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Tooltips can greatly improve the usability of your web site by providing direction and cues to visitors. In this course, Chris Converse shows how to convert text or graphics into a mouse-sensitive tooltip. The tutorials demonstrate how to write the necessary HTML and activate the tooltip with jQuery, as well as add positioning and effects.
Now the exercise files that we're providing with this course, both the free ones and the Premium ones include an images directory which has all the graphics in here. So if you prefer to skip customizing the graphics in Photoshop, you can simply go to the next movie and just continue on with the course. For those of you who want to customize the graphics or at least see how the Photoshop file is setup, let's come over to the exercise files, let's open up Art Templates and let's open up template_items.psd. Now inside this Photoshop file here, I'm just going to zoom up here a little bit.
Over in the Layers panel at the very bottom we have a Layer called fpo. We'll just turn that on. This is just simply a gray layer in the background, so that we can actually see through, some of these transparent graphics. So over on the toolbar we can click on the Cropping tool and see that we have the Slice and Slice Selection tool under the Crop tool. So I'll come down here and select the Slice Selection tool. This allows us to customize the individual slices. So down here I have a copy of the lynda.com logo that we're going to use inside of one of the tooltips. I just pulled this right off of the website.
We have a logo file here. At the top we have a custom banner with a photograph inside, and then here we have a semi- transparent block that we're going to be using at the background for tooltip, since Internet Explorer 7 and 8 don't support semi-transparency in CSS3. To see how this is set up, I can come over here and select the layer called ie box and we can see that the Opacity is set to 85%. This is the same percentile we're going to set black to using CSS3 in the RGBA color space to get a 15% transparent black box.
Now to customize the artwork inside of here, you can work on the canvas on any one these individual layers and realize that anything that's in the canvas that's inside of the slicing area is going to be included inside of that slice. Once you've completed that, come over here to the Layers panel, turn off the fpo layer, and what we're going to do now is export out all of these individual slices. So we are going to do that by coming up to the File menu, come down to Save for Web & Devices. Now if you're using Photoshop CS6 this menu will simply say Save for Web.
Next we'll see the Save for Web dialog box. We can come in here and select individual slices. Over on the right-hand side we can pick the file format and the Optimization settings, so the banner is being set to a JPEG at 75% Quality. Now the logo was set to a 24-bit PNG, which is going to give us a lot of nice semi-transparency on the pixels. The lynda.com logo is being set as a GIF, and then this slice here that we're going to use as the background for IE 7 and 8 is set to a 24-bit PNG as well.
Now all of these slices and all of the Optimization settings are saved inside of the PSD file. Let's come down here and click Save from the Save Optimized As dialog box, let's come to Slices. You can come down here and choose All User Slices. This way Photoshop will only pay attention to the slices that we have drawn and it will ignore the rest of the slices that are used to complete the canvas. And from the desktop, let's choose myTooltip > images directory, choose Save and when Photoshop asks you if it's okay to replace all these files you can come over here and click on Replace.
And that will then customize all of these graphics with whatever changes you've made inside of your Photoshop file. Once you've exported your graphics, you can come up to the File menu, close your file, choose Save, and now that we have all of our graphics created, we can then work on editing the HTML and CSS files in the next movie.
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