Artifact 29cb24b1d28e46662cd0a9db27ea599972c2cef7:

• File operator/add-rgba-rgba.crimp — part of check-in [8942f8463c] at 2010-07-15 22:05:09 on branch ak-experimental — 7 seven new binary operators (max, min, multiply, screen, add, subtract, difference) Added to C level (rgba/rgba only so far), Tcl level, and demos. No documentation yet. (user: andreask size: 472) [more...]

add_rgba_rgba
Tcl_Obj* imageAObj
Tcl_Obj* imageBObj
int scale
int offset

/*
 * Pixel- and channel-wise scaled and biased addition of two images. The
 * images have to have equal dimensions. Values out of range are wrapped into
 * it (modulo).
 */

#define BINOP(a,b) ((((a) + (b)) / scale) + offset)
#include "binop_rgba_rgba.c"
#undef BINOP

/* vim: set sts=4 sw=4 tw=80 et ft=c: */
/*
 * Local Variables:
 * mode: c
 * c-basic-offset: 4
 * fill-column: 78
 * End:
 */