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Html5 canvas
- 1. HTML 5 -Canvas
- 2. HTML5 element <canvas>gives you an easy and powerful way to draw graphics using JavaScript. It can be used to draw graphs, make photo compositions or do simple (and not so simple) animations. Here is a simple <canvas> element which has only two specific attributes width and height plus all the core HTML5 attributes like id, name and class, etc. <canvas id ="mycanvas" width="100" height ="100"> You can easily find that <canvas> element in the DOM using getElementByld() method as follows - var canvas = document . getE1ementById ( "mycanvas " ) ;
- 3. Let us seea simple example on using canvas element in HTML5 document. < ! DOCTYPE HTML > <html> <head> <style> #mycanvas{border:lpx solid red;} </style> </head> <canvas id="mycanvas" width -="100"height= " 100" ></canvas> </html>
- 4. This will producethe following result - The Rendering Context The <canvas> is initially blank, and to display something, a script first needs to access the rendering context and draw on it.
- 5. HTML5 Canvas Examples Thistutorial covers the following examples related to HTML5 <canvas> element. Sr.No Examples & Description 1 Drawing Rectangles Learn how to draw rectangle using HTML5 <canvas> element 2 Drawing Paths Learn how to make shapes using paths in HTML5 <canvas> element 3 Drawing Lines Learn how to draw lines using HTML5 <canvas> element 4 Drawing Bezier Learn how to draw Bezier curve using HTML5 <canvas> element 5 Drawing Quadratic Learn how to draw quadratic curve using HTML5 <canvas> element 6 Using Images Learn how to use images with HTML5 <canvas> element 7 Create Gradients Learn how to create gradients using HTML5 <canvas> element
- 6. 9 Text andFonts Learn how to draw amazing text using different fonts and their size. 10 Pattern and Shadow Learn how to draw different patterns and drop shadows. 11 Canvas States Learn how to save and restore canvas states while doing complex drawings on a canvas. 12 Canvas Animation Learn how to create basic animation using HTML5 canvas and JavaScript. 13 Canvas Rotation This method is used to rotate the canvas around the current origin. 14 Canvas Scaling This method is used to increase or decrease the units in a canvas grid. 15 Canvas Transform These methods allow modifications directly to the transformation matrix. 16 Canvas Composition This method is used to mask off certain areas or clear sections from the canvas. 17 Canvas Animation Learn how to create basic animation using HTML5 canvas and JavaScript.