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How to produce a high quality screenshot for printing and publishing

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Keyboard shortcuts

Mac: apple>shift>3, this keyboard shortcut will take a screenshot of the entire display at 72ppi
Mac: apple>shift>4, this keyboard shortcut will allow you to capture a rectangular selection at 72ppi
PC: Print Scrn, this keyboard shortcut will take a screenshot of the entire display at 96ppi*
PC: Alt>Print Scrn, this keyboard shortcut will allow you to capture the active window at 96ppi*
*PC users see below for more detailed instructions. For all you lucky Mac users you don’t need all this you will have a png file on your desktop, just open it up in photoshop or another image editing programme.

1. Make your screenshot as large as possible Avoid enlarging your screen shots. Due to their naturally low resolution, making them larger usually results in jagged edges, (bitmapping).

s1

2. Go to Image>Image Size

s2

3. This box will appear, SWITCH OFF the Resample Image command. Your screenshot will be 72ppi (mac) 96ppi (pc).

image1

4. Change the resolution to the required ppi. Notice that the Document size has DECREASED, the greater the ppi the less the size, (this is why you need to start with a screen shot as large as possible). Click OK and save. Avoid enlarging your screen shots. Due to their naturally low resolution, making them larger usually results in jagged edges, (bitmapping).

image2

5. Recommended minimum color resolution 1.41 x the lpi. For more details see the tutorial on Resolution.

ie 175 lpi x 1.41 =247ppi

Your output device governs your lpi.

Tip: Convert RGB to CMYK by taking the image into Lab first. See below for other methods

final

Here’s How: Windows Vista
1. Click on the Start Menu and start typing “snipping” into the search box.
2. Snipping Tool should show up in the Programs list above the search box, and you can click on it to start it.
3. The Snipping Tool window will appear on your screen. You may move it to an edge of the screen so it’s not in your way, but it will also disappear when you start dragging a selection area.
4. The Snipping Tool assumes you want to create a new clipping as soon as you open it. Your screen will dim, and you can click and drag your cursor to select an area to copy. As you drag, the selected area will be darker, and surrounded by a red border if you’ve never changed the Snipping Tool options.
5. When you release the mouse button, the captured area will open in the Snipping Tool window. If you’re not happy with the selection and need to try again, click the “New” button.
6. When you are happy with your clipping, press the second button to save the screen shot as an image file. See the tips below for file format suggestions.
Tips:
1. If your screen shot contains a limited number of colors and you want to retain crisp lines and keep the file size small, save as a GIF file. If your screen shot contains many colors and you want to retain crisp lines and full quality, save as a PNG file. If your screen shot contains many colors and you want to make the file size small, save as a JPEG file.
2. Before saving your screen shot, you can use the Pen and Highlighter tools in the Snipping Tool toolbar to add markup to your screen shot. The eraser tool will remove marks made with the Pen and Highlighter Tools.
3. You may email a screen shot without saving it by using the “Send To” button on the Snipping Tool toolbar.
4. Go to Tools > Options to change the way the Snipping Tool operates. For instance, you can change the color of the selection outline by selecting a new ink color, or turn the outline off entirely by unchecking the box for “Show selection ink after snips are captured.”
5. Enable the option “Display icon in the Quick Launch toolbar” if you want to keep the Snipping Tool handy for quick access.

Here’s How: Windows XP
1. Press the Print Screen key on your keyboard. It may be labeled [PrtScn].
2. Open an image editing program, such as Microsoft Paint.
3. Go to the Edit menu and choose Paste.
4. If prompted to enlarge the image, choose Yes.
5. Optional: Use your image editor’s crop tool to crop out unnecessary portions of the screen shot.
6. Go to the File Menu and choose Save As.
7. Navigate to the folder where you want to save the image.
8. Type a file name for the image.
9. Select a file type.
10. Click the Save button.
Tips:
1. Hold the Alt key down while pressing Print Screen to capture only the active window.
2. Generally the GIF format works best when saving screen shots of application windows. The JPEG format usually makes screen shots (especially those with text) blurry, blotchy and discolored.
3. The Windows “ clipboard” is a term used to describe the temporary storage space in memory where an item is placed when you copy or cut. When you paste, the item is transferred to the program you’re working in. If you copy something else, the old item is replaced with the new. You can’t navigate to or manipulate the clipboard directly; it’s only used for copy and paste operations.
4. If you have windows Vista, you can capture screen shots much more easily using the Snipping Tool included with Vista.

 

Convert the Color
Converting to CMYK color for printing can cause problems with fuzzy or blurry black text with some printing methods. By default, in most software RGB to CMYK conversions, black is not plain black. Black areas print with a certain amount of Cyan, Magenta, and Yellow inks. Due to the way printing presses work it is possible that the different colors will shift slightly causing fuzzy edges all around black areas. There are two schools of thought on how to handle the black. Some people think it looks fine and others believe the text needs to by 100% black. If color isn't necessary, consider converting the screen shot to grayscale.
* 100% Black - Method 1: Before converting your image to CMYK, substitute plain black for all black in your image. In Photoshop this is done by choosing Maximum for Black Generation under GCR (Gray Component Removal) in your Color Settings. Refer to your own software to find how to control how black is used.
* Because black is usually added to most colors to enhance their printed appearance, the above method may result in unwanted color shifts in other areas of your screen shot. You'll need to weigh the importance of subtle color changes against your tolerance for slightly blurred or fuzzy text.
* 100% Black - Method 2: Another way to change the black is to convert the image to CMYK then select a bit of black in the image with the magic wand tool (anti-aliasing OFF, tolerance 0) then select all similar portions of the image (Photoshop: Select | Similar; Photo-Paint: Mask | Similar). Fill all selected areas with 100% Black.

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