[comp.sys.ibm.pc] Bitmap's display on EGA using TC 2.0

flibedin@opta.cl (Fernando Libedinsky) (06/28/89)

I'm a writing a program for displaying TIFF files on a EGA. Currently
all the TIFF stuff is working OK (I'm able to display on a Hercules)
and can display also in the EGA using TC putpixel. However it is very
slow to display pixel at a time. What I want to do now is to display
the file using TC putimage, and my problem is to create a putimage
bitmap in the correct format. For example, with a Hercules each pixel
is 1 bit in the bitmap, but in the EGA each pixel has 4 bits in the
bitmap. What I want do know is which are the bits patterns for
displaying a WHITE pixel and a BLACK pixel. Any one can help me with
this problem ? any suggestions ?

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   Fernando  Libedinsky
   OPTA S.A.
   UUCP: flibedin@opta.cl
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