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Theo mặc định, lớp tiếp xúc tươi sáng ở phía trên cùng của ngăn xếp. Tuy nhiên, điều này có thể mang lại kết quả sáng hơn bạn muốn. Bạn có thể tự di chuyển tiếp xúc tối | Part IV Exploring Filters and Effects FIGURE 16-24 Use the Round Corners filter to round off the corners on your image. Within the Round Corners filter dialog you can adjust the Edge Radius option. This option allows you to set with the input box a radius setting where the rounding of corners will originate from. You can add a drop shadow to your image by checking the Add Drop-Shadow check box. You can then adjust the X and Y Offsets for that shadow and use a Blur Radius option to define the shadow s softness. Slide Old film footage and slide-like film are created or emulated by the Slide filter within GIMP s myriad filter options. This one is extremely handy if you are looking for the old film effect. This is a simplified version of the Filmstrip filter Filters Combine Filmstrip covered in Chapter 15. This filter is located in the image window menu under the Filters Decor menu. Run it by going to Filters Decor Slide. Figure 16-25 shows the Slide filter dialog. You have a few things to consider when using this filter. For one it encases the original image into a slide. Because of the size restrictions your image may be cropped to fit. Second this filter script works only on specific image types. For example only RGB and grayscale images that contain one layer will work. Third you should consider using the Work on Copy check box selection. By doing so you can protect the original image and create a slide out of a new one. 494 Chapter 16 Enhancing Images with Artistic Filters FIGURE 16-25 Using the Script-Fu Slide filter to create images that look as if they are part of a film reel Other options to configure include the following Text Once you apply the filter the slide created can be tagged by a name. If you add a description within the Text section of the dialog you can mark your slide with a title for example . Number Just like true film footage the segments run in numerical order. You can add a number here to denote where this slide fits into a group of multiple
