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TFTLibrary > TFT

line

Description

Draws a line between two points. Use stroke() to change the color of something drawn with line().

Syntax

screen.line(xStart, yStart, xEnd, yEnd);

Parameters

  • xStart : int, the horizontal position where the line starts
  • yStart : int, the vertical position where the line starts
  • xEnd : int, the horizontal position where the line ends
  • yEnd : int, the vertical position where the line ends

Returns

none

Example

#include <SPI.h>
#include <TFT.h>            // Arduino TFT library

#define cs   10
#define dc   9
#define rst  8

TFT screen = TFT(cs, dc, rst);

void setup() {
  // initialize the screen
  screen.begin();

  // make the background black
  screen.background(0,0,0);

  // set the stroke color to white
  screen.stroke(255,255,255);

  // draw a diagonal line across the screen's center
  screen.line(0, 0, 160, 124);
}

void loop() {

}

See also

Reference Home

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The text of the Arduino reference is licensed under a Creative Commons Attribution-ShareAlike 3.0 License. Code samples in the reference are released into the public domain.