Adobe Photoshop CC 2014 v.14.xx - Manual (Page 550)

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Rotate the image using the crop tool to straighten it
To straighten an image do one of the following:
Place the pointer a little outside the corner handles and drag to rotate the image. A grid displays inside the crop box and the image
rotates behind it.
Click Straighten in the control bar and then using the Straighten tool, draw a reference line to straighten the photo. For example, draw a
line along the horizon or an edge to straighten the image along it.
See Straightening a Crooked Image to watch a video explaining straightening an image using the Crop tool.
Transform perspective while cropping
The Perspective Crop tool lets you transform the perspective in an image while cropping. Use the Perspective Crop tool when working with images
that contain keystone distortion. Keystone distortion occurs when an object is photographed from an angle rather than from a straight-on view. For
example, if you take a picture of a tall building from ground level, the edges of the building appear closer to each other at the top than they do at
the bottom.
Steps to transform perspective
A. Original image B. Adjust cropping marquee to match the object’s edges C. Final image
1. To correct image perspective, hold down the Crop tool and select the Perspective Crop tool .
2. Draw a marquee around the distorted object. Match the edges of the marquee to the rectangular edges of the object.
3. Press Enter (Windows) or Return (Mac OS) to complete the perspective crop.
Resize the canvas using the Crop tool
You can use the Crop tool to resize the image canvas.
1. From the toolbar, select the Crop Tool . Crop borders display on the edges of the image.
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