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Working with images in Preview

From: Mac OS X Mountain Lion Essential Training

Video: Working with images in Preview

Mountain Lion's Preview application serves not only is a way to view graphics and PDF files, but also as a light editor. We'll begin our look at Preview by examining how it works with image files. So to do this I'm going to go to my Documents folder, and I'll double click on an image, and automatically that image will open by default in Preview. Now the Tool bar includes the kind of tools that you want to use most commonly, and that includes zoom tools. So zoom in, zoom out.

Working with images in Preview

Mountain Lion's Preview application serves not only is a way to view graphics and PDF files, but also as a light editor. We'll begin our look at Preview by examining how it works with image files. So to do this I'm going to go to my Documents folder, and I'll double click on an image, and automatically that image will open by default in Preview. Now the Tool bar includes the kind of tools that you want to use most commonly, and that includes zoom tools. So zoom in, zoom out.

If you want to share this, click on the Share button, you can email it, you can send it through a Message. You can AirDrop between computers, post it on Twitter, post it on Facebook, post it on Flickr, or you can add it to iPhoto. You can also rotate your images, and you can annotate them, and here's the annotation button, so click on that. Once you do that you have a variety of tools. First one is a rectangle. So if I wanted to call something out, I can draw a rectangle like that, and if I choose to, I can change the thickness of the line around it.

We're going to undo all this to get rid of the rectangle. I can also draw an oval. I can create a line. Let's make these lines a little bit bigger so can see. I could choose to create an arrow. Choose the arrow style.

I can add a text box. I can add a text bubble. Click outside and I can get rid of it by selecting it. I can make a little dream bubble if I like, and we'll get rid of that. And then I can choose the fonts that I use within these bubbles or within some kind of text box.

You can also choose a variety of selection styles. So I can select this area, and I might want to copy this, for example, and then I can choose New from Clipboard, and I have just that area that I highlighted. And no, I don't want to save it. You can do the same kind of things except now you have an oval or round selection tool.

Copy, New from Clipboard, and you can also choose a lasso style. So I wanted to just select this portion of the flower, I can do that then Copy that bit, New from Clipboard, and there's that clip. Now this is a pretty rough selection. Fortunately there are some tools built in that help you create a better selection. So with this Outliner Tool I can make a much broader selection.

Again I'm going to draw it very roughly here. And when the points meet and I'd let go, now I've got my selection. This is much closer than what I selected with Lasso Tool. Or you can create an alpha mask. So I'll click somewhere I'll just start highlighting this yellow color, and I'm doing this by dragging a little bit to the right. If I continue doing that, you notice that it selects more of the colors as it goes outside that yellow spectrum, but I'll drag back to the left, grab just the yellow.

Now that yellow is selected, so I'll copy that, New from Clipboard, and you see I have a much better outline, just using this simple tool. I'll get rid of that. I can also crop if I like, so I'll click this off, go back to the Rectangle Selection Tool, and now I can crop the image. I'll undo that. And if I like I can also change the color, very much like iPhoto. So bring in some Highlights, I can change the Exposure, bright, darker, change the Contrast.

Blow up the Highlights, blow up the Shadows, change Saturation, change the Color Temperature, Tint, make it old fashioned-looking, kind of like that, and I can change the Sharpness. To get rid of that just Reset All and you're back to your original image. There are some helpful things in the Tools menu as well. First, you can show the Magnifier, and this gives you a chance to look at the details of your images. We've already looked at Adjust Color, but you can also adjust the size of your image.

So as you can see this is quite a large image, but I can change it so, we'll make this instead, say, 10 inches wide, and click on OK. So if you need to quickly resize an image you can do that with Preview. And if you have a lot of different images open, you can view them as a Slideshow. I have just the one image here so I don't need to do that, but you can if you want, or you can choose to Enter Full Screen. Finally, you can also use Preview to change the image format, so choose File and then Export.

Currently, I have a JPEG, but I can use a different format. So I can change this to a PDF, a PNG, a TIFF file, or a couple of other different file formats. And we'll cancel out. Again, as with TextEdit, Apple packs a reasonable amount of power into a seemingly simple application. You can try these tricks with your image files as well, but we're not quite done with Preview yet. In another movie, I'll show what Preview can do with PDF files.

