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  1. Photoshop User Guide
  2. Introduction to Photoshop
    1. Dream it. Make it.
    2. What's new in Photoshop
    3. Edit your first photo
    4. Create documents
    5. Photoshop | Common Questions
    6. Photoshop system requirements
    7. Get to know Photoshop
  3. Photoshop and other Adobe products and services
    1. Work with Illustrator artwork in Photoshop
    2. Work with Photoshop files in InDesign
    3. Substance 3D Materials for Photoshop
    4. Use the Capture in-app extension in Photoshop
  4. Photoshop on the iPad (not available in mainland China)
    1. Photoshop on the iPad | Common questions
    2. Get to know the workspace
    3. System requirements | Photoshop on the iPad
    4. Create, open, and export documents
    5. Add photos
    6. Work with layers
    7. Draw and paint with brushes
    8. Make selections and add masks
    9. Retouch your composites
    10. Work with adjustment layers
    11. Adjust the tonality of your composite with Curves
    12. Apply transform operations
    13. Crop and rotate your composites
    14. Rotate, pan, zoom, and reset the canvas
    15. Work with Type layers
    16. Work with Photoshop and Lightroom
    17. Get missing fonts in Photoshop on the iPad
    18. Japanese Text in Photoshop on the iPad
    19. Manage app settings
    20. Touch shortcuts and gestures
    21. Keyboard shortcuts
    22. Edit your image size
    23. Livestream as you create in Photoshop on the iPad
    24. Correct imperfections with the Healing Brush
    25. Create brushes in Capture and use them in Photoshop on the iPad
    26. Work with Camera Raw files
    27. Create and work with Smart Objects
    28. Adjust exposure in your images with Dodge and Burn
    29. Auto adjustment commands in Photoshop on the iPad
    30. Smudge areas in your images with Photoshop on the iPad
    31. Saturate or desaturate your images using Sponge tool
    32. Content aware fill for iPad
  5. Photoshop on the web (not available in mainland China)
    1. Common questions
    2. System requirements
    3. Keyboard shortcuts
    4. Supported file types
    5. Introduction to the workspace
    6. Open and work with cloud documents
    7. Generative AI features
    8. Basic concepts of editing
    9. Quick Actions
    10. Work with layers
    11. Retouch images and remove imperfections
    12. Make quick selections
    13. Image improvements with Adjustment Layers
    14. Move, transform, and crop images
    15. Draw and paint
    16. Work with Type layers
    17. Work with anyone on the web
    18. Manage app settings
    19. Generate Image
    20. Generate Background
    21. Reference Image
  6. Photoshop (beta) (not available in mainland China)
    1. Get started with Creative Cloud Beta apps
    2. Photoshop (beta) on the desktop
    3. Generate image with descriptive text prompts
    4. Generate background with descriptive text prompts
  7. Generative AI (not available in mainland China) 
    1. Common questions on generative AI in Photoshop
    2. Generative Fill in Photoshop on the desktop
    3. Generative Expand in Photoshop on the desktop
    4. Generative Fill in Photoshop on the iPad
    5. Generative Expand in Photoshop on the iPad
    6. Generative AI features in Photoshop on the web
  8. Content authenticity (not available in mainland China)
    1. Content credentials in Photoshop
    2. Identity and provenance for NFTs
    3. Connect accounts for creative attribution
  9. Cloud documents (not available in mainland China)
    1. Photoshop cloud documents | Common questions
    2. Photoshop cloud documents | Workflow questions
    3. Manage and work with cloud documents in Photoshop
    4. Upgrade cloud storage for Photoshop
    5. Unable to create or save a cloud document
    6. Solve Photoshop cloud document errors
    7. Collect cloud document sync logs
    8. Invite others to edit your cloud documents
    9. Share files and comment in-app
  10. Workspace
    1. Workspace basics
    2. Preferences
    3. Learn faster with the Photoshop Discover Panel
    4. Create documents
    5. Place files
    6. Default keyboard shortcuts
    7. Customize keyboard shortcuts
    8. Tool galleries
    9. Performance preferences
    10. Use tools
    11. Presets
    12. Grid and guides
    13. Touch gestures
    14. Use the Touch Bar with Photoshop
    15. Touch capabilities and customizable workspaces
    16. Technology previews
    17. Metadata and notes
    18. Touch capabilities and customizable workspaces
    19. Place Photoshop images in other applications
    20. Rulers
    21. Show or hide non-printing Extras
