Node.js GM stroke() Function
The stroke() function is an inbuilt function in the GraphicsMagick library which is used to set the color and width of the stroke used to draw object outlines.
Syntax:
stroke( color, width )
Parameters: This function accepts two parameters as mentioned above and described below:
- color: This parameter stores the color of the stroke.
- width: This is an optional parameter that stores the width of the object.
Return Value: This function returns the GraphicsMagick object with the image added.
Original Image:
Example 1:
javascript
// Include gm library const gm = require('gm'); // Import the image gm('1.png') // Set stroke color and siz .stroke("#fe1232", 5) // Set fill color .fill("#56f864") // Draw Circle using drawCircle function .drawCircle(120, 50, 100, 60).stroke() // Process and Write the image .write("1a.png", function (err) { if (!err) console.log('done'); }); |
Output:
Original Image:
Example 2:
javascript
// Include gm library const gm = require('gm'); // Import the image gm('1.png') // Set stroke color .stroke("#fe1232") // Set fill color .fill("#1200ff") // Draw Rectangle using drawRectangle function .drawRectangle(10, 2, 130, 30, 1, 2) // Process and Write the image .write("1a.png", function (err) { if (!err) console.log('done'); }); |
Output:
Reference:
- http://www.graphicsmagick.org/GraphicsMagick.html#details-stroke
- https://www.npmjs.com/package/gm
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