Tft.drawRoundRect()

tft.drawRoundRect(int16_t x0, int16_t y0, int16_t w, int16_t h, int16_t radius, uint16_t color)

• Effect:
  

Draw a square outline with round corner on the TFT screen

• Parameters:
  

x0：x coordinate of the starting point

y0：y coordinate of the starting point

w：the length of the square

h：the width of the square

radius：the radius of the round corner

color：the color of the square

• Example:
  

#define sclk 13
#define mosi 11
#define cs   5
#define dc   4
#define rst  -1  // you can also connect this to the Arduino reset

#include <Adafruit_GFX.h>    // Core graphics library
#include <Adafruit_ST7735.h> // Hardware-specific library
#include <SPI.h>

#if defined(__SAM3X8E__)
    #undef __FlashStringHelper::F(string_literal)
    #define F(string_literal) string_literal
#endif

Adafruit_ST7735 tft = Adafruit_ST7735(cs, dc, mosi, sclk, rst);

void setup(void) {
  tft.initR(INITR_BLACKTAB);   // initialize a ST7735S chip, black tab
  tft.fillScreen(ST7735_BLACK);
  tft.drawRoundRect(30, 40, 60, 65, 20, ST7735_GREEN);
}

void loop() {  }

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