen Bakker
* Monique Dewanchand
* Sergey Sharybin
*/
#ifndef _COM_KeyingScreenOperation_h
#define _COM_KeyingScreenOperation_h
#include <string.h>
#include "COM_NodeOperation.h"
#include "DNA_movieclip_types.h"
#include "BLI_listbase.h"
#include "BLI_string.h"
extern "C" {
# include "BLI_voronoi_2d.h"
}
/**
* Class with implementation of green screen gradient rasterization
*/
class KeyingScreenOperation : public NodeOperation {
protected:
typedef struct TriangulationData {
VoronoiTriangulationPoint *triangulated_points;
int (*triangles)[3];
int triangulated_points_total, triangles_total;
rcti *triangles_AABB;
} TriangulationData;
typedef struct TileData {
int *triangles;
int triangles_total;
} TileData;
MovieClip *m_movieClip;
int m_framenumber;
TriangulationData *m_cachedTriangulation;
char m_trackingObject[64];
/**
* Determine the output resolution. The resolution is retrieved from the Renderer
*/
void determineResolution(unsigned int resolution[2], unsigned int preferredResolution[2]);
TriangulationData *buildVoronoiTriangulation();
public:
KeyingScreenOperation();
void initExecution();
void deinitExecution();
void *initializeTileData(rcti *rect);
void deinitializeTileData(rcti *rect, void *data);
void setMovieClip(MovieClip *clip) {this->m_movieClip = clip;}
void setTrackingObject(const char *object) { BLI_strncpy(this->m_trackingObject, object, sizeof(this->m_trackingObject)); }
void setFramenumber(int framenumber) {this->m_framenumber = framenumber;}
void executePixel(float output[4], int x, int y, void *data);
};
#endif
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