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Photoshop cs5 by steve Johnson part 26

Sử dụng Sharpen, Blur, và công cụ Smudge Nếu bạn muốn làm sắc nét hoặc mờ các phần của một hình ảnh, bạn có thể sử dụng Sharpen, Blur, hoặc các công cụ Smudge. Những công cụ này được nhóm lại với nhau trên hộp công cụ. Các công cụ Sharpen (New!) làm tăng độ tương phản dọc theo các cạnh để tăng độ sắc nét, khi bạn sử dụng các công cụ, càng có nhiều tác dụng mài. | Using Sharpen Blur and Smudge Tools If you want to sharpen or blur parts of an image you can use the Sharpen Blur or Smudge tools. These tools are grouped together on the toolbox. The Sharpen tool New increases contrast along edges to increase sharpness the more you use the tool the greater the sharpening effect. The Blur tool softens hard edges or reduces detail the more you use the tool the greater the blur effect. The Smudge tool creates a finger drag through wet paint effect. Use the Sharpen Blur or Smudge Tools Open a document. Select the Sharpen Blur or Smudge tool on the toolbox. Sharpen. Increases contrast. Blur. Softens hard edges or reduces detail. Smudge. Pushes a color in the drag direction to create a smudge effect. Select a brush tip. Select brush options on the Options bar Mode. Specify a percentage value. Strength. Check this box to clip the overlay to the brush size. Sample All Layers. Select to modify pixels from all visible layers. Protect Detail Sharpen tool . Select to minimize pixelization while maintaining details New . Finger Painting Smudge tool . Select to use the background color as the smudge. Deselect to use the color under the pointer. Drag over the part of the image you want to change. Original image Image using Sharpen tool 164 Chapter 7 Setting Up Multiple Clone Sources The Clone Source panel allows you to set up to five different sample sources for the Clone Stamp or Healing Brush tools in Photoshop. The Clone Source panel contains five clone buttons to which you can assign samples. Simply open the Clone Source panel click a Clone Stamp button and then select the sample you want. The Clone Source panel saves the samples until you close the document. To help you clone the source in a specific location you can overlay your sample source and show the overlay on the screen. The overlay allows you to view your changes and helps you visualize where to paint. In addition you can scale and rotate the sample source to clone the sample at a