HTML5 Guidelines for Web Developers
166 Chapter 5—Canvas This technique is excellent where transformations or clipping masks are con- cerned. And for shadow effects ...
5.14 Animations 167 Figure 5.38 Animation with multicolored spheres Listing 5.3 JavaScript code for animation with multicolored ...
168 Chapter 5—Canvas radgrad.addColorStop(1.0,'rgba(0,0,0,0)'); // draw circle context.save(); context.translate(cx,cy); context ...
5.14 Animations 169 Figure 5.39 HSL colors for multicolored spheres animation Then the sphere is drawn as a circle with the defi ...
170 Chapter 5—Canvas Figure 5.40 Yosemite National Park video postcard The video was kindly provided by YouTube user pos315, con ...
5.14 Animations 171 Panoramic view of Yosemite Valley from Taft Point To ensure that the function init(event) as a reference in ...
172 Chapter 5—Canvas Listing 5.4 Code for animating the video postcard var running = null; canvas.onclick = function() { if (run ...
5.15 Anything Still Missing? 173 from the new position. After about 40 seconds of playing time, the video is over, ten new mini ...
174 Chapter 5—Canvas Unfortunately, isPointInPath() does not allow for path transformations: Even if we had moved the coordinate ...
5.15 Anything Still Missing? 175 5.15.3 Security Aspects From a security point of view, accessing images and their content (pixe ...
176 Chapter 5—Canvas If you do not want to install an Apache server and you have access to Python, you can use just one line to ...
Summary 177 If you want to get into the details of Canvas, your best bet is the Canvas specifica- tion. The current version of t ...
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6 SVG and MathML Just two paragraphs are devoted to the vector standard SVG and the Mathemati- cal Markup Language MathML in the ...
180 Chapter 6—SVG and MathML fulfilled all the requirements. Figure 6.1 shows the result using the example of three MathML formu ...
6.1 MathML 181 Each MathML block within an HTML5 document begins with and ends with . In between, you have optional tags for de ...
182 Chapter 6—SVG and MathML z MathML specification: http://www.w3.org/TR/MathML z W3C Math working group: http://www.w3.org/Mat ...
Summary 183 The dashed lines for the circle radius and the diagonals for the square and rect- angle are created by the attribute ...
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7 Geolocation The Geolocation API was removed from the core of the HTML5 specification and is, according to the W3C nomenclature ...
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