13: Take It to the Web in Software

Creator Quick Response Code in Software 13: Take It to the Web

CHAPTER 13: Take It to the Web
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For a complete walkthrough of a site s construction, check out my book Photoshop and Dreamweaver Integration (McGraw-Hill/Osborne, 2005)
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FIGURE 13-1 Launching ImageReady
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To launch ImageReady, click the bottom button in the toolbox, as shown in Figure 13-1 The ImageReady interface is shown in Figure 13-2
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FIGURE 13-2 The ImageReady interface
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The Work Flow
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When you re preparing images for loading on the web, the most efficient work flow will go something like this: 1 Create the page in Photoshop 2 Launch ImageReady
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How to Do Everything with Photoshop CS2
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3 Slice the image 4 Add any special features, such as rollovers or image maps 5 Optimize the image 6 Export the page as an HTML page Your graphics are exported all ready for porting to the Web We ll follow this work flow when working with ImageReady in this chapter When you create a web page, bear in mind that not everyone will be using the same screen resolution that you use, so plan accordingly The lowest screen resolution commonly used is 800 600 pixels, so creating a page that is 775 550 pixels would work well You need to allow some extra pixels to accommodate the toolbars and scroll bar in the web browser
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Slicing Images
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Slicing is a crafty technique commonly used by web designers When you slice an image, you cut a large graphic into several smaller images that will be joined together seamlessly This works in a similar way to a jigsaw puzzle, except you don t see any seams You may want to slice an image for several reasons:
You want to make a slice clickable, allowing the visitor
to move to another part of the web page
You want to optimize each slice differently You want to add special features, such as rollovers and
animations, to the slices
You want to use slices to help your web page load faster
You can do your slicing in either Photoshop or ImageReady Usually, you produce your graphic in Photoshop and then launch ImageReady without closing the document The ImageReady interface will load inside Photoshop You can also slice from within Photoshop, but ImageReady has more robust features, such as allowing you to add a link to your slices ImageReady will construct an HTML page complete with an invisible table, with a cell for each slice The images will be placed inside each cell so that they are all flush with one another
CHAPTER 13: Take It to the Web
When visitors view your web page, they will not see separate images; instead, they will see one image and the seams will be invisible
User Slices
Let s walk through the process of slicing an image that will be used as an interface You need to plan ahead a bit before you begin slicing Consider the following:
Any button interfaces should take preference, because
you want each button to be a single slice so that you can assign the click action to each button
Try to separate important areas of detail versus
nonessential portions of the image This will allow you to optimize with a higher quality setting for essential portions of the image and a higher compression/lower quality for nonessential portions minimum If you create too many slices, they can cause the page to load more slowly because the computer will have to process all the data
FIGURE 13-3 Using the Slice tool (A), and the finished slice (B) A
When you create slices, keep the number of slices to a
You may choose to use guides to help you
slice the images You can choose a snap-to guide to help define the slice placement (See 1 for more on using guides)
Let s begin slicing an image We ll use an image that visitors to our web site can click to move from one page to another 1 Choose the Slice tool from the toolbox
2 Position your mouse pointer at one of the corners of your desired slice, as shown in Figure 13-3A 3 Click and drag the mouse to define the slice in the same way that you would draw with a Marquee tool 4 Release the mouse button and a numbered slice will appear, as shown in Figure 13-3B
How to Do Everything with Photoshop CS2
5 Photoshop automatically slices the rest of the image to accommodate your slice To hide the numbered slice, press CTRL-H (CMD-H on the Mac) Whenever you create a slice, ImageReady assigns it a number This helps you track the slices later on When you export the page, each slice will become a separate image, labeled with the number by default For example, an image named webpagejpg that s been sliced three times will become webpage-01jpg, webpage-02jpg, and webpage-03jpg Figure 13-4 shows the interface with all the slices in place (A) and with the image hidden (B) so that you can get a good look at the slices You will notice that some of the slices boundaries have a solid line and some have a dotted line The solid lines are the slices that you have created yourself The dotted lines are auto slices added by Photoshop Whenever you modify one of your user slices (those you have created yourself), the auto slices will automatically adjust to make your slices work, like filling in the missing pieces of a jigsaw puzzle
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