## [Property of picture] dialog

Transparent-izing of GIF image, interlace-izing, and progressive-ization of JPEG image are performed.

### In the case of GIF

[Transparent-izing] Check box
  It turns ON to make GIF transparent, and it turns OFF to cancel transparent-ization.
< Syringe > Icon
  A mouse pointer will become a cross if this icon is clicked. If the portion which wants to make an image transparent is clicked, the portion of the color will become transparent. The index of the specified color is displayed on the field on the right of an icon.
[Interlace GIF] Check box
  It turns ON to interlace-ize GIF image, and it turns OFF to cancel.

### In the case of JPEG

[Quality of image] Scale
  The quality of image of JPEG is specified. The numerical values from 5 to 95 can be chosen. The size of a file becomes large although it is high definition so that a numerical value is large.
[Progressive JPEG] Check box
  It turns ON to progressive-ize JPEG image, and it turns OFF to cancel.

Reference :
Transparent-izing of GIF image
Creation of interlace GIF and progressive JPEG