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17.9 - The Zoom Tool


Zoom & De-Zoom Button

This tool allow you to zoom into the image, or if already zoomed, return the original non-zoomed image. The Zoom tool is activated by clicking on the zoom icon's upper right-hand corner located at the end of the Operation Tool Bar. Once the Zoom icon has been selected, your pointer will look like this: . Place the Zoom pointer over the view to be zoomed. Press and hold the left mouse button to select the zoom area. The zoom region rectangle is sized with the left mouse button, and is repositioned using both mouse buttons. Release both mouse buttons once the zoom rectangle is the desired size and position. This will zoom the area based on the size of the rectangle, and its relative position. A zoom will always occur with the center of the zoom being the center of the rectangle. Once an image is zoomed it can be zoomed any number of levels, down to 1 pixel filling the view. This is done by simply following the above procedure as many times as necessary. A simple 2x zoom can be accomplished by just clicking on the view with the zoom pointer. You also have the capability to scroll a zoomed area using the provided scroll bars.

The De-zoom tool will de-zoom all levels of magnification back to the original un-zoomed image. This is done by simply selecting the bottom of left-hand corner of the zoom icon. You can perform any of the operations at any zoom level. The De-zoom control can also be used to cause a "negative zoom" on a currently unzoomed image view. This is done by clicking on the De-zoom icon, and then clicking on an image view that is not currently zoomed. F/x will automatically perform a 2x negative zoom. This means that the image will appear to be surrounded by a solid color (this is set in the Display menu's Set Off Image Color option). Negative zooms can be extremely useful for placement of effects (animated and still) off the edge of an image. The effect will only appear on the image, but you can place part or all of the area selection off of the image. The image below shows a negative zoom image with an effect that was placed partially off of the image.

17.9.0.1 - Modal Zoom

The Modal Zoom option is located in the Settings menu. This option alters the way that a zoom is performed by the program. If this option is not selected (default) the zoom will behave as follows:

  1. Once the Zoom icon has been selected, place the Zoom pointer over the view to be zoomed.
  2. Press and hold the left mouse button to select the zoom area. The zoom region rectangle is sized with the left mouse button, and is repositioned using both mouse buttons. Release both mouse buttons once the zoom rectangle is the desired size and position. This will zoom the area based on the size of the rectangle, and its relative position. A zoom will always occur with the center of the zoom being the center of the rectangle.
  3. Once an image is zoomed it can be zoomed any number of levels, down to 1 pixel filling the view. This is done by simply following the above procedure as many times as necessary. A simple 2x zoom can be accomplished by just clicking on the view with the zoom pointer. You also have the capability to scroll a zoomed area using the provided scroll bars.

If this control is selected, the zoom tool will behave as follows:

  1. Press the zoom icon. You should notice that the zoom icon is now pressed in. This means that you are in zoom mode, and no other action will occur in the image views except zooming.
  2. To zoom in on an image left click the over the area you wish to zoom. To zoom in further left click again. You can continue to zoom in by left clicking, or you may select to zoom out by right clicking.
  3. After you have finished zooming or de-zooming the image, double click the zoom icon on the tool bar to turn zooming off.
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