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ADOBE PHOTOSHOP CS2
User Guide
• Crop with rotation and resize
• Fill and stroke (no pattern fill, supported blend modes only)
• Image Size and Canvas Size commands
• Trim command
• Arbitrary rotation and 90˚ rotation and flips
• Blend modes: Normal, Multiply, Difference, Lighten, Darken, Linear Dodge
• Free Transform command
• The following tools in the toolbox: Clone Stamp tool (supported blend modes only), and History Brush (supported
blend modes only)
• Display of floating-point values in the Info palette
• Conversion to 8- or 16-bits-per-channel documents, and conversion from 16-bits-per-channel to 32-bits-per-
channel
• Conversion between RGB and Grayscale modes
• Support of the following file formats: PSD/PSB, TIFF, LogLUV TIFF (read-only), Radiance HDR, PFM, OpenEXR
• Support for the following image adjustment commands: Channel Mixer, Photo Filter, and Exposure.
• Support for the following plug-in filters: Average, Radial Blur, Fibers, Lens Flare, DeInterlace, and NTSC Colors
• Support for the following built-in filters: Surface Blur, Box Blur, Gaussian Blur, Motion Blur, Sampled/Shape Blur,
Add Noise, Unsharp Mask, High Pass, Offset
• Save Selection and Load Selection commands
To work with certain Photoshop features, such as layers, filters, and adjustments, you can convert a 32-bits-per-
channel image to a 16-bits-per-channel image. Do a Save As and convert a copy of the image file so that the original
file retains the full 32-bits-per-channel image data.
Note: It’s also possible to convert a 32-bits-per-channel image to 8 bits per channel. See “To convert from 32 bits to 8 or
16 bits per channel” on page 205.
See also
“About High Dynamic Range images” on page 201
To convert between 8 bits and 16 bits per channel
❖ Choose Image > Mode > 16 Bits/Channel or 8 Bits/Channel.
To convert from 16 bits to 32 bits per channel
1 Open a 16-bit image. If necessary, flatten the image. Only flat images can be converted to 32-bits-per-channel
mode.
2 Choose Image > Mode > 32 Bits/Channel.
Note: It’s also possible to convert a 32-bits-per-channel image to 8-bits-per-channel. See “To convert from 32 bits to 8 or
16 bits per channel” on page 205.
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