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1992-05-06
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(******************************************************************************)
(* *)
(* The global constants and variables defined in this module are optional: *)
(* if you don't want to access their features, you needn't import them into *)
(* your program. The variables in the parameter lists of the procedures are *)
(* the only variables you are required to supply. *)
(* When describing the order in which certain routines are called, I have *)
(* adopted the curly-bracket notation of EBNF: routines in curly brackets {} *)
(* may be called an arbitrary number of times (0 to n). A, {B}, {C, {D}} thus *)
(* implies that A is called once, followed by an arbitrary number of calls to *)
(* to B, followed by an arbitrary number of calls to C. Each of the calls to *)
(* C may be followed by an arbitrary number of calls to D. Likewise, {{C},{D}}*)
(* implies an arbitrary number of calls to C and D in any order. *)
(* *)
(******************************************************************************)
(* *)
(* Version 1.00a.002 (Beta) : March 2, 1988 *)
(* *)
(* These procedures were originally written under version 1.20 of the TDI *)
(* Modula-2 compiler. I have rewritten this module to operate under the v2.00 *)
(* compiler. However, should you find any problem or inconsistency with the *)
(* functionality of this code, please contact me at the following address: *)
(* *)
(* Jerry Mack *)
(* 23 Prospect Hill Ave. *)
(* Waltham, MA 02154 *)
(* *)
(* Check the module MenuUtils for TDI's (considerably less powerful) ver- *)
(* sions of my Menu and IntuitionText procedures. The modules GadgetUtils and *)
(* EasyGadgets should also be of great help. *)
(* *)
(******************************************************************************)
(* *)
(* The source code to ColorTools is in the public domain. You may do with *)
(* it as you please. *)
(* *)
(******************************************************************************)
DEFINITION MODULE ColorTools;
FROM Intuition IMPORT ScreenPtr;
(* These color values are from p.294 of the Amiga Programmer's Handbook *)
(* Vol. 1 by Eugene P. Mortimore; Sybex, Inc., Berkeley; 1987. *)
CONST
White = 0FFFH; GoldenOrange = 0FB0H; LightAqua = 01FBH;
BrickRed = 0D00H; CadmiumYellow = 0FD0H; SkyBlue = 06FEH;
Red = 0F00H; LemonYellow = 0FF0H; LightBlue = 06CEH;
RedOrange = 0F80H; ForestGreen = 00B1H; Blue = 000FH;
Orange = 0F90H; LightGreen = 08E0H; Purple = 091FH;
LimeGreen = 0BF0H; BrightBlue = 061FH; Violet = 0C1FH;
Green = 00F0H; DarkBlue = 006DH; Pink = 0FACH;
DarkGreen = 02C0H; MediumGrey = 0999H; Tan = 0DB9H;
BlueGreen = 00BBH; LightGrey = 0CCCH; Brown = 0C80H;
Aqua = 00DBH; Magenta = 0F1FH; DarkBrown = 0A87H;
Black = 0000H;
MaxColors = 32; (* # of colors to load when calling SetScreenColors *)
VAR
ScreenColors : ARRAY [0..MaxColors-1] OF CARDINAL;
PROCEDURE SetScreenColors (CurrentScreen : ScreenPtr);
(* SetScreenColors assigns ScreenColors to the color registers of Current- *)
(* Screen. Though ScreenColors is assigned values upon import of this mo- *)
(* dule, I have spent little time determining which combinations are aes- *)
(* thetically appealing. Thus, don't count on ScreenColors having the same *)
(* default values in later versions of this module. *)
END ColorTools.