核心架构请查阅 canvas-select 组件，一个用于图片标注的 javascript 库，基于 canvas，简单轻量，支持矩形、多边形、点、折线、圆形标注、网格标注。 使用离屏 canvas 绘制静态背景图片，避免频繁绘制。 避免浮点数运算，使用 Math.round()或 Math.floor()进行取整。

Editor's Note: APYs listed in this article are up-to-date as of the time of publication. They may fluctuate (up or down) as the Fed rate changes. CNBC Select will update as changes are made public.

Discover cards are currently not available on CNBC Select and links have been redirected to our credit card marketplace where you can review offers from other issuers like American Express or Chase.

Let us help you with your inquiries, brochures and pricing requirements Request A Quote Download PDF Copy Download Brochure The new Savina 300 Select and Savina 300 ...

For years I avoided bar soaps because I only associated them with my skin feeling tight and dry, something I wanted to avoid at any cost. Instead, I relied on liquid body washes or shower oils. While ...

Listen Live The Last Show with David Cooper 3:00 AM - 5:00 AM Listen Live The Last Show with David Cooper 3:00 AM - 5:00 AM ...

There are a ridiculous number of free PC games out there, so if you've been looking to save some cash without missing out on some great gaming, we've got options for you. You can have hours of fun ...

By Paula Beaton and Mark Jansen Updated November 27, 2023 It’s probably the Android app, so you likely have YouTube already — but that doesn’t make it any less essential. YouTube’s mobile app is sleek ...