Crop and Reduce Colors

Contents:

• Cropping Images
• Reducing Image Colors

Cropping Images

Cropping images is another method of reducing the file size. It allows you to save just a part of an image.

1. Open the file in LView.
2. Use the crossbar to select the area of the image you wish to crop.
3. Click EDIT on the menu bar.
4. Click CROP. The selected part of the image will be loaded as a new image. The original image is unchanged. Sometimes when the file reloads, the LView window is small. To maximize the window, click the maximize icon in the upper right corner of the screen.
5. Save the image. Be sure to use a new name if you wish to preserve the original image.

Previous: Resizing Images

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Reducing Image Colors

Loading an Image Using Its True Color Palette

LView normally opens images using only 256 colors. However, some graphic formats, such as JPG and TIFF (or TIF), use 24-bit color (16.7 million colors). To make sure LView opens your graphic using all of its colors, or True Color Palette, follow these steps:

1. Open LView Pro.
2. Click OPTIONS on the menu bar.
3. Click QUANTIZING. The following window opens. Notice, PALETTE IMAGE and 256 COLORS are selected.
   
4. Click TRUE COLOR IMAGE. Click OK.
5. Open the file you wish to work with. It will be displayed with all its colors.

Finding the Number of Colors in a Image

1. Open LView Pro
2. Change to the true color palette if you think the image has more than 256 colors (see above).
3. Click File on the menu bar. Click OPEN.
4. Click in the LIST FILES OF TYPE BOX, and choose the image file type.
5. Click in the DRIVES box and click on the correct drive.
6. Click in the directories box and click on the path to the image.
7. Click on the image name in the FILE NAME box. Click OK. The file will load.
8. Look at the top of the LView screen. You will see image information.
   Example: flower.gif [290x273x256]
   The image flower.gif has a WIDTH of 290 pixels, a HEIGHT of 273 pixels, and uses 256 colors.

Reducing Image Colors in LView Pro

Many times, the number of colors in an image can be reduced without affecting the quality of the image. For example:

has 128 colors. has 256 colors.

To reduce the number of colors in LView Pro:

1. Open LView Pro
2. Change to the true color palette if you think the image has more than 256 colors.
3. Click File on the menu bar. Click OPEN.
4. Click in the LIST FILES OF TYPE BOX, and choose the image file type.
5. Click in the DRIVES box and click on the correct drive.
6. Click in the directories box and click on the path to the image.
7. Click on the image name in the FILE NAME box. Click OK. The file will load.
8. Click RETOUCH on the menu bar.
9. Click COLOR DEPTH. A dialog window appears. Notice, the default setting is TRUE COLOR IMAGE
10. Click PALETTE IMAGE
11. Click in the 256 COLORS (INCLUDING...) box
12. Click in the CUSTOM NUMBER OF COLORS box and fill in a number such as 128.
    
13. Click OK. If you don't like the results, click EDIT on the menu bar. Click UNDO. Experiment trying to find the least number of colors that do not distort the image.
14. To confirm that the image has your indicated number of colors, check the number of colors information at the top of the screen.
15. Click FILE on the menu bar.
16. Click SAVE AS.
17. In the FILES OF TYPE box, choose GIF89a
18. Type a name in the FILE NAME box. Choose a different name if you wish to preserve the original graphic. Do not add an extension, LView will add the appropriate extension (GIF) to the file name.
19. Click OK.

Previous: Resizing Images