Black on White (bwtwo sun3)

Michael Koehne kaffe@rufus.w3.org
Sat, 25 Jul 1998 05:56:54 +0000 ()


Hy Gurus,

	this would allow to view the WidgetsDemo and TextEdit on
	a monocrome XServer. Just the JPEG is still black/on/black.
	I think that it would need dithering.

*** libraries/clib/awt/X/toolkit.h~	Sat Jul 18 00:22:12 1998
--- libraries/clib/awt/X/toolkit.h	Sat Jul 25 05:35:22 1998
***************
*** 208,213 ****
--- 208,221 ----
  
    case PseudoColor:
  	return X->pclr->pix [JI8(JRED(rgb))] [JI8(JGREEN(rgb))] [JI8(JBLUE(rgb))];
+ 
+   case StaticGray:
+   	/*
+   	return (JRED(rgb)*JRED(rgb)+
+   	        JGREEN(rgb)*JGREEN(rgb)+
+   	        JBLUE(rgb)*JBLUE(rgb) < 16384);
+   	*/
+   	return (JRED(rgb)+ JGREEN(rgb)+ JBLUE(rgb) < 196);
    }
  }
  
***************
*** 233,238 ****
--- 241,251 ----
  	*g = X->pclr->rgb[(unsigned char)pixel].g;
  	*b = X->pclr->rgb[(unsigned char)pixel].b;
  	break;
+   
+   case StaticGray:
+   	*r = *g = *b = (JRED(pixel)+JGREEN(pixel)+JBLUE(pixel)/3);
+   	break;
+  
    }
  }
  
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