@flyskywhy/react-native-gcanvas
Version:
A C++ native canvas 2D/WebGL component based on gpu opengl glsl shader GCanvas
12 lines (9 loc) • 355 B
JavaScript
var tw = ctx.measureText("USA");
var mw = tw.width;
ctx.fillStyle = "#ff0000";
ctx.font = 12*ratio+"px Arial-MT";
ctx.fillText("USA", 10*ratio, 50*ratio);
ctx.fillText("文字怎么样 !!! width:" + mw, 20*ratio, 100*ratio);
ctx.fillStyle = '#FF0000';
ctx.font = 25*ratio+"px 微软雅黑";
ctx.fillText("w3school.com.cn", 35*ratio, 50*ratio);