    22. Specify columns for an image
    23. Undo and history
    24. Panels and menus
    25. Position elements with snapping
    26. Position with the Ruler tool
  11. Web, screen, and app design
    1. Photoshop for design
    2. Artboards
    3. Device Preview
    4. Copy CSS from layers
    5. Slice web pages
    6. HTML options for slices
    7. Modify slice layout
    8. Work with web graphics
    9. Create web photo galleries
  12. Image and color basics
    1. How to resize images
    2. Work with raster and vector images
    3. Image size and resolution
    4. Acquire images from cameras and scanners
    5. Create, open, and import images
    6. View images
    7. Invalid JPEG Marker error | Opening images
    8. Viewing multiple images
    9. Customize color pickers and swatches
    10. High dynamic range images
    11. Match colors in your image
    12. Convert between color modes
    13. Color modes
    14. Erase parts of an image
    15. Blending modes
    16. Choose colors
    17. Customize indexed color tables
    18. Image information
    19. Distort filters are unavailable
    20. About color
    21. Color and monochrome adjustments using channels
    22. Choose colors in the Color and Swatches panels
    23. Sample
    24. Color mode or Image mode
    25. Color cast
    26. Add a conditional mode change to an action
    27. Add swatches from HTML CSS and SVG
    28. Bit depth and preferences
  13. Layers
    1. Layer basics
    2. Nondestructive editing
    3. Create and manage layers and groups
    4. Select, group, and link layers
    5. Place images into frames
    6. Layer opacity and blending
    7. Mask layers
    8. Apply Smart Filters
    9. Layer comps
    10. Move, stack, and lock layers
    11. Mask layers with vector masks
    12. Manage layers and groups
    13. Layer effects and styles
    14. Edit layer masks
    15. Extract assets
    16. Reveal layers with clipping masks
    17. Generate image assets from layers
    18. Work with Smart Objects
    19. Blending modes
    20. Combine multiple images into a group portrait
    21. Combine images with Auto-Blend Layers
    22. Align and distribute layers
    23. Copy CSS from layers
    24. Load selections from a layer or layer mask's boundaries
    25. Knockout to reveal content from other layers
  14. Selections
    1. Get started with selections
    2. Make selections in your composite
    3. Select and Mask workspace
    4. Select with the marquee tools
    5. Select with the lasso tools
    6. Adjust pixel selections
    7. Move, copy, and delete selected pixels
    8. Create a temporary quick mask
    9. Select a color range in an image
    10. Convert between paths and selection borders
    11. Channel basics
    12. Save selections and alpha channel masks
    13. Select the image areas in focus
    14. Duplicate, split, and merge channels
    15. Channel calculations
  15. Image adjustments
    1. Replace object colors
    2. Perspective warp
    3. Reduce camera shake blurring
    4. Healing brush examples
    5. Export color lookup tables
    6. Adjust image sharpness and blur
    7. Understand color adjustments
    8. Apply a Brightness/Contrast adjustment
    9. Adjust shadow and highlight detail
    10. Levels adjustment
    11. Adjust hue and saturation
    12. Adjust vibrance
    13. Adjust color saturation in image areas
    14. Make quick tonal adjustments
    15. Apply special color effects to images
    16. Enhance your image with color balance adjustments
    17. High dynamic range images
    18. View histograms and pixel values
    19. Match colors in your image
    20. Crop and straighten photos
    21. Convert a color image to black and white
    22. Adjustment and fill layers
    23. Curves adjustment
    24. Blending modes
    25. Target images for press
    26. Adjust color and tone with Levels and Curves eyedroppers
    27. Adjust HDR exposure and toning
    28. Dodge or burn image areas
    29. Make selective color adjustments
  16. Adobe Camera Raw
    1. Camera Raw system requirements
    2. What's new in Camera Raw
    3. Introduction to Camera Raw
    4. Create panoramas
    5. Supported lenses
    6. Vignette, grain, and dehaze effects in Camera Raw
    7. Default keyboard shortcuts
    8. Automatic perspective correction in Camera Raw
    9. Radial Filter in Camera Raw
    10. Manage Camera Raw settings
    11. Open, process, and save images in Camera Raw
    12. Repair images with the Enhanced Spot Removal tool in Camera Raw
    13. Rotate, crop, and adjust images
    14. Adjust color rendering in Camera Raw
    15. Process versions in Camera Raw
    16. Make local adjustments in Camera Raw
