Create palette-based images with transparent colors and backgrounds

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Corel PHOTO-PAINT lets you export palette-based images, such as paletted GIF or 8-bit PNG, with transparent colors and backgrounds. These images, such as buttons and logos, are commonly used on webpages with colored or patterned backgrounds.

If you place an image with an opaque background onto a webpage, the image background color appears as a rectangle on the page. By making an image background transparent, the image background blends in with the page. Transparent image backgrounds also let you change the color or pattern of a webpage background without having to change the backgrounds of the images to match.

The background color must be a single, solid color that is not used elsewhere in the image. You can also make an editable area or a protected area transparent. For information about defining these areas, see Masks.

You can create an image with a transparent background to use on a webpage.

You can also create transparent backgrounds on images in other file formats. For information, see Cut out images.

To export a palette-based image with a transparent background

 

To	Do the following
Make the background of the object transparent	In the Settings area, enable the Transparency check box.
Make a selected color transparent	Click the Eyedropper on the toolbar, and then click the image to choose a color. In the Settings area, click the Make the selected color transparent button .
Apply a matte color to the object’s background to help blend the edges of anti-aliased objects	In the Settings area, open the Matte color picker, and click a color.

For best results, choose None from the Dithering list box in the Settings area.

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