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https://github.com/Genaker/LoraSA.git
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Sassa NF
89 lines
2.2 KiB
C++
89 lines
2.2 KiB
C++
#ifndef CHARTS_H
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#define CHARTS_H
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#include <OLEDDisplay.h>
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#include <cstdint>
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#include <stdlib.h>
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struct Chart
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{
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uint16_t pos_x, pos_y;
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uint16_t width, height;
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OLEDDisplay &display;
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Chart(OLEDDisplay &d, uint16_t x, uint16_t y, uint16_t w, uint16_t h)
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: display(d), pos_x(x), pos_y(y), width(w), height(h) {};
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/*
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* This method resets the state and sets the reference time.
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*/
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virtual void reset() = 0;
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/*
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* Update one data point, and return what column needs redrawing.
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*/
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virtual int updatePoint(float x, float y) = 0;
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/*
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* If you fancy animated progress, then pass the output of updatePoint to here.
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*/
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virtual void drawOne(int x) = 0;
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/*
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* Redraw everything that needs redrawing.
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*/
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virtual void draw() = 0;
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};
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struct BarChart : Chart
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{
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float min_x, max_x, min_y, max_y;
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float level_y;
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float *ys;
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bool *changed;
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bool redraw_all;
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BarChart(OLEDDisplay &d, uint16_t x, uint16_t y, uint16_t w, uint16_t h, float min_x,
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float max_x, float min_y, float max_y, float level_y)
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: Chart(d, x, y, w, h), min_x(min_x), max_x(max_x), min_y(min_y), max_y(max_y),
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level_y(level_y), redraw_all(true)
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{
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ys = new float[w];
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changed = new bool[w];
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memset(ys, 0, w * sizeof(float));
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memset(changed, 0, w * sizeof(bool));
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};
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void reset() override;
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int updatePoint(float x, float y) override;
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void drawOne(int x) override;
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void draw() override;
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int x2pos(float x);
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int y2pos(float y);
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};
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#define LABEL_HEIGHT 6
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#define X_AXIS_WEIGHT 1
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#define MAJOR_TICK_LENGTH 2
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#define MAJOR_TICKS 10
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#define MINOR_TICK_LENGTH 1
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#define MINOR_TICKS 5
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#define AXIS_HEIGHT (X_AXIS_WEIGHT + MAJOR_TICK_LENGTH + 1)
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struct DecoratedBarChart : BarChart
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{
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int text_y;
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DecoratedBarChart(OLEDDisplay &d, uint16_t x, uint16_t y, uint16_t w, uint16_t h,
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float min_x, float max_x, float min_y, float max_y, float level_y)
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: BarChart(d, x, y + LABEL_HEIGHT, w, h - LABEL_HEIGHT - AXIS_HEIGHT, min_x,
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max_x, min_y, max_y, level_y),
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text_y(y) {};
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void draw() override;
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};
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#endif
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