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added empty function for inverting display

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ladyada 2012-03-16 14:45:33 -04:00
parent 2187ebacca
commit 74aff79422
1 changed files with 4 additions and 0 deletions
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4
Adafruit_GFX.cpp
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@ -440,6 +440,10 @@ void Adafruit_GFX::setRotation(uint8_t x) {
}
}
void Adafruit_GFX::invertDisplay(boolean i) {
// do nothing, can be subclassed
}
// return the size of the display which depends on the rotation!
uint16_t Adafruit_GFX::width(void) {