TAILIEUCHUNG - Tài iệu Photoshop cs5 by Dayley part 127

Bảng màu Bảng màu khung bên trong Lưu cho Web & thiết bị tiện ích cho phép bạn kiểm soát và thao tác các bảng màu được sử dụng để chuyển đổi tập tin GIF và PNG. Chỉ có màu trong bảng màu sẽ tồn tại trong hình ảnh outputted, do đó, thao tác các màu sắc trong khung Color Table cho phép bạn kiểm soát các màu trong hình ảnh outputted. | Part IX Advanced Output Techniques Color Table The Color Table pane in the Save for Web Devices utility allows you to control and manipulate the color palette used for GIF and PNG file conversion. Only colors in the color palette will exist in the outputted image so manipulating the colors in the Color Table pane lets you control the colors in the outputted image. You can select colors in the table by clicking the table with the mouse or by clicking in the image using the Eyedropper tool. You can select multiple colors in the table by holding down the Shift key while you click them. After you have colors selected in the table you can use the following options shown in Figure to control the color palette Number of Colors Displays the number of colors in the color table. Map to Transparent This maps the currently selected color s in the Color Table to transparent pixels. The pixels that are this color will be transparent in the outputted GIF or PNG-8 image. This can be useful if you have solid colors in the image that you want to make transparent. Shift to Web Palette If the currently selected color is outside the Web palette it will be shifted into the Web palette. If the currently selected color is already shifted into the Web palette it is un-shifted back out. Lock Colors This locks the currently selected color so it isn t dropped from the outputted image. This option is especially useful if you have a specific mono-color item such as a logo or symbol that you want to ensure remains in the original color in the outputted image. Add to Palette This adds the color from the Color tool in the preview area to the color palette. This option allows you to define specific colors that you want included in the color palette. Remove from Palette This removes the selected color s from the color palette allowing you to add additional colors. Image Size settings The Image Size pane in the Save for Web Devices utility shown in Figure allows you to control the size of

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