Page 120 - DCAP512_WAP_AND_WML

WAP & WML

Notes  In order for an image to be displayed in a WAP application, it must be in the specially
optimized Wireless Bitmap (WBMP) format. WBMP files are 1-bit graphics capable of
displaying only black and white pixels.
 It is recommended that you keep any graphic image as small as possible.
 No graphic should exceed 150 pixels square.

 WAP - Wireless bitmap (level 0) image format.
 The Wireless Application Protocol Bitmap Format (WBMP) is designed for use with
applications that operate over wireless communication networks.

 The WBMP format is commonly used in mobile phones (WAP phones) and enables
graphical information to be sent to the handset.

8.5 Keywords

<img> tag : The <img> tag is used to add an image to a WML card.

WBMP: Wireless Application Protocol Bitmap Format
8.6 Review Questions

1. The <img> tag is used to add an image to a WML card. Explain with a suitable example.
2. The height and width attributes of the <img> tag, as their names suggested, are used to
specify the height and width of an image’s display area. Discuss.
3. Some mobile devices have stored in their memory a library of small images that can be
placed in the WML document using the localsrc attribute in the image tag. Comment.

4. It is a good idea also to provide a pointer to an external graphic in case local images are not
supported. Comment.
5. The executable file of the program can be started with various parameters defining the
conversion result. Do you agree with this statement? Why or why not?
6. You can select a number of options that will affect the work of this feature-packed batch
image converter. Explain.

7. Batch conversion of WAP images and the use of the command line in Ivan Image Converter.
Discuss.
8. Your WAP file will be saved in the selected format under the name you provided in the
image conversion dialog. Analyze.
9. Besides being a powerful image converter, which software has plenty of image editing
functions? Explain.
10. Explain how you can open a WAP file?

Answers: Self Assessment

1. <img> 2. image
3. src 4. GIF, JPG

5. Attributes 6. 150
7. 1-bit 8. UnWired

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