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35 lines
1.2 KiB
35 lines
1.2 KiB
#pragma once
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#include <stdint.h>
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class DisplayDriver {
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int _w, _h;
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protected:
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DisplayDriver(int w, int h) { _w = w; _h = h; }
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public:
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enum Color { DARK=0, LIGHT, RED, GREEN, BLUE, YELLOW, ORANGE }; // on b/w screen, colors will be !=0 synonym of light
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int width() const { return _w; }
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int height() const { return _h; }
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virtual bool isOn() = 0;
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virtual void turnOn() = 0;
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virtual void turnOff() = 0;
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virtual void clear() = 0;
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virtual void startFrame(Color bkg = DARK) = 0;
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virtual void setTextSize(int sz) = 0;
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virtual void setColor(Color c) = 0;
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virtual void setCursor(int x, int y) = 0;
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virtual void print(const char* str) = 0;
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virtual void printWordWrap(const char* str, int max_width) { print(str); } // fallback to basic print() if no override
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virtual void fillRect(int x, int y, int w, int h) = 0;
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virtual void drawRect(int x, int y, int w, int h) = 0;
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virtual void drawXbm(int x, int y, const uint8_t* bits, int w, int h) = 0;
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virtual uint16_t getTextWidth(const char* str) = 0;
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virtual void drawTextCentered(int mid_x, int y, const char* str) { // helper method (override to optimise)
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int w = getTextWidth(str);
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setCursor(mid_x - w/2, y);
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print(str);
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}
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virtual void endFrame() = 0;
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};
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