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Added invertDisplay requirement

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ladyada 2012-03-16 14:44:34 -04:00
parent 17a6c8b28a
commit 2187ebacca
1 changed files with 1 additions and 0 deletions
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Adafruit_GFX.h
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@ -34,6 +34,7 @@ class Adafruit_GFX : public Print {
// this must be defined by the subclass
virtual void drawPixel(uint16_t x, uint16_t y, uint16_t color);
virtual void invertDisplay(boolean i);
// these are 'generic' drawing functions, so we can share them!
virtual void drawLine(int16_t x0, int16_t y0, int16_t x1, int16_t y1,