  17. Image repair and restoration
    1. Remove objects from your photos with Content-Aware Fill
    2. Content-Aware Patch and Move
    3. Retouch and repair photos
    4. Correct image distortion and noise
    5. Basic troubleshooting steps to fix most issues
  18. Image enhancement and transformation
    1. Replace sky in your images
    2. Transform objects
    3. Adjust crop, rotation, and canvas size
    4. How to crop and straighten photos
    5. Create and edit panoramic images
    6. Warp images, shapes, and paths
    7. Vanishing Point
    8. Content-aware scaling
    9. Transform images, shapes, and paths
  19. Drawing and painting
    1. Paint symmetrical patterns
    2. Draw rectangles and modify stroke options
    3. About drawing
    4. Draw and edit shapes
    5. Painting tools
    6. Create and modify brushes
    7. Blending modes
    8. Add color to paths
    9. Edit paths
    10. Paint with the Mixer Brush
    11. Brush presets
    12. Gradients
    13. Gradient interpolation
    14. Fill and stroke selections, layers, and paths
    15. Draw with the Pen tools
    16. Create patterns
    17. Generate a pattern using the Pattern Maker
    18. Manage paths
    19. Manage pattern libraries and presets
    20. Draw or paint with a graphics tablet
    21. Create textured brushes
    22. Add dynamic elements to brushes
    23. Gradient
    24. Paint stylized strokes with the Art History Brush
    25. Paint with a pattern
    26. Sync presets on multiple devices
    27. Migrate presets, actions, and settings
  20. Text
    1. Add and edit the text
    2. Unified Text Engine
    3. Work with OpenType SVG fonts
    4. Format characters
    5. Format paragraphs
    6. How to create type effects
    7. Edit text
    8. Line and character spacing
    9. Arabic and Hebrew type
    10. Fonts
    11. Troubleshoot fonts
    12. Asian type
    13. Create type
  21. Filters and effects
    1. Use the Blur Gallery
    2. Filter basics
    3. Filter effects reference
    4. Add Lighting Effects
    5. Use the Adaptive Wide Angle filter
    6. Use the Oil Paint filter
    7. Use the Liquify filter
    8. Layer effects and styles
    9. Apply specific filters
    10. Smudge image areas
  22. Saving and exporting
    1. Save your files in Photoshop
    2. Export your files in Photoshop
    3. Supported file formats
    4. Save files in graphics formats
    5. Move designs between Photoshop and Illustrator
    6. Save and export video and animations
    7. Save PDF files
    8. Digimarc copyright protection
  23. Color Management
    1. Understanding color management
    2. Keeping colors consistent
    3. Color settings
    4. Duotones
    5. Work with color profiles
    6. Color-managing documents for online viewing
    7. Color-managing documents when printing
    8. Color-managing imported images
    9. Proofing colors
  24. Web, screen, and app design
    1. Photoshop for design
    2. Artboards
    3. Device Preview
    4. Copy CSS from layers
    5. Slice web pages
    6. HTML options for slices
    7. Modify slice layout
    8. Work with web graphics
    9. Create web photo galleries
  25. Video and animation
    1. Video editing in Photoshop
    2. Edit video and animation layers
    3. Video and animation overview
    4. Preview video and animations
    5. Paint frames in video layers
    6. Import video files and image sequences
    7. Create frame animations
    8. Creative Cloud 3D Animation (Preview)
    9. Create timeline animations
    10. Create images for video
  26. Printing
    1. Print 3D objects
    2. Print from Photoshop
    3. Print with color management
    4. Contact Sheets and PDF Presentations
    5. Print photos in a picture package layout
    6. Print spot colors
    7. Print images to a commercial printing press
    8. Improve color prints from Photoshop
    9. Troubleshoot printing problems | Photoshop
  27. Automation
    1. Creating actions
    2. Create data-driven graphics
    3. Scripting
    4. Process a batch of files
    5. Play and manage actions
    6. Add conditional actions
    7. About actions and the Actions panel
    8. Record tools in actions
    9. Add a conditional mode change to an action
    10. Photoshop UI toolkit for plug-ins and scripts
  28. Troubleshooting
    1. Fixed issues 
    2. Known issues
    3. Optimize Photoshop performance
    4. Basic troubleshooting
    5. Troubleshoot crash or freeze
    6. Troubleshoot program errors
    7. Troubleshoot scratch disk full errors
    8. Troubleshoot GPU and graphics driver issues
    9. Find missing tools
    10. Photoshop 3D | Common questions around discontinued features

