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Portable Network Graphic  |  1992-08-06  |  8KB  |  640x480  |  4-bit (7 colors)
Labels: clock | crt screen | digital clock | digital display | monitor | sky | stairs
OCR: E68115 Features Graphics Con trol Extensions Graphics control extensions are used to specify whe ther the graphic iMage thit Mapped or plain text) 15 to he overiaia in transparent or non trans parent fashion. whe ther to wait for user input or deiay for period of time bef ore continuing, and whe ther the image area 15 to be resi tored hefore continuing (to either what was there hefore or the background color? We use transparency now for shadowing contro extension overlaid pareni delay restored