Class: SwikiImage (in Comanche)

• Inheritance
• Description
• Class protocol
  • initialize-release
• Instance protocol
  • accessing
  • initialization
  • testing

Inheritance:

   Object
   |
   +--Comanche::SwikiEntry
      |
      +--Comanche::SwikiFile
         |
         +--Comanche::SwikiImage

Package:

stx:goodies/webServer/comanche/swiki

Category:

Comanche-Swiki-FileServer

Version:

rev: 1.8 date: 2003/08/29 17:04:35

user: cg

file: SwikiImage.st directory: goodies/webServer/comanche/swiki

module: stx stc-classLibrary: swiki

Description:

SwikiImage

is a file entry for an image (usually, a file that ends with gif, jpeg, jpg, or png). It includes width and height as further instance variables.

INSTANCE VARIABLES:
width = the width of the image (as a number)
height = the height of the image (as a number)

Class protocol:

 initialize

Instance protocol:

 height

 width

 dir: dir mimeType: mimeType

Get Width and Height information from file stream.
On error, width and height become nil

 getWHFromGifStream: stream

Get Width and Height from a GIF image

 getWHFromJpegStream: stream

Get Width and Height from a JPEG image

 getWHFromPngStream: stream

Get Width and Height from a PNG image

 isAnImage

 isValid