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Text File | 1992-03-23 | 13.9 KB | 595 lines

***************************************************************************** * * Barchart plotter V0.91 (7-8/10/89) © L. Vanhelsuwé * * This program takes a filename as argument. (1> CHART file) * It loads the ASCII file in and converts it to the internal representation * of the barchart data structure. * The ASCII file is constructed from 1..N (N <50) lines structured as follows: * |<decimal number 0..65535> <column label>| * * The main feature of the program is the scalability of the chart via the * intuition sizing gadget. * * 27/10/90 Cleaned up program to use EXEC,DOS,INTUI macros... * Changed Chart display so that bar labels are printed just below * bar bases. * 15/03/91 Changed maximum window size to 8192,8192 for Workbench 2.0 etc... * Made argument decoding more robust (i.e. handle A-Shell !) * * * **!! WARNING: This program is not generic. It is currently suited * **!! only to display output from SrcAnalyzer * **!! Find comments marked **!! for areas which need generalizing! * ****************************************************************************** INCLUDE std TOP_CLEARANCE equ 65 ;dragbar,labels LABELS equ 52 ;enough for "MOVE.L" **!! BOT_CLEARANCE equ 2+LABELS ; WINDOW_WIDTH equ 480 WINDOW_LINES equ 150 WINDOW_IDCMP equ REFRESHWINDOW+NEWSIZE+CLOSEWINDOW STD_FLAGS equ WINDOWCLOSE+WINDOWDRAG+WINDOWDEPTH+WINDOWSIZING WINDOW_FLAGS equ STD_FLAGS+SIMPLE_REFRESH+ACTIVATE GFXR MACRO move.l rastport,a1 GFX \1 ENDM ;--------------------------------------- START: move.l SP,top_level ;save initial for SP for break-outs bsr process_args ;check arguments out bsr open_libraries ;DOS, stdout move.l DOS_LIB_PTR,a6 move.l args_ptr,d1 move.l #MODE_OLDFILE,d2 DOS Open ;open ASCII data file move.l d0,in_fhandle bne got_datafile moveq #-2,d7 jmp error got_datafile move.l args_ptr,a0 ;add data filename to lea window_title,a1 ;window name string copy_filename move.b (a0)+,(a1)+ bne.s copy_filename move.l INTUI_LIB_PTR,a6 lea chart_windowdef,a0 INTUI OpenWindow ;open window in Workbench move.l d0,window bne got_window moveq #-1,d7 jmp error got_window move.w #WINDOW_WIDTH,w_width move.w #WINDOW_LINES,w_lines move.l d0,a0 move.l wd_RPort(a0),rastport ;for later graphics calls move.l wd_UserPort(a0),msgport ;for receiving IDCMP msgs bsr read_data ;read in ASCII data file bsr gen_chart_struct ;cvt data to internal form bsr refresh_window ;repaint barchart MAIN: bsr test_IDCMP ;act on close/refresh msgs move.l DOS_LIB_PTR,a6 move.l #25,d1 DOS Delay ;sleep for 1/2 sec bra MAIN ;--------------------------------------- test_IDCMP move.l 4.w,a6 move.l msgport,a0 EXEC GetMsg ;see if Intuition sent us tst.l d0 ;an IntuiMsg beq dummy move.l d0,a1 move.l im_Class(a1),imsg_class ;copy relevant info move.w im_Code(a1),imsg_code move.l im_IAddress(a1),imsg_addr move.l im_MouseX(a1),imsg_ratcords EXEC ReplyMsg ;and return msg move.l imsg_class,d0 ;find our handler for lea event_routines,a0 ;this event bra.s scan_types possible_event move.l (a0)+,a1 cmp.l d0,d1 bne.s scan_types jmp (a1) ;execute event handler scan_types move.l (a0)+,d1 bpl.s possible_event rts event_routines dc.l REFRESHWINDOW,refresh_window dc.l CLOSEWINDOW,quit_me dc.l NEWSIZE,size_chart dc.l -1 * dc.l VANILLAKEY,keypress * dc.l RAWKEY,keypress * dc.l GADGETUP,intui_gadget * dc.l MOUSEBUTTONS,gadget_press ;--------------------------------------- size_chart move.l window,a0 ;only if the window move.w wd_Width(a0),d0 ;really changed dimension, move.w wd_Height(a0),d1 cmp.w w_width,d0 bne real_change cmp.w w_lines,d1 beq dummy real_change move.w d0,w_width ;should you update vars & move.w d1,w_lines bsr refresh_window ;redraw the lot bset #0,flags ;swallow next refresh msg ! rts ;--------------------------------------- quit_me moveq #0,d7 ;normal exit code.. jmp error ;--------------------------------------- refresh_window bclr #0,flags ;don't refresh twice after a size refr. rne move.l GFX_LIB_PTR,a6 moveq #0,d0 ;clear window pane to BG color GFXR SetAPen moveq #4,d0 ;get Window dimensions moveq #10,d1 move.w d0,d2 move.w d1,d3 add.w w_width,d2 add.w w_lines,d3 sub.w #23,d2 sub.w #13,d3 GFXR RectFill lea chart_data,a4 bsr draw_barchart ;and draw new one. rts ;--------------------------------------- ; Draw entire BarChart in window. ; ; A4 -> chart structure draw_barchart move.l a4,a3 bsr find_max ;find highest column bsr find_factor ;calc zoom/shrink factor bsr draw_intervals ;dividing lines & Y scale moveq #0,d4 move.w w_width,d4 sub.w #50,d4 ;usable width of window move.w num_values,d7 divu d7,d4 ;d4=adjusted width for bars moveq #40,d5 ;starting X coord subq.w #1,d7 draw_columns move.w (a4)+,d0 ;get absolute height move.l (a4)+,a3 ;get string ptr mulu factor,d0 ;size column lsr.l #8,d0 ;256 = 1.0 move.w d4,d1 subq.w #4,d1 ;leave gaps between columns bsr draw_column bsr print_label ;print associated label add.w d4,d5 ;goto next bar (inc XCO) dbra d7,draw_columns ;all columns done ? rts ;--------------------------------------- ; D0/D1 = height/width D4=column spacing D5= X coord D7=column # draw_column move.l GFX_LIB_PTR,a6 ;use GRAPHICS library tst.w -6(a4) ;if real height is zero beq dummy ;don't draw anything tst.w d0 ;if drawn height is zero bne.s not_neglectable move.w d0,-(SP) move.w d1,-(SP) moveq #2,d0 ;then draw strip in GFXR SetAPen move.w (SP)+,d1 move.w (SP)+,d0 not_neglectable move.w d5,d2 ;max x = X + width add.w d1,d2 move.w w_lines,d3 ;max y = lines -n sub.w #BOT_CLEARANCE,d3 move.w d3,d1 ;min y = lines -n -height sub.w d0,d1 move.w d5,d0 ;min x = X GFXR RectFill ;fill rectangle moveq #1,d0 ;use normal filling GFXR SetAPen rts ;--------------------------------------- ; A3 -> C-string D5= column X print_label move.l GFX_LIB_PTR,a6 moveq #RP_JAM2,d0 ;2-color chars GFXR SetDrMd moveq #3,d0 ;1 pixels : pen 3 GFXR SetAPen moveq #2,d0 ;0 pixels : pen 2 GFXR SetBPen move.w w_lines,d2 sub.w #BOT_CLEARANCE-9,d2 ;starting Y bra.s wh_chars ;(just under chart bars) plot_char move.w d2,d1 ;base Y of char move.w d5,d0 ;same X as column GFXR Move ;position pen moveq #1,d0 ;1 char to plot move.l a3,a0 ;address from char GFXR Text addq.w #1,a3 ;advance char ptr add.w #8,d2 ;move down vertically wh_chars tst.b (a3) ;EOS ? bne.s plot_char rts ;--------------------------------------- draw_intervals move.l GFX_LIB_PTR,a6 moveq #5-1,d7 ;5 divisions moveq #0,d6 move.w axis_max,d6 ;divide 100% up into 20% divu #5,d6 ;interval size move.w d6,d5 ;1st height print_heights moveq #2,d0 ;switch pen back to normal GFXR SetAPen move.w w_lines,d1 ;calc Y-coordinate for next sub.w #BOT_CLEARANCE,d1 ;gradient (bottom-to-top) move.w d5,d0 mulu factor,d0 lsr.l #8,d0 sub.w d0,d1 move.w d1,d3 ;cache current working Y moveq #40,d0 ;X1 = 40 GFXR Move move.w d3,d1 ;Y coord move.w w_width,d0 sub.w #20,d0 ;horizontal line across window GFXR Draw ;(30,y)-(w-40,y) moveq #0,d0 ;now print height move.w d5,d0 ;textually moveq #4,d1 ;e.g. '0080' lea dec_out,a0 bsr bin_to_dec ;make ASCII axis label moveq #4,d0 ;crsr_X for text = 4 move.w d3,d1 ;Y coord addq.w #5,d1 ;label slightly lower GFXR Move ;goto printing position moveq #3,d0 ;labels printed in diff color GFXR SetAPen lea dec_out,a0 ;-> label to print moveq #4,d0 ;4 chars long GFXR Text ;print it (next to line) add.w d6,d5 ;go up in steps of 20% dbra d7,print_heights rts ;--------------------------------------- ; A3 -> new chart structure find_max moveq #0,d0 ;# of items moveq #0,d1 ;maximum height so far moveq #-1,d7 ;max 64k values bra wh_values scan_chart addq.w #1,d0 ;inc # of items cmp.w d1,d2 bcs wh_values ;is this value > max move.w d2,d1 ;update max wh_values move.w (a3)+,d2 tst.l (a3)+ dbeq d7,scan_chart move.w d0,num_values move.w d1,max_value rts ;--------------------------------------- ; find optimal sizing factor to fit barchart in find_factor move.w #256,d0 ;sample sizing factor = 1.0 move.w #100,d2 ;'100' = 100 % move.w max_value,d1 cmp.w #100,d1 ;best fit in 100 lines (100%) bgt halve_max double_max add.w d0,d0 ;sample factor *2 lsr.w #1,d2 ;100 -> 50 add.w d1,d1 ;max *2 cmp.w #100,d1 blt double_max lsr.w #1,d0 ;undo overshooting add.w d2,d2 lsr.w #1,d1 bra window_factor ;- - - - - - - - halve_max lsr.w #1,d0 ;factor <- factor/2 add.w d2,d2 ;100 -> 200 lsr.w #1,d1 ;max <- max/2 cmp.w #100,d1 bgt halve_max window_factor move.w d2,axis_max move.w w_lines,d1 sub.w #TOP_CLEARANCE,d1 ;-dragbar/borders/labels mulu d1,d0 divu #100,d0 move.w d0,factor rts ;--------------------------------------- read_data move.l 4.w,a6 move.l #50000,d0 ;allocate memory to read **!! moveq #0,d1 ;entire file EXEC AllocMem move.l d0,file_buffer beq error move.l DOS_LIB_PTR,a6 move.l in_fhandle,d1 move.l file_buffer,d2 move.l #50000,d3 ;**!! should find out how big DOS Read ;file is **!! add.l file_buffer,d0 move.l d0,file_end ;calc addr of end of buffer rts ;--------------------------------------- gen_chart_struct move.l file_buffer,a0 ;ASCII source file lea chart_data,a5 ;destination chart structure convert_file bsr get_decimal ;get height value (0..64K) move.w d0,(a5)+ ;save value move.l a0,(a5)+ ;save label pointer find_eos move.b (a0)+,d0 ;find end of label cmp.b #LF,d0 ;1st space or LF beq mark_eos cmp.b #SPC,d0 bne.s find_eos clr.b -1(a0) find_eol cmp.b #LF,(a0)+ bne find_eol bra check_done mark_eos clr.b -1(a0) ;then change into C-string check_done cmp.l file_end,a0 ;all lines done ? bne.s convert_file move.w #-1,(a5)+ ;mark end of list clr.l (a5)+ rts ;--------------------------------------- ; A0 -> start of argument line **!! ; D0 = # of args chars process_args cmp.b #' ',(a0)+ ;skip any leading spaces beq.s process_args subq.w #1,a0 move.l a0,args_ptr ;save addr of argument to prg find_eo_fname cmp.b #LF,(a0)+ ;scan to first LF or SPC beq.s mark_eofn cmp.b #' ',-1(a0) bne.s find_eo_fname mark_eofn clr.b -1(a0) ;change LF to NULL (C-string) rts ;--------------------------------------- ; A0 -> string dest ; D0 = # to be cvtd (LONG) ; D1 = # of chars wanted USES: D0/D1/D2 A0/A1 bin_to_dec subq.w #8,d1 neg.w d1 add.w d1,d1 add.w d1,d1 lea powers(PC,d1),a1 next_pow move.l (a1)+,d1 moveq #0,d2 weigh sub.l d1,d0 bcs.s gotya addq.w #1,d2 bra.s weigh gotya add.l d1,d0 add.b #'0',d2 move.b d2,(a0)+ subq.l #1,d1 bne.s next_pow rts powers dc.l 10000000 7 dc.l 1000000 6 dc.l 100000 5 dc.l 10000 4 dc.l 1000 3 dc.l 100 2 dc.l 10 1 dc.l 1 0 ;--------------------------------------- ; A0 -> decimal string ; RETURNS D0.W = number (0..65535) **!! ; A0-> first non-numeric char get_decimal moveq #0,d0 ;clear Accum. moveq #0,d1 ;clear LONG reception reg bra wh_decimal accum_digit mulu #10,d0 ;shift curr value add.w d1,d0 ;OR new digit wh_decimal move.b (a0)+,d1 ;get char sub.b #'0',d1 ;must be digit bcs not_digit cmp.b #10,d1 bcs accum_digit not_digit subq.w #1,a0 ;backtrack over offending char skip_spaces cmp.b #' ',(a0)+ beq.s skip_spaces subq.w #1,a0 ;backtrack over 1st non-num/spc rts ;--------------------------------------- open_libraries move.l 4.w,a6 lea dos_name,a1 moveq #0,d0 EXEC OpenLibrary ;open DOS move.l d0,DOS_LIB_PTR bne got_dos moveq #-1,d7 jmp error got_dos lea gfx_name,a1 moveq #0,d0 EXEC OpenLibrary ;open GFX move.l d0,GFX_LIB_PTR bne got_gfx moveq #-1,d7 jmp error got_gfx lea intui_name,a1 moveq #0,d0 EXEC OpenLibrary ;open Intuition move.l d0,INTUI_LIB_PTR bne got_intui moveq #-1,d7 jmp error got_intui rts ;--------------------------------------- error move.l top_level,SP move.l DOS_LIB_PTR,d0 ;did we ever get DOS ? beq no_dos move.l d0,a6 move.l in_fhandle,d1 ;yes, then maybe the file beq no_file DOS Close ;yes: close no_file move.l 4.w,a6 move.l DOS_LIB_PTR,a1 ;& close DOS EXEC CloseLibrary no_dos move.l GFX_LIB_PTR,a1 EXEC CloseLibrary ;close GFX move.l INTUI_LIB_PTR,d0 ;did we ever get Intuition? beq no_intuition ;yes, move.l d0,a6 move.l window,d0 beq no_window move.l d0,a0 ;maybe the window too? INTUI CloseWindow ;yes: close no_window move.l a6,a1 ;& close Intuition move.l 4.w,a6 EXEC CloseLibrary no_intuition move.l 4.w,a6 ;free file buffer move.l file_buffer,d1 beq exit ;if ever gotten ! move.l #50000,d0 move.l d1,a1 EXEC FreeMem exit move.l d7,d0 dummy rts ;--------------------------------------- chart_windowdef dc.w 320-WINDOW_WIDTH/2,32 ;origin dc.w WINDOW_WIDTH,WINDOW_LINES ;dimensions dc.b 0,1 dc.l WINDOW_IDCMP dc.l WINDOW_FLAGS dc.l 0 ;no gadgets dc.l 0 ;std checkmark dc.l window_name dc.l 0,0 ;Workbench screen, no custom Bitmap dc.w 300,110 ;min W,H dc.w 8192,8192 ;max W,H dc.w WBENCHSCREEN window_name dc.b 'Barchart V0.91 ©LVA 9/10/89 file:' window_title ds.b 256 ;--------------------------------------- chart_data ds.w 50*(1+2) ;**!! should allocate depending on dc.w -1,0,0 ;# of input file entries **!! ;--------------------------------------- dec_out ds.b 6 ;--------------------------------------- dos_name DOSNAME gfx_name GRAFNAME intui_name INTNAME DOS_LIB_PTR ds.l 1 GFX_LIB_PTR ds.l 1 INTUI_LIB_PTR ds.l 1 top_level ds.l 1 ;for SP args_ptr ds.l 1 ;for CLI args file_buffer ds.l 1 file_end ds.l 1 in_fhandle ds.l 1 window ds.l 1 rastport ds.l 1 msgport ds.l 1 imsg_class ds.l 1 imsg_code ds.w 1 imsg_addr ds.l 1 imsg_ratcords ds.l 1 w_width ds.w 1 ;window width in pixels w_lines ds.w 1 ;window lines num_values ds.w 1 max_value ds.w 1 factor ds.w 1 axis_max ds.w 1 flags ds.b 1 END