Show transcript

This video is part of

Image for Mac OS X Mountain Lion Essential Training
Mac OS X Mountain Lion Essential Training

76 video lessons · 21140 viewers

Christopher Breen
Author

 
Expand all | Collapse all
  1. 1m 4s
    1. Welcome
      1m 4s
  2. 6m 56s
    1. Installing Mountain Lion
      6m 56s
  3. 47m 16s
    1. Personalizing the interface
      4m 11s
    2. Touring the Finder
      3m 29s
    3. Staying current with Software Update
      2m 52s
    4. Configuring Gatekeeper settings
      3m 17s
    5. Getting on the Internet
      5m 36s
    6. Setting up iCloud
      4m 55s
    7. Understanding AutoSave and documents in the cloud
      4m 42s
    8. Configuring Mail, Contacts, and Calendar
      4m 33s
    9. Configuring your printer
      3m 39s
    10. Protecting your data with Time Machine
      4m 28s
    11. Learn your way around the Mac App Store
      5m 34s
  4. 11m 17s
    1. Finding files with Spotlight
      6m 6s
    2. Digging deeper with Finder searches
      5m 11s
  5. 23m 35s
    1. Configuring basic personal preferences
      11m 15s
    2. Adjusting Input Device preferences
      9m 38s
    3. Examining the basic system preferences
      2m 42s
  6. 1h 13m
    1. Organizing workspaces with Mission Control
      5m 49s
    2. Modifying Language & Text settings
      4m 5s
    3. Optimizing Security & Privacy settings
      6m 18s
    4. Getting notifications
      4m 38s
    5. Configuring displays and AirPlay
      2m 20s
    6. Using Energy Saver
      6m 1s
    7. Setting up Bluetooth wireless devices
      3m 39s
    8. Sharing files on a network
      6m 1s
    9. Configuring sharing
      6m 28s
    10. Editing your users and groups
      6m 48s
    11. Setting rules with Parental Controls
      7m 4s
    12. Taking notes with Dictation & Speech
      6m 0s
    13. Exploring the Accessibility settings
      5m 54s
    14. Listening with Sound
      2m 53s
  7. 36m 2s
    1. Organizing your business with Mail
      12m 42s
    2. Scheduling time with Calendar
      8m 32s
    3. Keeping tabs with Contacts
      5m 30s
    4. Tracking your tasks with Reminders
      3m 39s
    5. Staying in touch using Messages
      5m 39s
  8. 37m 18s
    1. Tracking your documents in TextEdit
      7m 3s
    2. Looking up words in Dictionary
      1m 56s
    3. Keeping notes with Notes
      3m 48s
    4. Working with images in Preview
      6m 14s
    5. Working with PDFs in Preview
      4m 27s
    6. Installing fonts with Font Book
      4m 42s
    7. Posting a note in Stickies
      1m 55s
    8. Adding things up with Calculator
      4m 46s
    9. Organizing apps with Launchpad
      2m 27s
  9. 34m 5s
    1. Navigating the web
      3m 38s
    2. Working with bookmarks
      4m 49s
    3. Using Reading List
      2m 4s
    4. Saving web pages and creating web clips
      1m 44s
    5. Viewing and saving PDFs
      3m 24s
    6. Using Safari to search the web
      2m 20s
    7. Opening local files in Safari
      1m 59s
    8. Working with preferences in Safari
      11m 1s
    9. Managing your Internet footprint
      3m 6s
  10. 8m 48s
    1. Playing media in QuickTime
      4m 15s
    2. Recording videos with QuickTime
      4m 33s
  11. 10m 13s
    1. Video conferencing with FaceTime
      3m 38s
    2. Taking pictures in Photo Booth
      3m 47s
    3. The great utility of Image Capture
      2m 48s
  12. 12m 40s
    1. Writing a simple Automator workflow
      4m 15s
    2. Creating an Automator application
      2m 20s
    3. Setting up an Automator calendar workflow
      2m 31s
    4. Creating an Automator service
      3m 34s
  13. 22m 1s
    1. Managing processes in Activity Monitor
      5m 13s
    2. Formatting, partitioning, and repairing storage devices
      8m 58s
    3. Taking care of your passwords
      4m 1s
    4. Setting up a Windows install with Boot Camp
      3m 49s
  14. 14m 57s
    1. Creating a boot drive
      3m 19s
    2. Understanding and configuring permissions
      4m 5s
    3. Exploring troubleshooting techniques
      7m 33s
  15. 19m 35s
    1. Getting your game on
      4m 1s
    2. Integrating with Facebook and Twitter
      2m 38s
    3. Advanced tips and tricks
      9m 35s
    4. Sharing files with AirDrop
      3m 21s
  16. 30s
    1. Goodbye
      30s

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