html5 canvas print

HTML5 Canvas front-end generation thumbnail imageUpdate :2013/08/01: Resolves the bug that was encountered later: the picture was squashed (IOS6); The picture is rotated;The whole source is stacked in: https://github.com/kairyou/html5-make-thumbThe new scheme needs to be implemented later, which is the function in the old version below (watermark/whether to force

Comments: You need to make part of the webpage as the body, convert the original webpage to pdf as an attachment, send an email to boss, and convert svg to canvas for display. However, you can see that canvas cannot be normally displayed, the last resort is that the canvas label can only be converted to the image format again. Recently, there is a need to make so

SVG and canvas are two completely different techniques for drawing graphical applications on HTML5, both have advantages and disadvantages, but they are not incompatible with each other, especially SVG content can be directly drawn on the canvas function, so that the two can be perfectly fused together, Let canvas enjo

JavaScript html5 canvas draws the clock effect, html5canvas This article describes how to draw a clock using JavaScript + html5 canvas. We will share this with you for your reference. The details are as follows: HTML section: JavaScript section: Function init () {var canvas

Javascrip + HTML5 Canvas draw turntable lottery, javascriphtml5 In previous projects, the lottery turntable function is required. The project has been completed for a while, and there are no major bugs, so I will share it with you now. Functional requirements1. Make the turntable beautiful and smooth.2. A picture of the prize must be displayed on the turntable, and the prize is the photo and name read from

====================================================Effect:Draw a triangle on the Web page (HTML5 canvas Drawing)Simplify the drawing process and re-write the diagram function (draw a triangle):function Drawtriangle (canvas,a,b,c){Draw a triangle, "A, B, C" is the vertexWith (Canvas){MoveTo (a[0],a[1]);LineTo (b[0],b[1

Before the project, there is a need to draw turntable function. The project has been completed for some time, there is no serious bug, so now carry out to share with you. Functional Requirements1, turntable to beautiful, smooth rotation effect.2, the turntable needs to display the prize picture, and the prize is backstage to read the photos and the name.3, the rotation of the animation should have a corresponding prompt.4, the acquisition of the prize specific algorithm in the database operatio

# #总结-From this two-day course, I learned that a simple chronicle of HTML, as well as the most beneficial tagging semantics, is easy to SEO and friendly to blind devices. Also know rage Flash why will be defeated by HTML5.-HTML5 has added a lot of features and labels, especially the canvas and Svg,video features are also very bright eyes. Actually can write thing

Personally, the canvas function in HTML5 is not practical, of course, the trend is in the case of flash does not decline. Through learning I found that the canvas function can achieve something very emotional, but the front-end staff must have a certain aesthetic and ideas to make interesting things, because the canvas

Bought two books on HTML5, a "HTML5", a "HTML5 Advanced Program Design", now see "HTML5 Secrets" Online said this book is very introductory, "HTML5 authoritative guide" is relatively deep. So bought the secret, did not buy the guide. All said

(); */ /** Text alignment * textbaseline:top, middle, bottom, alphabetic (latin text), ideographic (kanji), hanging (indic Text)*/Cxt.fillstyle= "Blue"; Cxt.font= "Bold 40px Sans-serif"; Cxt.textbaseline= "Top"; Cxt.filltext ("Hello Canvas", -, -); Cxt.textbaseline= "Middle"; Cxt.filltext ("Hello Canvas", -, -); Cxt.textbaseline= "Bottom"; Cxt.filltext ("Hello

Author: Benedict Ching JuneOriginal address: http://blog.csdn.net/qingdujun/article/details/32930501First, draw the rectangleThe canvas uses the origin point (0,0) in the upper-left coordinate system and increments the x-coordinate to the right. The y-coordinate is incremented downward.Draws a rectangle using the rectangle drawing function of the paint environment. FillRect (x,y,width,height) : Draws a solid rectangle. Strokerect (x,y,wid

Comments: HTML5 adds an element canvas for plotting. In fact, it is similar to div (in fact, it should belong to inline-block) and provides many interfaces, this allows you to easily draw rectangular frames and garden triangles.Canvas elements first recognized HTML5 adds an element canvas for plotting. In fact, it is s

Canvas plotting is probably the most attractive new function in html5. After being powerful, it can basically Replace the effect of flash on the webpage. The following describes the usage of canvas: The basic images of HTML5 Canvas are all based on paths. Generally, use the

Canvas related knowledge in html5 (1) concepts and definitions, html5canvasWhat is Canvas? HTML5 canvas elements use JavaScript to draw images on webpages. A canvas is a rectangular area that allows you to control each pixel.

HTML5 Canvas API is used to control the display and rendering of fonts. html5canvas API OverviewToday, we are fighting for a new text API called HTML5 Canvas! You know, an artist is also a calligrapher, so we need to learn and write beautiful words. Is it interesting? Okay. First, let's look at the