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77 lines
1.5 KiB
77 lines
1.5 KiB
#ifndef PROJECTOR_HPP
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#define PROJECTOR_HPP
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#include "Logger.hpp"
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#include <algorithm>
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#include "stfu/stf.hpp"
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#include "Canvas.hpp"
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class Projector {
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public:
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// SHOULD NOT BE HERE
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Canvas* canvas;
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Projector(unsigned int inputDimension, unsigned int outputDimension) :
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canvas(0), projector(0), projectedPoint(0), projectedColor(0),
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inputDimension(inputDimension), outputDimension(outputDimension),
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ready(true) {
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try {
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allocate();
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} catch(std::exception& e) {
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LogError("Couldn't construct Projector: %s\n", e.what());
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deallocate();
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}
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std::fill_n(projectedPoint, outputDimension, 0.0);
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std::fill_n(projectedColor, 1, 0.0);
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}
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virtual ~Projector() {
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deallocate();
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}
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void plot(const double* point) {
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project(point);
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if(ready) {
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if(canvas != NULL) {
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canvas->plot(projectedPoint, projectedColor);
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}
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/*if(projector != NULL) {
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projector->plot(projectedPoint, projectedColor);
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}*/
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}
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}
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static Projector* createProjector(stfu::node& projector, unsigned int input_dimension);
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protected:
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Projector* projector;
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double* projectedPoint;
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double* projectedColor;
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unsigned int inputDimension;
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unsigned int outputDimension;
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bool ready;
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virtual void project(const double* point) = 0;
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private:
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void allocate() {
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projectedPoint = new double[outputDimension];
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projectedColor = new double[1];
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}
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void deallocate() {
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delete[] projectedPoint;
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projectedPoint = NULL;
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delete[] projectedColor;
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projectedColor = NULL;
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}
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};
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#endif // PROJECTOR_HPP
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