*

y The y-coordinate of the first vertex

*

w Length of line segment

*

c line color

*/

screen.drawFastHLine(/*x=*/0, /*y=*/y, /*w=*/screen.width(),/*c=*/color2);

delay(10);

}

for(int16_t x=0; x < screen.width(); x+=3) {

/*

* @ brief draw a line

* @ param x The x-coordinate of the first vertex

*

y The y-coordinate of the first vertex

*

h length of line segment

*

c line color

*/

screen.drawFastVLine(/*x=*/x, /*y=*/0, /*h=*/screen.height(), /*c=*/color1);

delay(10);

}

}

/* Test to draw a rectangle*/

void testRects(uint16_t color1, uint16_t color2) {

screen.fillScreen(COLOR_RGB565_BLACK);

int16_t x=screen.width()-12;

for (; x > 100; x-=screen.width()/40) {

/*

* @ brief draw a hollow rectangle

* @ param x The x-coordinate of the vertex

* @ param y The y-coordinate of the vertex

* @ param w horizontal side length

* @ param h longitudinal side length

* @ param color Fill color, RGB color with 565 structure

*/

screen.drawRect(/*x=*/screen.width()/2 -x/2, /*y=*/screen.height()/2 -x/2 , /*w=*/x, /*h=*/x, /*color=*/color2+=0x0F00);

delay(100);

}