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Similar to image size, another feature in Photoshop is the ability to add more room to your document, and this feature is called canvas size. Under the image menu, choose canvas size. And what canvas size will allow you to do, as I said, will allow you to add more room or sometimes take away more room. You can actually crop using the canvas size tool but I recommend using a crop tool instead. A new addition to Photoshop 7 is the relative button here. And the relative button allows me to simply add pixels or however many whatever unit you want to measure it in (inches or pixels, which are my two favorite) to your document. This proxy down here tells Photoshop where these new pixels will be added. So I'm going to go ahead and type in 2 inches for the width, and 2inches for the height. And if I click ok, Photoshop will add 1 inch to the left and 1 inch to the right and 1 inch at the top and 1 inch at the bottom. And since my particular document does not support transparency right now, Photoshop will use the background color to create these new pixels. So I'll go ahead and say ok and you can see, zoom-out a bit, it simply added one inch all the way around. Go ahead and undo that. And I'll also make this particular image support transparency by renaming it. So just double click on it and just have it be layer zero. And now if I turn the eyeball off, you can see it's floating on a transparent background. Go back to image menu>canvas size, and now I'll click in the corner here and choose 2 and 2. If we disable relative, it shows me the actual inches that I would be adding. And I'll go ahead and option reset and disable relative again, so you can see that canvas size tells us the actual dimension at the top of our document. And if we wish we could go ahead and do the math ourselves by typing in 7.333 for the width and 6 for the height. And Photoshop is telling me that my new document will be 11.3 megabytes in size. And when I do this, Photoshop's going to add my 2 inches to the right of my image and to the bottom of the image since I chose this corner to anchor the effect from. So generally, when I use canvas size I will always enable relative, so that all I need to do is tell Photoshop how many pixels or inches I want to add, and Photoshop will figure it out for me. So right now it's going to add 2 inches relative to the current width and height based on my anchor proxy.
| Course: | Adobe Photoshop 7 |
| Author: | Andrew J. Hathaway |
| SKU: | 33329 |
| ISBN: | 1889347272 |
| Release Date: | 2002-09-05 |
| Duration: | 11 hrs / 152 lessons |
| Work Files: |
Yes |
| Captions: | No |
| Compatibility: |
Vista/XP/2000, OS X, Linux QuickTime 7, Flash 8 |