► Note

It's extremely important that you accurately set the image resolution when you create a new file, because trying to change an image's resolution later—particularly if you're trying to increase the resolution—will significantly affect the quality of your image. If you aren't sure which resolution to use, err on the higher side to avoid loss of image quality later.

Assign the color mode of the image by selecting between Bitmap, Grayscale, RGB, CMYK, and Lab Color in the pop-up menu next to Mode. (Again, you can always change this later.) For more information about these color modes, refer to the section "Color Mode" earlier in this chapter.

Name: Untitled-1 image Size: Preset Sizes:

Mode:

Contents ® White O Backgroum O Transparen

720x540 DVD 1280x720 HDTV720P 1920 X 1080 HDTV 1080i

Mode:

Custom

^ Default Photoshop Size

Letter

Legal

Tabloid

4x6

5x7

8x10

640 x 480

800x600

1024x768

468 x 60 web banner i

720x540 DVD 1280x720 HDTV720P 1920 X 1080 HDTV 1080i

Figure 3-5 Photoshop offers you a short list of preset image sizes.

Finally, specify how Photoshop should fill the background of the file when you first open it. For example, should the background be a solid white, a solid black, or transparent? (In most cases, the default of White is sufficient.) Make the appropriate selection and click OK.

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