grad.js Example File | Qt Script

Qt 5.9 | Qt Script | Context2D Example | grad.js Example File

Qt 5.9.2 Reference Documentation

# grad.js Example File

script/context2d/scripts/grad.js

        var ctx = document.getElementById('tutorial').getContext('2d');

        // Create gradients
        var lingrad = ctx.createLinearGradient(0,0,0,150);
        lingrad.addColorStop(0, '#00ABEB');
        lingrad.addColorStop(0.5, '#fff');
        lingrad.addColorStop(0.5, '#66CC00');
        lingrad.addColorStop(1, '#fff');

        var lingrad2 = ctx.createLinearGradient(0,50,0,95);
        lingrad2.addColorStop(0.5, '#000');
        lingrad2.addColorStop(1, 'rgba(0,0,0,0)');

        // assign gradients to fill and stroke styles
        ctx.fillStyle = lingrad;
        ctx.strokeStyle = lingrad2;

        // draw shapes
        ctx.fillRect(10,10,130,130);
        ctx.strokeRect(50,50,50,50);