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/* prim3d2.c
* ===========================================================================
*
* PUBLIC DOMAIN NOTICE
* National Center for Biotechnology Information (NCBI)
*
* This software/database is a "United States Government Work" under the
* terms of the United States Copyright Act. It was written as part of
* the author's official duties as a United States Government employee and
* thus cannot be copyrighted. This software/database is freely available
* to the public for use. The National Library of Medicine and the U.S.
* Government do not place any restriction on its use or reproduction.
* We would, however, appreciate having the NCBI and the author cited in
* any work or product based on this material
*
* Although all reasonable efforts have been taken to ensure the accuracy
* and reliability of the software and data, the NLM and the U.S.
* Government do not and cannot warrant the performance or results that
* may be obtained by using this software or data. The NLM and the U.S.
* Government disclaim all warranties, express or implied, including
* warranties of performance, merchantability or fitness for any particular
* purpose.
*
* ===========================================================================
*
* File Name: prim3d2.c
*
* Author: Alex Smirnov
*
* Version Creation Date: 04/03/95
*
* $Revision: 6.1 $
*
* File Description:
*
* Modifications:
* --------------------------------------------------------------------------
* Date Name Description of modification
* ------- ---------- -----------------------------------------------------
*
* $Log: prim3d2.c,v $
* Revision 6.1 1998/08/12 23:04:03 vakatov
* [64-bit platforms] Made "idBuffer" be VoidPtr[] rather than Int4[];
* Fixed bugs mostly caused by casting between Int4 vars and 8-byte pointers
*
* Revision 6.0 1997/08/25 18:56:33 madden
* Revision changed to 6.0
*
* Revision 5.1 1996/07/25 14:50:13 epstein
* BigScalar change for OSF1 portability
*
* Revision 5.0 1996/05/28 13:45:08 ostell
* Set to revision 5.0
*
* Revision 1.4 1996/04/04 19:29:32 vakatov
* The sphere XY-centering is attuned to match the cylinder centering.
* Shere of small(1-3) radius still has a 1-point overhead over the
* cylinder of the same radius.
*
*
* ==========================================================================
*/
#ifndef _VIBRANT_
#include <vibrant.h>
#endif
#ifndef _PPICT3D_
#include <ppict3d.h>
#endif
#ifndef _PDIAGNOS_
#include <pdiagnos.h>
#endif
/*****************************************************************************
*
* DEFINES
*
*****************************************************************************/
/*****************************************************************************
*
* TYPEDEFS
*
*****************************************************************************/
/*****************************************************************************
*
* GLOBAL VARIABLE
*
