NullDisplayDriver.h 858 B

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  1. #pragma once
  2. #include <helpers/ui/DisplayDriver.h>
  3. class NullDisplayDriver : public DisplayDriver {
  4. public:
  5. NullDisplayDriver() : DisplayDriver(128, 64) { }
  6. bool begin() { return false; } // not present
  7. bool isOn() override { return false; }
  8. void turnOn() override { }
  9. void turnOff() override { }
  10. void clear() override { }
  11. void startFrame(Color bkg = DARK) override { }
  12. void setTextSize(int sz) override { }
  13. void setColor(Color c) override { }
  14. void setCursor(int x, int y) override { }
  15. void print(const char* str) override { }
  16. void fillRect(int x, int y, int w, int h) override { }
  17. void drawRect(int x, int y, int w, int h) override { }
  18. void drawXbm(int x, int y, const uint8_t* bits, int w, int h) override { }
  19. uint16_t getTextWidth(const char* str) override { return 0; }
  20. void endFrame() { }
  21. };