#!/usr/bin/perl -w # # Copyright 2000 by Michael Coyle # Released under GPL. # # Call it with: # [an error occurred while processing this directive] # # Get the file name from the browser... $file_name = $ENV{'QUERY_STRING'}; # Open the file... open (EP, $file_name); # Print to the browser... print "Content-Type: text/html \n\n"; # Load the file and keep spitting it out to the browser... while () { chomp; print "$_ "; } # Close the file and go home... close EP #!/usr/bin/perl -w # # Copyright 2000 by Michael Coyle # Released under GPL. # # Call it with: # [an error occurred while processing this directive] # # Get the file name from the browser... $file_name = $ENV{'QUERY_STRING'}; # Open the file... open (EP, $file_name); # Print to the browser... print "Content-Type: text/html \n\n"; # Load the file and keep spitting it out to the browser... while () { chomp; print "$_ "; } # Close the file and go home... close EP

3D
3D Photo Gallery (Part 1)
3D Photo Gallery (Part 2)

Audio
Poor Man's MIDI
Make A Metronome
iPod Tricks (Part 1)
iPod Tricks (Part 2)
iPod Tricks (Part 3)
Laugh Track Machine
Audio Player with Reverb
Shepard Melody
RB Phone Home
Build a Drum Machine

Custom Controls and Windows
Double Click Listbox
Draggable Metal Window
Double Click Canvas
Custom Buttons
Custom Buttons Part II
iTunes-style Listboxes
Custom Controls


General RB
Scrolling Windows
Using Mesage Dialogs
Case-Sensitive Word Finder
Introduction to Stacks
Wiggle Window
JPEG in PDF
Listbox Checkboxes
Background Applications
Listbox Auto-Find
Virtual Volumes
Time Tracker
Software Distribution (Part 1)
Software Distribution (Part 2)
Software Distribution (Part 3)
Software Distribution (Part 4)
Exceptions
Tips and Tricks
Text Clippings Made Easy

Graphics
Drawing a Simple Gradient
The SpriteSurface: Space Game
Image Spinner
Cropping Graphics (Part 1)
Cropping Graphics (Part 2)
Cropping Graphics (Part 3)
Cropping Graphics (Part 4)
Shimmer Graphics
Lissajous Figures
Simple Screen Capture
Vector Graphics
Kaleidoscope Images
Stegonography
Spirals!
Image Table
RB Magnifying Lens
Screen Capture
Color Picker Tutorial

Hacks
Ghost Grab
Speedy Mouse Extension
iTunes Plugins
iTunes Skinner

Mac OS X
Global Hot Key Event (Carbon Events)
Login Welcomer (Carbon Events)
Add/Remove Buttons
Resizable Sheets
Mac OS X Preferences Window
Using Sheets in REALbasic
Build a Bundle (Part 1)
Build a Bundle (Part 2)
Dock Your Passwords
Mac OS X Debugging
REALbasic Mac OS X Icon Tutorial
Animate Your Dock
RB and the Command Line

Menus
Window Menu
Templates Menu
Listbox Menu

Novelty
Guessing Game
Calendar Trivia
Tile Mixer
Zip Code Finder
Happy Valentine's Day
Merlin Simulator (Part 1)
Merlin Simulator (Part 2)
Merlin Simulator (Part 3)
Buzzword Machine
AppleSoft BASIC

Printing
Print to PDF

Registration
Registration Code Validation
Network Registration Codes

Resources
Picture Extractor (Part 1)
Picture Extractor (Part 2)

Serial
Caller ID (Part 1)
Caller ID (Part 2)
Caller ID (Part 3)

Speech
Speech Recognition

Socket Communication
Easy Peer-to-Peer File Sharing
MacPAD Version Checking
Display Web Image In Canvas
HTML IMG Tags
Version Tracking
Even Smarter Instant Messaging
Web Tiler
JavaScript and REALbasic
Stock Ticker (Part I)
Stock Ticker (Part 2)
AIM Mate

XML Manipulation
Simple XML Introduction

Video
Big Brother Video Capture

Note: All articles without a byline were written by Erick Tejkowski. When cleaning the site I removed them because the code differed from page to page, and I have yet to put them back in.

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REALbasic for Dummies
by Erick Tejkowski

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Big Brother is Watching You!
06-13-02




bestcaptureaction.jpg (17k) This week we'll build a video surveillance application. It's great fun for spying on your kid sis, keeping an eye on your toddler, or watching the sunset... all without leaving your computer. Not only is it fun and useful, but it's also really easy to get started with video in REALbasic. We'll show you how!


Preparation

06-13-02_besticon.jpg (11k) There's a new video and audio capture plug-in on the block: BESTCapture Plug-in from BEST Software Design. Visit their site and download the demo version of the plug-in. It is a commercial product, but the demo is fully functional with the exception of a nag screen. Once you have downloaded the plug-in, place it in the Plugins folder of REALbasic.


Build the Interface

Launch REALbasic. Open Window1 and add a BESTCapture Control to the window from the Toolbar. In the Properties window, turn on the Preview and EnableVideo properties by clicking them. Next, add a PushButton to the window. Arrange the interface to your liking. An example in OS 9 might look like this (this plug-in is OS X compatible too!):

06-13-02_interface.jpg (16k)

Close Window1 and create a new window by selecting File-New Window. The new window will be named Window2, but you don't have to do anything more to it. Simple, eh?

Source Code

Open Window1 again and double click PushButton1 to open the Code Editor. To its Action event, add the following code:

  dim p as picture
  dim preview As  Window2
  dim d as date 
  
  p = BESTCapture1.grabPicture(32)
  if p<>nil then
    preview = new Window2
    preview.backdrop = p 
    d=new date 
    preview.title = d.longdate 
    preview.width=p.width
    preview.height=p.height
  end if

Believe it or not, that's it! Select Debug-Run to test your code. If all goes well, you should see video when you launch the project. Keep in mind that you will need to have some kind of video source connected to your Mac for this to work. If you encounter troubles and still aren't seeing video as expected, check out the ShowVideoSettings method in the documentation for the plug-in.

Conclusion

That's all for this week. You can download the completed project. Have fun playing with your new toy and see you next week!






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Download REALbasic and create your own software!

#!/usr/bin/perl -w # # Copyright 2000 by Michael Coyle # Released under GPL. # # Call it with: # [an error occurred while processing this directive] # # Get the file name from the browser... $file_name = $ENV{'QUERY_STRING'}; # Open the file... open (EP, $file_name); # Print to the browser... print "Content-Type: text/html \n\n"; # Load the file and keep spitting it out to the browser... while () { chomp; print "$_ "; } # Close the file and go home... close EP #!/usr/bin/perl -w # # Copyright 2000 by Michael Coyle # Released under GPL. # # Call it with: # [an error occurred while processing this directive] # # Get the file name from the browser... $file_name = $ENV{'QUERY_STRING'}; # Open the file... open (EP, $file_name); # Print to the browser... print "Content-Type: text/html \n\n"; # Load the file and keep spitting it out to the browser... while () { chomp; print "$_ "; } # Close the file and go home... close EP