Tag:canvas

  • Colorpicker of mobile terminal made by canvas

    Time:2021-4-18

    Color picker of mobile terminal made by canvas I’m in another roomdemoI need to use the color picker in Android, but I can’t find the color picker I need on the mobile terminal. Many of them are PC’s, and then I find that the input [type =’color ‘] exists. I find that Android is OK, […]

  • HTML5 canvas basic drawing: drawing Pentagram

    Time:2021-4-18

    <canvas></canvas>It is a new tag added in HTML5 for drawing graphics. In fact, like other tags, this tag is special in that it can obtain a canvasrenderingcontext2d object, which can be controlled by JavaScript script for drawing. <canvas></canvas>It’s just a container for drawing graphics. In addition to ID, class, style and other attributes, there are […]

  • Drawing line of HTML5 canvas basic drawing

    Time:2021-4-17

    <canvas></canvas>It is a new tag added in HTML5 for drawing graphics. In fact, like other tags, this tag is special in that it can obtain a canvasrenderingcontext2d object, which can be controlled by JavaScript script for drawing. <canvas></canvas>It’s just a container for drawing graphics. In addition to ID, class, style and other attributes, there are […]

  • The implementation of fill pattern in HTML5 canvas basic drawing

    Time:2021-4-16

    <canvas></canvas>It is a new tag added in HTML5 for drawing graphics. In fact, like other tags, this tag is special in that it can obtain a canvasrenderingcontext2d object, which can be controlled by JavaScript script for drawing. <canvas></canvas>It’s just a container for drawing graphics. In addition to ID, class, style and other attributes, there are […]

  • Graphics transformation of HTML5 canvas basic drawing

    Time:2021-4-15

    <canvas></canvas>It is a new tag added in HTML5 for drawing graphics. In fact, like other tags, this tag is special in that it can obtain a canvasrenderingcontext2d object, which can be controlled by JavaScript script for drawing. <canvas></canvas>It’s just a container for drawing graphics. In addition to ID, class, style and other attributes, there are […]

  • Tkinter aircraft war test program by Li Xingqiu

    Time:2021-4-14

    “” This work adoptsCC agreementReprint must indicate the author and the link of this article Python Wizard module

  • Introduction to webgl (native) Foundation

    Time:2021-4-14

    The students who came to see this article must have been shocked by the recent 3D scene effects, holding “how to do this TM!” Let’s learn from webgl.OK, you already have experience with threejs or other 3D scene development frameworks, but you don’t know how to write webgl native. This series will start with the […]

  • Drawing curve of HTML5 canvas basic drawing

    Time:2021-4-14

    <canvas></canvas>It is a new tag added in HTML5 for drawing graphics. In fact, like other tags, this tag is special in that it can obtain a canvasrenderingcontext2d object, which can be controlled by JavaScript script for drawing. <canvas></canvas>It’s just a container for drawing graphics. In addition to ID, class, style and other attributes, there are […]

  • Text rendering of HTML5 canvas basic drawing

    Time:2021-4-13

    There are three main attributes and three methods related to text rendering The basic usage of the above properties and methods is as follows: JavaScript CodeCopy content to clipboard var canvas = document.getElementById(“canvas”);        var context = canvas.getContext(“2d”);           context.font=“bold 30px Arial”; //Set style       context.strokeStyle = “#1712F4”;        context.strokeText(“Welcome to my blog! “,30,100);           context.font=“bold 50px Arial”;         var grd = context.createLinearGradient( 30 , 200, 400 , 300 );//Set gradient fill style       grd.addColorStop(0,“#1EF9F7”);        grd.addColorStop(0.25,“#FC0F31”);    […]

  • Graphics combination of HTML5 canvas basic drawing

    Time:2021-4-11

    <canvas></canvas>It’s just a container for drawing graphics. In addition to ID, class, style and other attributes, there are also height and width attributes. There are three main steps in drawing on < canvas > > elements 1. Get the DOM object corresponding to the < canvas > element, which is a canvas object;2. Call getcontext […]

  • Front end small project: painting Doraemon with canvas

    Time:2021-4-8

    Recently, when learning canvas elements, < canvas > tags are just graphic containers, and you must use js to draw graphics. In order to enhance the understanding of canvas elements, we draw a Doraemon with canvas Rendering to be realized Online preview In order to draw this Doraemon, we must first master the following functions: […]

  • Create a simple instance of drawing program with HTML 5 canvas and JavaScript

    Time:2021-4-6

    This article will guide you to create a simple drawing program using canvas and JavaScript. First, prepare the container canvas element, and then everything will be in JavaScript. XML/HTML CodeCopy content to clipboard <canvas id=“canvasInAPerfectWorld” width=“490” height=“220”></canvas>   Get the drawing environment. The context object provides methods and properties for drawing on the canvas XML/HTML CodeCopy content to clipboard […]