CnC_Red_Alert/CODE/RGB.H

139 lines
4.7 KiB
C++

/*
** Command & Conquer Red Alert(tm)
** Copyright 2025 Electronic Arts Inc.
**
** This program is free software: you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation, either version 3 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/* $Header: /CounterStrike/RGB.H 1 3/03/97 10:25a Joe_bostic $ */
/***********************************************************************************************
*** C O N F I D E N T I A L --- W E S T W O O D S T U D I O S ***
***********************************************************************************************
* *
* Project Name : Command & Conquer *
* *
* File Name : RGB.H *
* *
* Programmer : Joe L. Bostic *
* *
* Start Date : 12/02/95 *
* *
* Last Update : December 2, 1995 [JLB] *
* *
*---------------------------------------------------------------------------------------------*
* Functions: *
* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
#ifndef RGB_H
#define RGB_H
class PaletteClass;
class HSVClass;
#ifndef OUTPORTB
#define OUTPORTB
extern void outportb(int port, unsigned char data);
#pragma aux outportb parm [edx] [al] = \
"out dx,al"
extern void outport(int port, unsigned short data);
#pragma aux outport parm [edx] [ax] = \
"out dx,al" \
"inc dx" \
"mov al,ah" \
"out dx,al"
#endif
extern void outrgb(unsigned char red, unsigned char green, unsigned char blue);
#pragma aux outrgb parm [al] [bl] [cl] \
modify [dx al] = \
"mov dx,03C9h" \
"out dx,al" \
"jmp e1" \
"e1:" \
"mov al,bl" \
"out dx,al" \
"jmp e2" \
"e2:" \
"mov al,cl" \
"out dx,al" \
"jmp e3" \
"e3:"
/*
** Each color entry is represented by this class. It holds the values for the color
** guns. The gun values are recorded in device dependant format, but the interface
** uses gun values from 0 to 255.
*/
class RGBClass
{
// static RGBClass const BlackColor;
public:
RGBClass(void) : Red(0), Green(0), Blue(0) {};
RGBClass(unsigned char red, unsigned char green, unsigned char blue) :
Red((unsigned char)(red>>2)),
Green((unsigned char)(green>>2)),
Blue((unsigned char)(blue>>2))
{};
operator HSVClass (void) const;
RGBClass & operator = (RGBClass const & rgb) {
if (this == &rgb) return(*this);
Red = rgb.Red;
Green = rgb.Green;
Blue = rgb.Blue;
return(*this);
};
enum {
MAX_VALUE=255
};
void Adjust(int ratio, RGBClass const & rgb);
// void Adjust(int ratio, RGBClass const & rgb = BlackColor);
int Difference(RGBClass const & rgb) const;
int Red_Component(void) const {return ((Red << 2) | (Red >> 6));};
int Green_Component(void) const {return((Green << 2) | (Green >> 6));};
int Blue_Component(void) const {return((Blue << 2) | (Blue >> 6));};
void Set(int color) const;
private:
friend class PaletteClass;
void Raw_Set(void) const {
outrgb(Red, Green, Blue);
// outportb(0x03C9, Red);
// outportb(0x03C9, Green);
// outportb(0x03C9, Blue);
};
static void Raw_Color_Prep(unsigned char color) {
outportb(0x03C8, color);
};
/*
** These hold the actual color gun values in machine dependant scale. This
** means the values range from 0 to 63.
*/
unsigned char Red;
unsigned char Green;
unsigned char Blue;
};
extern RGBClass const BlackColor;
#endif