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Chapter 21. Publishing a Movie > Specifying PNG Options

Specifying PNG Options

When you publish a Flash document you're not limited to just the creation of the Flash movie. You can instruct Flash to create a PNG image of the Flash movie, based on the currently selected frame. The PNG file format (Portable Network Graphic), is a hybrid format designed to save both clip art, photographic images, text, and line art. Once the image is created, you can open and use it in any application that supports the PNG file format.

Specify PNG Options

Select a specific Frame on the Timeline.

Click the File menu, and then click Publish Settings.

Select the PNG check box, and then click the PNG tab.

Enter a Width and Height (in pixels) for the PNG image, or select the Match Movie check box to create a PNG image that matches the size of the Flash movie.

Click the Bit Depth popup, and then select 8-bit, 24-bit, or 24-bit With Alpha.

Select from the following Options:

  • Optimize Colors. Creates an optimized (smaller) set of colors for the active document.

  • Interlace. Creates an interlaced image where the file, when displayed on a Web page, loads in three passes.

  • Smooth. Uses a color dithering scheme to create visually smoother color transitions.

  • Dither Solids. Dithers (mixes) solid colors, if the colors fall outside of the viewable color gamut.

  • Remove Gradients. Remove any gradients from the active image.

Bit Depth Choices

8-bitMaximum of 256 colors
24-bitMaximum of 16.7 million colors
24-bit with AlphaMaximum of 16.7 colors and supports the alpha transparency

Click the Dither popup, and then click None, Ordered, or Diffusion to dither (mix) colors that fall outside the viewable color gamut.

Click the Palette Type popup, and then click Web 216, Adaptive, Web Snap Adaptive, or Custom, to select a specific palette type.

Enter a number for the Maximum Colors.

This is available for Adaptive and Web Snap Adaptive. Flash lets you select how many colors are available for the image's color table.

Click to select a color table for the Custom Palette Type.

Click the Filter Options popup, and then select from the available filter options to control the filtering of the colors in the active image.

Click OK to save the PNG settings.



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