- Using the main application features
- Using the panels
- Tools on the Tools panel
- Changing the image size
- Choosing a bits per channel mode
- Cropping and rotating images
- Using the Layers panel
- Creating adjustment layers
- Editing adjustment layers
- Limiting the effect of an adjustment layer
- Saving adjustment presets
- Merging and deleting adjustment layers
- Working with layer groups
- Applying content-aware scaling
- Choosing a mode for the History panel
- Making snapshots of history states
- Working with nonlinear histories
- Using presets
- Streamlining your workflow
Editing adjustment layers
To change the settings for an adjustment layer:
- On the Layers panel, double-click an adjustment layer thumbnail to display its settings on the Adjustments panel (or click an adjustment layer and show the Adjustments panel).B
- Do either or both of the following:
- Edit the settings.C
- For the Levels, Curves, Exposure, Hue/Saturation, Black & White, or Channel Mixer adjustment type, choose a preset from the menu at the top of the panel.
By holding down the View Previous State button, you can temporarily display the image without any new settings you have chosen for the currently selected adjustment layer.
To view the image without the current adjustments:
- On the Layers panel, double-click an adjustment layer thumbnail to display its settings on the Adjustments panel, then edit the settings.A
- To toggle the latest edits off and on, press and hold the View Previous State button or the \ key, then release.B
To hide the effect of an adjustment layer:
- Click the visibility icon on the Adjustments panel or Layers panel; click it again to redisplay.
- The Reset button either undoes the most recent changes made to an adjustment layer (if any) since the document was opened or restores the default settings. The button icon changes depending on whether you have changed the adjustment layer settings.
To reset an adjustment layer:
- On the Layers panel, double-click an adjustment layer thumbnail to select the layer and show the Adjustments panel.
- Edit the settings.
- Click the Reset to Previous State button to cancel the current changes (restore the last settings).
- Click the Reset to Adjustment Defaults button to restore the default settings.
- To undo the last individual slider, check box, or other adjustment edit, press Ctrl-Z/Cmd-Z.