Node.js GM drawArc() Function
Last Updated :
29 Mar, 2023
The drawArc() function is an inbuilt function in the GraphicsMagick library which is used to draw an arc with specified coordinates. The function returns the true value of success.
Syntax:
drawArc( x0, y0, x1, y1, r0, r1 )
Parameters: This function accepts six parameters as mentioned above and described below:.
- x0: This parameter stores the value of the x-coordinate of the initial point.
- y0: This parameter stores the value of the y-coordinate of the initial point.
- x1: This parameter stores the value of the x-coordinate of the final point.
- y1: This parameter stores the value of the y-coordinate of the final point.
- r0: This parameter takes the value of starting angle of rotation in degrees.
- r1: This parameter takes the value of the ending angle of rotation in degrees.
Return Value: This function returns the GraphicsMagick object.
Original Image:
Example 1:
javascript
const gm = require( 'gm' ).subClass({imageMagick: true });
gm( '1.png' )
.stroke( "#ffffff" )
.drawArc(30, 20, 390, 70, 140, 110)
.write( "drawArc1.png" , function (err) {
if (!err) console.log( 'done' );
});
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Output:
Example 2:
javascript
const gm = require( 'gm' );
gm(600, 300, 'white' )
.font( "Helvetica.ttf" , 60)
.drawArc(30, 20, 390, 110, 240, 210)
.drawText(100, 280, "GeeksforGeeks!" )
.write( "drawArc1.png" , function (err) {
if (!err) console.log( 'done' );
});
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Output:
Reference:
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