102 lines
2.3 KiB
C
102 lines
2.3 KiB
C
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/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file pStatPianoRoll.h
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* @author drose
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* @date 2000-07-18
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*/
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#ifndef PSTATPIANOROLL_H
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#define PSTATPIANOROLL_H
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#include "pandatoolbase.h"
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#include "pStatGraph.h"
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#include "pStatMonitor.h"
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#include "pStatClientData.h"
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#include "luse.h"
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#include "vector_int.h"
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#include "pmap.h"
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class PStatFrameData;
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/**
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* This is an abstract class that presents the interface for drawing a piano-
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* roll type chart: it shows the time spent in each of a number of collectors
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* as a horizontal bar of color, with time as the horizontal axis.
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*
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* This class just manages all the piano-roll logic; the actual nuts and bolts
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* of drawing pixels is left to a user-derived class.
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*/
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class PStatPianoRoll : public PStatGraph {
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public:
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PStatPianoRoll(PStatMonitor *monitor, int thread_index,
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int xsize, int ysize);
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virtual ~PStatPianoRoll();
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void update();
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INLINE void set_horizontal_scale(double time_width);
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INLINE double get_horizontal_scale() const;
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INLINE int timestamp_to_pixel(double time) const;
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INLINE double pixel_to_timestamp(int x) const;
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INLINE int height_to_pixel(double value) const;
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INLINE double pixel_to_height(int y) const;
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protected:
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void changed_size(int xsize, int ysize);
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void force_redraw();
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virtual void normal_guide_bars();
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virtual void begin_draw();
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virtual void begin_row(int row);
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virtual void draw_bar(int row, int from_x, int to_x);
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virtual void end_row(int row);
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virtual void end_draw();
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virtual void idle();
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private:
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void compute_page(const PStatFrameData &frame_data);
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protected:
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int _thread_index;
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private:
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double _time_width;
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double _start_time;
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class ColorBar {
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public:
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double _start;
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double _end;
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};
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typedef pvector<ColorBar> ColorBars;
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class BarBuilder {
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public:
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BarBuilder();
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void clear();
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void add_data_point(double time, bool is_start);
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void finish(double time);
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bool _is_new;
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ColorBars _color_bars;
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};
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typedef pmap<int, BarBuilder> PageData;
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PageData _page_data;
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int _current_frame;
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};
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#include "pStatPianoRoll.I"
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#endif
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