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#ifndef __PATHTRACER_TRACER__H__
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#define __PATHTRACER_TRACER__H__
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#include "scene.h"
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class tracer
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{
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public:
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    tracer(int w, int h);
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    virtual ~tracer(void) = 0;
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    void set_scene(scene*);
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    virtual CGLA::Vec3f compute_pixel(int w, int h) = 0;
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protected:
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    //resolution
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    int width_;
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    int height_;
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    //the scene
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    scene* scene_;
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};
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#endif
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//02566 framework, Anders Wang Kristensen, awk@imm.dtu.dk, 2007