Jens Arnold ca2bb463d3 Major rework of the grayscale framework: ... * api change - all drawing functions now use draw mode, foreground and background shades set globally by separate functions * There are now 4 draw modes for all drawing functions, no more separate functions for inverse drawing * Significant speedup of 1-bit bitmap (and font) drawing (2..3 times) * Some more speed tweaks * Additional functions for horizontal and vertical lines * Copied describing comments to the header file for easier reference * The safety net against an uninitialized grayscale buffer is gone git-svn-id: svn://svn.rockbox.org/rockbox/trunk@4711 a1c6a512-1295-4272-9138-f99709370657		2004-06-02 23:53:27 +00:00
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gray.c	Major rework of the grayscale framework:	2004-06-02 23:53:27 +00:00
gray.h	Major rework of the grayscale framework:	2004-06-02 23:53:27 +00:00
Makefile	Further adjustments for the plugin library	2004-05-18 23:17:53 +00:00