@flyskywhy/react-native-gcanvas
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A C++ native canvas 2D/WebGL component based on gpu opengl glsl shader GCanvas
26 lines (16 loc) • 315 B
JavaScript
ctx.lineWidth = 10;
ctx.beginPath();
ctx.rect(20, 20, 100, 100);
ctx.stroke();
ctx.translate(100, 100);
ctx.save();
ctx.moveTo(200, 200);
ctx.lineTo(250, 250);
ctx.moveTo(250, 250);
ctx.lineTo(200, 0);
ctx.moveTo(250, 250);
//rotate
ctx.rotate(Math.PI*0.5)
ctx.lineTo(200, 0);
ctx.restore();
ctx.stroke();