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A Nokia Developer Qt Quick example application demonstrating real-time camera image manipulation.

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README.md

MirrorHouse

This Qt Quick example application demonstrates how to use the QCamera from the Qt Mobility Multimedia module and how to create a circus-style mirror effect with it. The application shows how to manipulate camera frames in real time.

This example application is hosted in Nokia Developer Projects:

For more information on implementation visit the wiki pages:

What's new in version 1.3

Experimental Harmattan version is merged with the main project.

1. Usage

Touch the mirror to enable get use of secondary camera and try to pinch in/out mirror for zooming it.

2. Prerequisites

  • Qt basics
  • Qt Quick basics
  • Manipulating image data manually

3. Project structure and implementation

3.1 Folders

| The root folder contains the project file, resource files, | the license information, this file (release notes) and the | source/qml files. | |- gfx Contains application graphics. | |- icons Contains application icons. | |- qtc_packaging Contains the Harmattan (Debian) packaging files.

4. Compatibility

  • Symbian devices with Qt 4.7.4 and Qt Mobility 1.2.1.
  • Nokia N9 (MeeGo 1.2 Harmattan), only experimental target with severe performance problems.

Tested to work on Nokia N8-00, E7-00 and N9. Developed with Qt SDK 1.2.

4.1 Required Capabilities

None; The application can be self signed on Symbian.

4.2 Known Issues

The performance in Harmattan is poor due to the use of Raster graphics system.

5. Building, installing, and running the application

5.1 Preparations

Check that you have the latest Qt SDK installed in the development environment and the latest Qt version on the device.

5.2 Using the Qt SDK

You can install and run the application on the device by using the Qt SDK. Open the project in the SDK, set up the correct target (depending on the device platform), and click the Run button. For more details about this approach, visit the Qt Getting Started section at Nokia Developer (http://www.developer.nokia.com/Develop/Qt/Getting_started/).

5.3 Symbian device

Make sure your device is connected to your computer. Locate the .sis installation file and open it with Ovi Suite. Accept all requests from Ovi Suite and the device. Note that you can also install the application by copying the installation file onto your device and opening it with the Symbian File Manager application.

After the application is installed, locate the application icon from the application menu and launch the application by tapping the icon.

5.4 Nokia N9 and Nokia N950

Copy the application Debian package onto the device. Locate the file with the device and run it; this will install the application. Note that you can also use the terminal application and install the application by typing the command 'dpkg -i .deb' on the command line. To install the application using the terminal application, make sure you have the right privileges to do so (e.g. root access).

Once the application is installed, locate the application icon from the application menu and launch the application by tapping the icon.

6. License

See the license text file delivered with this project. The license file is also available online at http://projects.developer.nokia.com/mirrorhouse/browser/trunk/Licence.txt

7. Related documentation

Harmattan camera issues:

GOOM (Graphics memory handling)

8. Version history

1.3.1 Minor fixes. 1.3.0 Harmattan supporta addend. Memory usage optimizations. 1.2.0 Initial release with the new template.

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