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/*
* Copyright 2011, 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
*/
#ifndef _COM_MovieDistortionOperation_h_
#define _COM_MovieDistortionOperation_h_
#include "COM_NodeOperation.h"
#include "DNA_movieclip_types.h"
extern "C" {
#include "BKE_tracking.h"
}
class DistortionCache {
private:
float k1;
float k2;
float k3;
int width;
int height;
bool inverted;
float *buffer;
int *bufferCalculated;
public:
DistortionCache(MovieClip* movieclip, int width, int height, bool inverted) {
this->k1 = movieclip->tracking.camera.k1;
this->k2 = movieclip->tracking.camera.k2;
this->k3 = movieclip->tracking.camera.k3;
this->width = width;
this->height = height;
this->inverted = inverted;
this->bufferCalculated = new int[this->width*this->height];
this->buffer = new float[this->width*this->height*2];
for (int i = 0 ; i < this->width*this->height ; i ++) {
this->bufferCalculated[i] = 0;
}
}
bool isCacheFor(MovieClip* movieclip, int width, int height, bool inverted) {
return this->k1 == movieclip->tracking.camera.k1 &&
this->k2 == movieclip->tracking.camera.k2 &&
this->k3 == movieclip->tracking.camera.k3 &&
this->inverted == inverted &&
this->width == width &&
this->height == height;
}
void getUV(MovieTracking* trackingData, int x, int y, float *u, float*v) {
if (x<0 || x >= this->width || y <0 || y >= this->height) {
*u = x;
*v = y;
} else {
int offset = y * this->width + x;
int offset2 = offset*2;
if (!bufferCalculated[offset]) {
float in[2];
float out[2];
in[0] = x;
in[1] = y;
if (inverted) {
BKE_tracking_invert_intrinsics(trackingData, in, out);
} else {
BKE_tracking_apply_intrinsics(trackingData, in, out);
}
buffer[offset2] = out[0];
buffer[offset2+1] = out[1];
bufferCalculated[offset] = 1;
}
*u = buffer[offset2];
*v = buffer[offset2+1];
}
}
};
class MovieDistortionOperation: public NodeOperation {
private:
DistortionCache *cache;
SocketReader *inputOperation;
MovieClip * movieClip;
protected:
bool distortion;
public:
MovieDistortionOperation(bool distortion);
bool determineDependingAreaOfInterest(rcti *input, ReadBufferOperation *readOperation, rcti *output);
void executePixel(float *color, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[]);
void initExecution();
void deinitExecution();
void setMovieClip(MovieClip* clip) {this->movieClip = clip;}
};
#endif
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