Slices divide an image into smaller images that are reassembled on a web page using an HTML table or CSS layers. By dividing the image, you can assign different URL links to create page navigation, or optimize each part of an image using its own optimization settings.

You export and optimize a sliced image using the Save For Web command. Photoshop saves each slice as a separate file and generates the HTML or CSS code needed to display the sliced image.

Photoshop Web page divided into slices
Web page divided into slices.

When you work with slices, keep these basics in mind:

  • You can create a slice by using the Slice tool or by creating layer-based slices.

  • After you create a slice, you can select it using the Slice Select tool  and then move, resize, or align it with other slices.

  • You can set options for each slice—such as slice type, name, and URL—in the Slice Options dialog box.

  • You can optimize each slice using different optimization settings in the Save For Web dialog box.

Slice types

Slices are categorized by their content type (Table, Image, No Image) and by the way they are created (user, layer-based, auto).

Slices created with the Slice tool are called user slices; slices created from a layer are called layer-based slices. When you create a new user slice or layer-based slice, additional auto slices are generated to account for the remaining areas of the image. In other words, auto slices fill the space in the image that is not defined by user slices or layer-based slices. Auto slices are regenerated every time you add or edit user slices or layer‑based slices. You can convert auto slices to user slices.

User slices, layer-based slices, and auto slices look different—user slices and layer-based slices are defined by a solid line, whereas auto slices are defined by a dotted line. In addition, user slices and layer-based slices display a distinct icon. You can choose to show or hide auto slices, which can make your work with user-slices and layer-based slices easier to view.

A subslice is a type of auto slice that is generated when you create overlapping slices. Subslices indicate how the image is divided when you save the optimized file. Although subslices are numbered and display a slice symbol, you cannot select or edit them separately from the underlying slice. Subslices are regenerated every time you arrange the stacking order of slices.

Slices are created using different methods:

  • Auto slices are automatically generated.

  • User slices are created with the Slice tool.

  • Layer-based slices are created with the Layers panel.

Slice a web page

You can use the slice tool to draw slice lines directly on an image, or design your graphic using layers, and then create slices based on the layers.

Create a slice with the Slice tool

  1. Select the Slice tool  . (Press the C key to cycle through tools grouped with the Crop too.)

    Any existing slices automatically appear in the document window.

