p5.js textSize() Function

Last Updated : 23 Aug, 2023
The textSize() function in p5.js is used to set or return the font size of text. This function is used in all subsequent calls to the text() function. Syntax: 
textSize(size)
or 
textSize()
Parameters: This function accepts single parameter sizewhich stores the size of the text in terms of pixels. Below programs illustrate the textSize() function in p5.js: Example 1: This example uses textSize() function to set the font size of text. javascript 
function setup() {
    
    // Create Canvas of given size
    createCanvas(380, 170);
}

function draw() {
    
    let string = "GeeksforGeeks";
    
    // Set the background color
    background(220);
    
    // Set the text size
    textSize(30);
    
    // Set the text 
    text(string, 100, 30);
}
Output: Example 2: This example uses textSize() function to return the font size of text. javascript 
function setup() {
    
    // Create Canvas of given size
    createCanvas(380, 170);
}

function draw() {
    
    let string = "GeeksforGeeks";
    
    // Set the background color
    background(220);
    
    // Set the text size
    textSize(16);
    
    // store the size of text
    var u = textSize();
    
    // Set the stroke color
    stroke(255, 204, 0);

    // Display result
    text("Value of Text Size is : "
            + u, 50, 30);
}
Output: Reference: https://p5js.org/reference/#/p5/textSize
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