TAILIEUCHUNG - Tài iệu Photoshop cs5 by Dayley part 124

Tùy chọn chuyển đổi: Các động cơ, ý định, sử dụng Black điểm bồi thường, và sử dụng tùy chọn Dither đã được thảo luận trước đó trong chương này. Các Flatten Image để lựa chọn Preserve Hình được cung cấp để khắc phục những vấn đề của các lớp trộn. | Chapter 29 Printing and Color Management Conversion Options The Engine Intent Use Black Point Compensation and Use Dither options were discussed earlier in this chapter. The Flatten Image to Preserve Appearance option is provided to overcome the problem of blending layers. The problem with blending layers is that converting the layers individually and then flattening results in a different pixel color than flattening first and then converting. This can be a tough choice if you are relying on using the layers later. FIGURE Using the Edit C Convert to Profile option you can use the currently embedded color profile in an image to convert the image to another color profile and embed that color profile. Proofing images using color management In addition to embedding color profiles in images and setting the working color management settings Photoshop provides quick proofing of images to see how they will appear in some of the common color profiles. This process is known as soft proofing. To set up the proofing color space select View C Proof Setup and then select the color space from the main menu. The selected color space is used when proofing. Selecting View C Proof Setup C Custom displays the Customize Proof Condition dialog box shown in Figure where you can set the following customized color proofing options Device to Simulate This allows you to select the color or device profile to use when proofing the colors in the image. 915 Part IX Advanced Output Techniques Preserve RGB CYMK Numbers When this option is selected the colors appear without being converted to the color space of the specified output device. Rendering Intent See the Color Settings section earlier in this chapter for a description. Black Point Compensation See the Black Point Compensation section earlier in this chapter for a description. Simulate Paper Color If you select a CYMK-based device profile this option simulates the slightly off-white property of actual paper according to the .

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