94 lines
2.2 KiB
C++
94 lines
2.2 KiB
C++
// Filename: pStatPianoRoll.h
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// Created by: drose (18Jul00)
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//
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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 <map>
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class PStatFrameData;
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////////////////////////////////////////////////////////////////////
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// Class : PStatPianoRoll
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// Description : This is an abstract class that presents the interface
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// for drawing a piano-roll type chart: it shows the
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// time spent in each of a number of collectors as a
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// horizontal bar of color, with time as the horizontal
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// axis.
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//
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// This class just manages all the piano-roll logic; the
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// actual nuts and bolts of drawing pixels is left to a
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// 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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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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int _thread_index;
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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 vector<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);
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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 map<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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