Tag：rectangle
-
Time：2021-10-22
Modern web applications have a great demand for images, which occupy most of the bytes downloaded from the network. By optimizing them, you can make better use of their performance. If you happen to use geometry as a background image, there is an alternative: you can useCSS Paint APIGenerate the background programmatically. In this tutorial, […]
-
Time：2021-10-15
[No.1 reverse word prefix] Problem solving ideas Check in question. Code display class Solution { public String reversePrefix(String word, char ch) { int index = word.indexOf(ch); return new StringBuffer(word.substring(0, index + 1)).reverse().toString() + word.substring(index + 1); } } [No.2 number of groups of interchangeable rectangles] Problem solving ideas Classify the rectangles according to the aspect […]
-
Time：2021-10-5
The last article introduced the double pointer method used to improve the element search rate. This article will use the double pointer again to solve the leetcoed problem, so as to help you better understand and consolidate the usage of the double pointer. The specific explanation of the double pointer method is movable [leetcode series] […]
-
Time：2021-9-26
This article was first published in RT thread community and cannot be reproduced without authorization.preface GPU, namely graphics processor, is the core of modern graphics card. In the era without GPU, the drawing of all graphics is completed by the CPU. The CPU needs to calculate the boundary, color and other data of graphics, and […]
-
Time：2021-9-6
preface Before learning canvas drawing, I wrote an Android loading animation, and the code is hosted on GitHub. Here is the address of GitHub:GitHub address, welcome to star, welcome to pay attention The effect diagram of actual operation is attached below. Main work ideas If you need to draw such an animation, you must first […]
-
Time：2021-9-1
My thoughts on using Windows 11！！！ This article will behttps://blog.projectoms.com/p…Continuous update!!!For the best reading experience, visit:https://blog.projectoms.com/p…Recently, I installed windows 11 on the physical machine. I have to say that the moment I saw the desktop after boot, I felt that I was using MacOS As we all know, windows 11 has no great changes at […]
-
Time：2021-8-30
fillet In the project, the four corners of the form need to be changed to rounded corners. The rounded corners of WinForm form form are not well set or drawn. I found many solutions on the Internet and finally found a perfect solution. Commonly used in online materials is to redraw the four corners of […]
-
Time：2021-8-10
before this You need to know how to use the following methods: beginPath() moveTo() lineTo() closePath() For specific usage, please refer to my last articleIntroduction to canvas – make a jigsaw puzzle with canvas Drawing of rectangle Canvas provides three ways to draw rectangles: fillRect(x, y, width, height) Draw a filled rectangle strokeRect(x, y, width, […]
-
Time：2021-8-4
Use closepath() to close the drawingFirst, we draw a rectangle in the most common way. JavaScript CodeCopy contents to clipboard <!DOCTYPE html> <html lang=“en”> <head> <meta charset=“UTF-8”> <title></title> </head> <body> <!DOCTYPE html> <html lang=“zh”> <head> <meta charset=“UTF-8”> < title > draw rectangle < / Title > </head> <body> […]
-
Time：2021-8-3
preface The knowledge of HTML5 canvas is a necessary skill for programmers and developers, and it is often involved in practical work. Recently, I stayed up late to summarize the knowledge points related to html5cavas. Let’s have a look: 1. Html5canvas Basics Canvas, it’s a canvas The canvas element is used to draw 2D graphics […]
-
Time：2021-7-15
“Weekly canvas animation” — magical use of difference function Weekly point canvas animation code file It seems that the last update was 11 years ago. It’s been more than half a month. I’m sorry to update it now. This time we don’t cover the content of canvas 3D, but mainly share a more dazzling animation […]
-
Time：2021-7-9
Weekly point canvas animation code file It seems that the last update was 11 years ago. It’s been more than half a month. Now I’m not embarrassed to update. This time we don’t cover the content of canvas 3D, but mainly share a more dazzling animation effect, which can be regarded as the last article“Weekly […]
