Copyright © 2007-2009 by Apple Inc.  All Rights Reserved.

Quartz Composer Application

ImageResizer                    An application that explains how to use Image Resizer 

                        composition from the composition repository to resize an image.

Sample Requirements             The project was created using the Xcode running under 

                        Mac OS X 10.6.x or later. The supplied Quartz Composer compositions 

                        were created using the Quartz Composer editor running under 

                        Mac OS X 10.6.x or later.

About the sample                In the sample, the user can drag an image into the preview 

                        window on the right. This preview window is an QCView object. 

                        It handles the events such as draggingEntered, DraggingExit, 

                        and so on. Once an image is in the QCView, the original image is shown, 

                        and the parameters for resizing the image are shown in a                                QCCompositionParameterView window. When the input parameters are 

                        changed, a QCRenderer is called to produce the resized image and 

                        the image will be updated in the QCView window. The user can also 

                        drag the resized image from the preview window to other location 

                        to make a copy of the image.

Using the Sample                Open the project using the Xcode editor which can be found in 

                        /Developer/Applications. Build the project and run. Drag an image 

                        into the preview window, edit the resize parameters and drag the 

                        image to other location to make a copy.

Installation                    n/a

Changes from Previous Versions          n/a

Feedback and Bug Reports            Please send all feedback about this sample to:

                        http://developer.apple.com/contact/feedback.html

                        Please submit any bug reports about this example to 

                        http://developer.apple.com/bugreport