  2. Choose a style setting in the options bar:

    Normal

    Determines slice proportions as you drag.

    Fixed Aspect Ratio

    Sets a height-to-width ratio. Enter whole numbers or decimals for the aspect ratio. For example, to create a slice twice as wide as it is high, enter 2 for the width and 1 for the height.

    Fixed Size

    Specifies the slice's height and width. Enter pixel values in whole numbers.

  3. Drag over the area where you want to create a slice. Shift-drag to constrain the slice to a square. Alt-drag (Windows) or Option-drag (Mac OS) to draw from the center. Use View > Snap To to align a new slice to a guide or another slice in the image. See Move, resize, and snap user slices.

Create slices from guides

  1. Add guides to an image.
  2. Select the Slice tool, and click Slices From Guides in the options bar.

    When you create slices from guides, any existing slices are deleted.

Create a slice from a layer

A layer-based slice encompasses all the pixel data in the layer. If you move the layer or edit the layer's content, the slice area automatically adjusts to include the new pixels.

Photoshop create a slice from a layer
A layer-based slice is updated when the source layer is modified.

Layer-based slices are less flexible than user slices; however, you can convert ("promote") a layer-based slice to a user slice. See Convert auto and layer-based slices to user slices.

  1. Select a layer in the Layers panel.
  2. Choose Layer > New Layer-based Slice.
Poznámka:

Don't use a layer-based slice when you plan to move the layer over a large area of the image during an animation, because the slice dimension may exceed a useful size.

Convert auto and layer-based slices to user slices

A layer-based slice is tied to the pixel content of a layer, so the only way to move, combine, divide, resize, and align it is to edit the layer—unless you convert it to a user slice.

All auto slices in an image are linked and share the same optimization settings. If you want to set different optimization settings for an auto slice, you need to promote it to a user slice.

  1. Using the Slice Select tool  , select one or more slices to convert.
  2. Click Promote in the options bar.

View slices and slice options

You can view slices in Photoshop and the Save For Web dialog box. The following characteristics can help you identify and differentiate between slices:

Slice lines

Define the boundary of the slice. Solid lines indicate that the slice is a user slice or layer-based slice; dotted lines indicate that the slice is an auto slice.

Slice colors

Differentiate user slices and layer‑based slices from auto slices. By default, user slices and layer-based slices have blue symbols, and auto slices have gray symbols.

In addition, the Save For Web dialog box uses color adjustments to dim unselected slices. These adjustments are for display purposes only and do not affect the color of the final image. By default, the color adjustment for auto slices is twice the amount of that for user slices.

Slice numbers

Slices are numbered  from left to right and top to bottom, beginning in the upper-left corner of the image. If you change the arrangement or total number of slices, slice numbers are updated to reflect the new order.

Slice badges

The following badges, or icons, indicate certain conditions.

User slice has Image content.

User slice has No Image content.

Slice is layer-based.

Show or hide slice boundaries

  1. Choose View > Show > Slices. To hide and show slices along with other items, use the Extras command. See Show or hide Extras.

Show or hide auto slices

  1. Do one of the following:
    • Select the Slice Select tool , and click Show Auto Slices or Hide Auto Slices in the options bar.

    • Choose View > Show > Slices. Auto slices appear with the rest of your slices.

Show or hide slice numbers

  1. Do one of the following:
    • In Windows, choose Edit > Preferences > Guides, Grid & Slices.

    • In Mac OS, choose Photoshop > Preferences > Guides, Grid & Slices.

  2. Under Slices, click Show Slice Numbers.

Change the color of slice lines

  1. In Windows, choose Edit > Preferences > Guides, Grid & Slices; in Mac OS, choose Photoshop > Preferences > Guides, Grid & Slices.
  2. Under Slice Lines, choose a color from the Line Color menu.

    After the color change, selected slice lines are automatically displayed in a contrasting color.

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