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Converting vector graphics to bitmaps in CorelDRAW

Converting vector graphics to bitmaps in CorelDRAW 

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Converting vector graphics to bitmaps

When you convert a vector graphic to a bitmap, you can apply special effects in the CorelDRAW application that are unavailable to vector graphic or objects. As you convert the vector graphic, you can select the color mode of the bitmap. A color mode determines the number and kind of colors that make up the bitmap, so that file size is also affected.

As you convert a vector graphic to a bitmap, you can specify settings such as dithering, anti-aliasing, overprinting black, background transparency, and color profile.

When you export to a bitmap file format, such as TIFF, JPEG, CPT, or PSD, the same bitmap conversion options are available. For more information about exporting, see "Exporting files.

 

Process to convert a vector graphic to a bitmap

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To convert a vector graphic to a bitmap

1. Select an object.

2. Click Bitmaps Convert to bitmap.

3. Choose a resolution from the Resolution list box.

4. Choose a color mode from the Color mode list box.

5. Enable any of the following check boxes:

          • Dithered — simulates a greater number of colors than those available. This option is available for images that use 256 or fewer colors.

          • Always overprint black — avoids gaps between black objects and underlying objects when printing by overprinting black whenever it is the top color

          • Apply ICC profile — applies the International Color Consortium profiles to standardize colors across devices and color spaces

          • Anti-aliasing — smooths the edges of the bitmap

          • Transparent background — makes the background of the bitmap transparent

• You can change the black threshold for the Always overprint black option. For information about setting the black threshold, see "To set the overprint black threshold."

• If you export a vector file to a bitmap format, such as GIF, you are prompted to set the Convert to bitmap options described in the procedure above before you export the file.

• Making the background of a bitmap transparent lets you see images or a background otherwise obscured by the bitmap background.

 

Process to convert a vector graphic to a bitmap when exporting

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To convert a vector graphic to a bitmap when exporting.

1. Click File Export.

2. Choose the folder where you want to save the file.

3. Choose a bitmap file format from the Save as type list box, and type a filename in the File name list box.

4. Set the options that you want, and click Export.

5. In the Convert to bitmap dialog box, type values in one of the following pairs of boxes:

             • Width and Height — let you specify the image dimensions

             • Width % and Height % — let you resize the image to a percentage of its original size

6. Choose a resolution from the Resolution list box.

7. Choose a color mode from the Color mode list box.

8. Enable any of the following check boxes:

            • Dithered — simulates a greater number of colors than those available. This option is available for images that use 256 or fewer colors.

            • Always overprint black — avoids gaps between black objects and underlying objects when printing by overprinting black whenever it is the top color

            • Apply ICC profile — applies the International Color Consortium profiles to standardize colors across devices and color spaces

9. In the Options area, enable any of the following:

            • Anti-aliasing — smooths the edges of the bitmap

            • Maintain layers — preserves layers

            • Transparent background — makes the background of the bitmap transparent



• You can change the black threshold for the Always overprint black option. For information about setting the black threshold, see "To set the overprint black threshold."

• Not all of the options in the Convert to bitmap dialog box are available for all bitmap file formats.

• Making the background of a bitmap transparent lets you see images or a background otherwise obscured by the bitmap background.

 

Copyright 2000-2005 Corel Corporation. All rights reserved.

 

 

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