*****************************************************************************/
extern Nlm_Context3D Nlm_stCon;
extern Uint1 Nlm_Isqrt[129*129];
/*****************************************************************************
*
* STATIC VARIABLE
*
*****************************************************************************/
/*****************************************************************************
*
* FUNCTIONS
*
*****************************************************************************/
static void Nlm_Empty3D ( Nlm_VoidPtr p )
{
}
/*****************************************************************************
*
* SPHERE
*
*****************************************************************************/
typedef struct Nlm_sphere3d {
Nlm_Base3D base;
long x,y,z;
long radius;
} Nlm_Sphere3D, PNTR Nlm_Sphere3DPtr;
static void Nlm_Sphere3DDraw ( Nlm_Sphere3DPtr p )
{
register long reg1;
register long reg2;
register long reg3;
register long reg4;
Uint1Ptr cenPtr;
Uint1Ptr cenZPtr;
Uint1Ptr cenCurPtr;
Uint1Ptr cenCurZPtr;
Uint1Ptr curPtr;
Uint1Ptr radiusF;
Uint1Ptr zF;
long x,y,z;
long dy,dxEnd,dyEnd;
long xmin, ymin, xmax, ymax;
long baseColor, colorScale;
reg1 = (long)p;
/* Rotate and check */
reg2 = ((Nlm_Sphere3DPtr)reg1)->x;
reg3 = ((Nlm_Sphere3DPtr)reg1)->y;
reg4 = ((Nlm_Sphere3DPtr)reg1)->z;
x = reg2 / Nlm_stCon.a[0][0] + reg3 / Nlm_stCon.a[0][1] +
reg4 / Nlm_stCon.a[0][2] + Nlm_stCon.c[0];
y = reg2 / Nlm_stCon.a[1][0] + reg3 / Nlm_stCon.a[1][1] +
reg4 / Nlm_stCon.a[1][2] + Nlm_stCon.c[1];
reg4 = reg2 / Nlm_stCon.a[2][0] + reg3 / Nlm_stCon.a[2][1] +
reg4 / Nlm_stCon.a[2][2] + Nlm_stCon.c[2];
z = reg4;
reg4 = Nlm_stCon.zmaxPersp1-reg4;
reg2 = Nlm_stCon.width>>1;
reg3 = x-reg2;
x = reg2 + (reg3*Nlm_stCon.zmaxPersp)/reg4 + 1;
reg2 = Nlm_stCon.height>>1;
reg3 = y-reg2;
y = reg2 Y_PLUS (reg3*Nlm_stCon.zmaxPersp)/reg4 + 1;
reg2 = ((Nlm_Sphere3DPtr)reg1)->radius / Nlm_stCon.scale;
reg2 = (reg2*Nlm_stCon.zmaxPersp)/reg4 - 1;
z = (z*Nlm_stCon.zmaxPersp)/reg4;
if ( reg2 > 127 ) return;
if ( reg2 < 1 ) reg2 = 1;
reg3 = x;
xmin = Nlm_stCon.xmin - reg3;
xmax = Nlm_stCon.xmax - reg3;
if ( (reg2 < xmin) || (-reg2 > xmax) ) return;
reg4 = y;
ymin = Nlm_stCon.ymin - reg4;
ymax = Nlm_stCon.ymax - reg4;
if ( (reg2 < ymin) || (-reg2 > ymax) ) return;
/* Calculate center pointers */
reg4 = reg4 * Nlm_stCon.width + reg3;
cenPtr = Nlm_stCon.image + reg4;
reg4 <<= 1;
cenZPtr =(Uint1Ptr)Nlm_stCon.zBuffer + reg4;
/* calculate yStart and yEnd */
reg3 = -reg2;
if ( reg3 < ymin ) reg3 = ymin;
dy = reg3;
reg4 = reg3*Nlm_stCon.width;
cenCurPtr = cenPtr + reg4;
reg4 <<= 1;
cenCurZPtr = cenZPtr + reg4;
reg4 = reg2;
if ( reg4 > ymax ) reg4 = ymax;
dyEnd = reg4;
radiusF = &(Nlm_Isqrt[reg2*(reg2+1)]);
baseColor = Nlm_stCon.colorOffset + 1 +
((Nlm_Sphere3DPtr)reg1)->base.color * Nlm_stCon.colorStep +
(Nlm_stCon.colorStep*141*(z+Nlm_stCon.zmax))/
(628*Nlm_stCon.zmax);
colorScale = ((reg2*314)<<8)/
(Nlm_stCon.colorStep*(50+(50*z)/Nlm_stCon.zmax));
while ( dy <= dyEnd ){
reg1 = radiusF[dy];
zF = &(Nlm_Isqrt[reg1*(reg1+1)]);
