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along two numbers. selects the composite channel, selects the Red channel, the Green channel and so on. The Tilde key has also changed use. Prior to CS4 selected the composite color channels (after selecting a Red, Green or Blue channel). It now toggles between open window documents. Another handy zoom shortcut is to zoom in and to Zoom out (note the key is really the key). If your mouse has a wheel and ‘Zoom with Scroll Wheel’ is selected in the preferences, you can use it with the key held down to zoom in or out. If OpenGL is enabled you can carry out a continuous zoom by simply holding down the zoom tool (and use to zoom out). If you have a recent Macintosh Pro Laptop, CS5 supports two-fingered zoom gestures such as drawing two fingers together to zoom in and spreading two fingers apart to zoom out.

Windows 7 Multi-touch support

If you are using Windows 7 operating system and have multi-touch aware hardware, CS5 now supports touch zoom in and out, touch pan/flicking as well as touch canvas rotation.

Rotate view tool

If OpenGL is enabled in the Performance preferences, you can use the rotate view tool to rotate the Photoshop image canvas (as shown below in Figure 1.75). Having the ability to quickly rotate the image view can sometimes make it easier to carry out certain types of retouching work, rather that be forced to draw or paint at an uncomfortable angle. To use the rotate view tool, first select it from the Tools panel (or use the keystroke) and click and drag in the window to rotate the image around the center axis. As you do this, you will see a compass overlay that indicates the image position relative to the default view angle (indicated in red). This can be useful when you are zoomed in close on an image. To reset the view angle to ‘Normal’ again, just hit the key or click on the Reset View button in the Options bar.

Figure 1.75 This shows the rotate view tool in action.Photograph: Eric Richmond.

Rotate view shortcut

The rotate view tool uses the keyboard shortcut, which was previously assigned (before CS4) to the blur/sharpen/sponge tool set. I reckon this has been generally accepted as a positive move, but you can if desired, use the Keyboard Shortcuts menu described on page 23 to reassign the keyboard shortcuts to whichever scheme you prefer.

Notes tool

The notes tool is handy for adding sticky notes to open images. Open note windows were removed in CS4 and Photoshop instead now uses a Notes panel (Figure 1.76) to store recorded note messages. This method makes the notes display and management easy to control. I use this tool quite a lot at work, because when a client calls me to discuss a retouching job, I can open the image, click on the area that needs to be worked on and use the Notes panel to type in the instructions for whatever further retouching needs to be done to the image (often with the receiver in one hand and me typing with the other!) If the client you are working with has Photoshop, they can use the notes feature to mark up images directly, which when opened in Photoshop can be inspected as shown in Figure 1.77 below.

Figure 1.76 The Notes panel.

Figure 1.77 This shows an example of the notes tool being used to annotate an image.Client: Gallagher Horner. Model: Veronica at M&P

Screen view modes

In Figure 1.78 I have highlighted the Application bar screen view mode options, which allow you to switch between the three main screen view modes. The standard screen view displays the application window the way it has been shown in all the previous screen shots and lets you view the document windows as floating windows or tabbed to the dock area. In Full Screen Mode with Menu Bar, the frontmost document fills the screen, while allowing you to see the menus and panels. Lastly, the Full screen view mode displays a full screen view with the menus and panels hidden.

Figure 1.78 This shows examples of two of the three screen view modes for the Photoshop interface. Here you can see the Standard Screen Mode view (top) and Full Screen Mode with Menu