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Paul 2001-03-11 20:44:42 +00:00
parent 8640fc397e
commit ec220d1f3d
1 changed files with 62 additions and 4 deletions
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66
source/frontend/options.cpp
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@ -151,6 +151,51 @@ static const int OPTIONS_FRAME_W=416;
static const int OPTIONS_FRAME_H=160; static const int OPTIONS_FRAME_H=160;
/*----------------------------------------------------------------------
Function:
Purpose:
Params: _hue = 0..4095, _brightness = 0..255, _rgb -> int[3]
Returns:
---------------------------------------------------------------------- */
static void paulColourSpaceToRGB(int _hue,int _brightness,int *_rgb)
{
static const int s_colourTab[16][3]=
{
{ 255, 0, 0 },
{ 255, 97, 0 },
{ 255,192, 0 },
{ 222,255, 0 },
{ 127,255, 0 },
{ 31,255, 0 },
{ 0,255, 67 },
{ 0,255,162 },
{ 0,252,255 },
{ 0,157,255 },
{ 0, 61,255 },
{ 37, 0,255 },
{ 132, 0,255 },
{ 228, 0,255 },
{ 255, 0,186 },
{ 255, 0, 91 },
};
const int *c1,*c2;
int *cr;
int i,component;
c1=&s_colourTab[(_hue>>8)&15][0];
c2=&s_colourTab[((_hue>>8)+1)&15][0];
cr=_rgb;
for(i=0;i<3;i++)
{
component=*c1+(((*c2-*c1)*(_hue&0xff))>>8);
component=(component*_brightness)>>8;
*cr=component;
c1++;
c2++;
cr++;
}
}
/*---------------------------------------------------------------------- /*----------------------------------------------------------------------
Function: Function:
Purpose: Purpose:
@ -358,16 +403,29 @@ void CFrontEndOptions::unselect()
Params: Params:
Returns: Returns:
---------------------------------------------------------------------- */ ---------------------------------------------------------------------- */
int rh=0;
int rb=80;
int rspeed=5;
int rstep=1024;
void CFrontEndOptions::render() void CFrontEndOptions::render()
{ {
POLY_G4 *g4; POLY_G4 *g4;
int rgb[3];
rh+=rspeed;
rh&=4095;
paulColourSpaceToRGB(rh,rb,rgb);
g4=GetPrimG4(); g4=GetPrimG4();
setXYWH(g4,0,0,512,256); setXYWH(g4,0,0,512,256);
setRGB0(g4,90, 0, 0); paulColourSpaceToRGB(rh,rb,rgb);
setRGB1(g4, 0, 0,90); setRGB0(g4,rgb[0],rgb[1],rgb[2]);
setRGB2(g4, 0,90, 0); paulColourSpaceToRGB(rh+(rstep*1),rb,rgb);
setRGB3(g4,90, 0,90); setRGB1(g4,rgb[0],rgb[1],rgb[2]);
paulColourSpaceToRGB(rh+(rstep*3),rb,rgb);
setRGB2(g4,rgb[0],rgb[1],rgb[2]);
paulColourSpaceToRGB(rh+(rstep*2),rb,rgb);
setRGB3(g4,rgb[0],rgb[1],rgb[2]);
AddPrimToList(g4,MAX_OT-1); AddPrimToList(g4,MAX_OT-1);
m_background->render(); m_background->render();