TAILIEUCHUNG - Adobe Illustrator CS4 bible phần 10

Part IV Getting Art Out of Illustrator Clicking the little camera icon in the upper left of the panel allows you to capture a data set. Data sets are stored in Illustrator as XML data, and you can both import and export variables and data sets from the Variables panel menu. Because XML is a standard format, Illustrator can very easily integrate into complex workflows and back-end systems. Understanding scripting A script is a list of commands that are contained in a single file. When you run a script, your computer follows the commands that are contained within the script. In reality, a script. | Part IV Getting Art Out of Illustrator Clicking the little camera icon in the upper left of the panel allows you to capture a data set. Data sets are stored in Illustrator as XML data and you can both import and export variables and data sets from the Variables panel menu. Because XML is a standard format Illustrator can very easily integrate into complex workflows and back-end systems. Understanding scripting A script is a list of commands that are contained in a single file. When you run a script your computer follows the commands that are contained within the script. In reality a script is much like computer-programming code except that it s what s called a high-level language in that it controls existing programs rather than actually being a program itself. A script tells applications what to do. In fact most scripting languages read almost like English making them easier to learn and use. Illustrator supports three scripting languages AppleScript Created by Apple this language works only on the Macintosh platform. Visual Basic Created by Microsoft this language only works on the Windows platform. JavaScript Originally developed by Netscape this language is cross-platform. Scripting versus actions If you ve been paying attention you remember a discussion about something called actions back in Chapter 17. Because you re a smart person you re probably wondering why you need scripting if you already have actions. There are several big differences between actions and scripts An action is simply a recorded sequence of events that you can play over and over performing exactly the same way each time. A script can contain logic and therefore perform different steps depending on the situation. An action is a task that can be completely performed only within Illustrator. A script can involve multiple applications not just Illustrator. An action is easy to create right in Illustrator. A script requires the knowledge of at least one of the scripting languages AppleScript .

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