The drawCircle() function is an inbuilt function in the GraphicsMagick library which is used to draw Circles with specified coordinates. The function returns the true value of success.
Syntax:
drawCircle( x0, y0, x1, y1 )
Parameters: This function accepts four parameters as mentioned above and described below:.
- x0: This parameter stores the x-coordinate value of the initial point.
- y0: This parameter stores the y-coordinate value of the initial point.
- x1: This parameter stores the x-coordinate value of the final point.
- y1: This parameter stores the y-coordinate value of the final point.
Return Value: This function returns the GraphicsMagick object.
Original Image:
Example 1:
javascript
// Include gm libraryconst gm = require('gm').subClass({imageMagick: true});
// Import the imagegm('1.png')
// set the color for the stroke.stroke("#ffffff")
// Invoke drawCircle function with// x0 as 30, y0 as 45, x1 as 300// and y1 as 89.drawCircle(30, 45, 300, 89)// Process and write the image.write("drawCircle1.png", function (err) {
if (!err) console.log('done');
}); |
Output:
Example 2:
javascript
// Include gm libraryconst gm = require('gm');
// Import the imagegm(600, 300, 'white')
// Set the color for the stroke.stroke("green", 3)
// Set the font.font("Helvetica.ttf", 60)
// Invoke drawCircle function with// x0 as 10, y0 as 145, x1 as 200// and y1 as 199.drawCircle(10, 145, 200, 199)// Call to drawText Function.drawText(100, 280, "GeeksforGeeks!")
// Process and write the image.write("drawCircle1.png", function (err) {
if (!err) console.log('done');
}); |
Output:
Reference: