![]() For example, if you try to draw an oval, the app will automatically transform it into something cleaner. Preview will clean up your strokes for you. If you dont alike what you did on a layer, you can erase an entire layer and start drawing or painting on that layer, again, or delete the layer entirely. If you want to alter elements on a layer only that layer gets affected. If you just want to draw something quick over the existing image, this is the tool for you. You can build up a drawing or painting by putting different elements on different layers. The Instant Alpha tool allows you to click on an area of the image to “magically” select an entire region of the same color, while with the Sketch tool you can draw. There are also two “Lasso” tools that stick to shapes as you select an area. ![]() There is a rectangle to select an area and an elliptical selection tool. The Selection Tools allow you to choose a section of the image to move or edit. The first tools control the mode of your cursor. The other tools will be pretty obvious if you’ve ever used an image editing program, but for those in doubt, here is a brief summary of the function of each tool, from left to right. ![]() Changes are saved as you work, so if you want to keep the original image intact, consider making a copy before getting down to business. If you just want to sketch over your image, click on the pencil icon. ![]()
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