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- IFND EXEC_TYPES_I
- INCLUDE "exec/types.i"
- ENDC
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- * signed 32-bit fixed point, scaled by 2^29 (range -4 .. 4)
- FIXED MACRO
- LONG \1
- ENDM
-
- STRUCTURE mbrot,0
-
- * Rastport image will be drawn to
- APTR mb_RastPort
-
- * These define z = x0 + y0 i that will be mapped to upper lefthand
- * corner of Rastport (that is (0,0) NOT (x1,y1))
- FIXED mb_x0
- FIXED mb_y0
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- * Deltas in both directions, i.e. how much to increment z for each pixel
- FIXED mb_dx
- FIXED mb_dy
-
- * If this is actually a Julia set, this is the c = jx + jy i
- FIXED mb_jx
- FIXED mb_jy
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- * (x1,y1)-(x2,y2) rectangle within rastport to fill with mandelbrot
- UWORD mb_x1
- UWORD mb_y1
- UWORD mb_x2
- UWORD mb_y2
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- * Pointer to a call-back procedure (or NULL) that should return
- * with Z clear (result nonzero) if some kind of break condition is met
- APTR mb_break
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- UWORD mb_i ; max. number of iterations, 0<= i <=65533
- UWORD mb_colors ; number of colors used in colouring OUTSIDE
- UBYTE mb_flags ; see below
- BYTE mb_pad
- LABEL mb_SIZEOF
-
- * Flags for mb_flags
- BITDEF MB,HIGH,0 ; 32 bit precision enabled
- BITDEF MB,CRAWL,1 ; crawling enabled
- BITDEF MB,JULIA,2 ; this is actually a Julia set
- BITDEF MB,AUTOPREC,3 ; automatic precision (16/32 bits, ignore HIGH)
- BITDEF MB,AUTOCRAWL,4 ; automatic crawling when adequate, ign. CRAWL
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- * Limit for AUTOPREC
- DELTALIMIT EQU $40000
-
- * PIXEL color defines
- CLEAR EQU 0 ; the color (x1,y1)-(x2,y2) is cleared to
- INTERIOR EQU 1 ; inside the set
- FIRST EQU 2 ; outside the set
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