unsigned long testFastLines(uint16_t color1, uint16_t color2) {
unsigned long start;
int x, y, w = tft.width(), h = tft.height();
tft.fillScreen(ILI9341_BLACK);
start = micros();
for (y = 0; y < h; y += 5) tft.drawFastHLine(0, y, w, color1);
for (x = 0; x < w; x += 5) tft.drawFastVLine(x, 0, h, color2);
return micros() - start;
}
void Button::draw() {
if (_touching) {
tft.fillRect(_pos.x, _pos.y, _size.w, _size.h, touchColor);
} else {
tft.fillRect(_pos.x-1, _pos.y-1, _size.w, _size.h, bgColor);
// TODO: Better drop shadow
tft.drawFastVLine(_pos.x-1+_size.w, _pos.y-1, _size.h, ILI9341_BLACK);
tft.drawFastHLine(_pos.x-1, _pos.y-1+_size.h, _size.w, ILI9341_BLACK);
}
Label::draw();
}