By Bruce W. Perry
AppleScript in a Nutshell is the 1st entire connection with AppleScript, the preferred programming language that offers either strength clients and complicated firm shoppers the real skill to automate repetitive projects and customise purposes. because the Macintosh maintains to extend and solidify its base within the multimedia and publishing industries, AppleScript is the software of selection in this platform for growing refined time- and money-saving workflow purposes (applets). those applets automate the processing and administration of electronic video, imaging, print, and web-based fabric. AppleScript can also be gaining a foothold in clinical programming, as technical organisations undertake G4 CPU-based structures for complex computing and clinical research. ultimately, "power users" and script beginners will locate that AppleScript is a brilliant daily Mac programming software, just like Perl on home windows NT or Unix.
In this well-organized and concise reference, AppleScript programmers will locate:
•Detailed insurance of AppleScript model 1.4 and past on Mac OS nine and Mac OS X.
•Complete descriptions of AppleScript language beneficial properties, resembling facts varieties, flow-control statements, capabilities, object-oriented positive factors (script gadgets and libraries), and different syntactical parts.
•Descriptions and 1000s of code samples on programming many of the "scriptable" process elements, equivalent to the Finder, dossier Sharing, dossier trade, community scripting, net scripting, Apple method Profiler, the ColorSync software, and the varied robust language extensions known as "osax" or scripting additions. so much different AppleScript books are hopelessly old-fashioned. AppleScript in a Nutshell covers the newest updates and enhancements with sensible, effortless to appreciate information, together with:
•Using AppleScript as a device for disbursed computing, an exhilarating improvement that Apple laptop calls "program linking over IP." Programmers can now do dispensed computing with Macs over TCP/IP networks, together with controlling distant functions with AppleScript and calling AppleScript equipment on code libraries which are positioned on different machines.
•Using the Sherlock locate program to automate internet and community looking out.
•Insights on scripting new Apple applied sciences resembling Apple facts Detectors, Folder activities, Keychain entry, and Apple Verifier. AppleScript in a Nutshell is a high-end instruction manual at a low-end price—an crucial laptop reference that places the whole strength of this straightforward programming language into each AppleScript user's hands.
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Extra info for AppleScript in a Nutshell
You follow the same procedure, but you add it under the Release | Win32 node. This time, the library names are specified without appending a "d" at the end. We are now ready to create, compile, and run our first application. We add a new source file by using the Solution Explorer, and right-clicking the Source Files node. cpp as the name of this C++ file: 17 Playing with Images You can also use the File|New|File… menu option to do this. jpg located under the default directory. Once you have recopied the code in the preceding figure (it will be explained later), you can compile it and run it using the Start green arrow in the Toolbar at the top of your screen.
An empty console application is then created as seen here: 21 Playing with Images The code generated by Qt creates a QCoreApplication object and calls its exec() method. This is only required when your application needs an event handler to process the user interactions with a GUI. In our simple open and display image example, this is not needed. We can simply replace the generated code by the one we use in the previous task. The simple open and display image program would then read as follows: In order to be able to compile this program, the OpenCV library files and header files location need to be specified.
Each variable defined in a project file is associated with a list of values. The main variables that are recognized by qmake in Qt are as follows: ff ff TEMPLATE: Defines the type of project (applications, library, and so on). CONFIG : Specifies different options that the compiler should use when building the project. ff HEADERS : Lists the header files of the project. cpp) of the project. 24 Chapter 1 ff QT : Declares the required Qt extension modules and libraries. By default, the core and the GUI modules are included.