dxEnd = reg1;
if ( reg1 > xmax ) dxEnd = xmax;
reg1 = -reg1;
if ( reg1 < xmin ) reg1 = xmin;
curPtr = cenCurPtr + reg1;
reg4 = (long)(cenCurZPtr + (reg1 << 1));
while ( dxEnd - reg1 >= 4 ){
reg2 = zF[reg1];
reg3 = z+reg2;
if((Uint2)reg3>=*((Uint2Ptr)reg4)) {
*((Uint2Ptr)reg4)=(Uint2)reg3;
*((Uint1Ptr)curPtr)=(Uint1)(baseColor +
((reg2-reg1 Y_PLUS dy)<<8)/colorScale);
}
reg4++; reg4++;
curPtr++;
reg1++;
reg2 = zF[reg1];
reg3 = z+reg2;
if((Uint2)reg3>=*((Uint2Ptr)reg4)) {
*((Uint2Ptr)reg4)=(Uint2)reg3;
*((Uint1Ptr)curPtr)=(Uint1)(baseColor +
((reg2-reg1 Y_PLUS dy)<<8)/colorScale);
}
reg4++; reg4++;
curPtr++;
reg1++;
reg2 = zF[reg1];
reg3 = z+reg2;
if((Uint2)reg3>=*((Uint2Ptr)reg4)) {
*((Uint2Ptr)reg4)=(Uint2)reg3;
*((Uint1Ptr)curPtr)=(Uint1)(baseColor +
((reg2-reg1 Y_PLUS dy)<<8)/colorScale);
}
reg4++; reg4++;
curPtr++;
reg1++;
reg2 = zF[reg1];
reg3 = z+reg2;
if((Uint2)reg3>=*((Uint2Ptr)reg4)) {
*((Uint2Ptr)reg4)=(Uint2)reg3;
*((Uint1Ptr)curPtr)=(Uint1)(baseColor +
((reg2-reg1 Y_PLUS dy)<<8)/colorScale);
}
reg4++; reg4++;
curPtr++;
reg1++;
}
while ( reg1 <= dxEnd ){
reg2 = zF[reg1];
reg3 = z+reg2;
if((Uint2)reg3>=*((Uint2Ptr)reg4)) {
*((Uint2Ptr)reg4)=(Uint2)reg3;
*((Uint1Ptr)curPtr)=(Uint1)(baseColor +
((reg2-reg1 Y_PLUS dy)<<8)/colorScale);
}
reg4++; reg4++;
curPtr++;
reg1++;
}
cenCurPtr += Nlm_stCon.width;
cenCurZPtr += (Nlm_stCon.width << 1);
dy++;
}
}
static void Nlm_Sphere3DHitT ( Nlm_Sphere3DPtr p )
{
register long reg1;
register long reg2;
register long reg3;
register long reg4;
Uint1Ptr cenPtr;
Uint1Ptr cenZPtr;
Uint1Ptr cenCurPtr;
Uint1Ptr cenCurZPtr;
Uint1Ptr curPtr;
Uint1Ptr radiusF;
Uint1Ptr zF;
long x,y,z;
long dy,dxEnd,dyEnd;
long xmin, ymin, xmax, ymax;
reg1 = (long)p;
/* Rotate and check */
reg2 = ((Nlm_Sphere3DPtr)reg1)->x;
reg3 = ((Nlm_Sphere3DPtr)reg1)->y;
reg4 = ((Nlm_Sphere3DPtr)reg1)->z;
x = reg2 / Nlm_stCon.a[0][0] + reg3 / Nlm_stCon.a[0][1] +
reg4 / Nlm_stCon.a[0][2] + Nlm_stCon.c[0];
y = reg2 / Nlm_stCon.a[1][0] + reg3 / Nlm_stCon.a[1][1] +
reg4 / Nlm_stCon.a[1][2] + Nlm_stCon.c[1];
reg4 = reg2 / Nlm_stCon.a[2][0] + reg3 / Nlm_stCon.a[2][1] +
reg4 / Nlm_stCon.a[2][2] + Nlm_stCon.c[2];
z = reg4;
reg4 = Nlm_stCon.zmaxPersp1-reg4;
reg2 = Nlm_stCon.width>>1;
reg3 = x-reg2;
x = reg2 + (reg3*Nlm_stCon.zmaxPersp)/reg4 + 1;
reg2 = Nlm_stCon.height>>1;
reg3 = y-reg2;
y = reg2 Y_PLUS (reg3*Nlm_stCon.zmaxPersp)/reg4 + 1;
reg2 = ((Nlm_Sphere3DPtr)reg1)->radius / Nlm_stCon.scale;
reg2 = (reg2*Nlm_stCon.zmaxPersp)/reg4 - 1;
z = (z*Nlm_stCon.zmaxPersp)/reg4;
if ( reg2 > 127 ) return;
if ( reg2 < 1 ) reg2 = 1;
reg3 = x;
xmin = Nlm_stCon.xmin - reg3;
xmax = Nlm_stCon.xmax - reg3;
if ( (reg2 < xmin) || (-reg2 > xmax) ) return;
reg4 = y;
ymin = Nlm_stCon.ymin - reg4;
ymax = Nlm_stCon.ymax - reg4;
if ( (reg2 < ymin) || (-reg2 > ymax) ) return;
/* Calculate center pointers */
reg4 = (reg4-Nlm_stCon.ymin) * Nlm_stCon.widthCur + (reg3-Nlm_stCon.xmin);
cenZPtr =(Uint1Ptr)(Nlm_stCon.zBuffer + reg4);
cenPtr = (Uint1Ptr)(Nlm_stCon.idBuffer + reg4);
/* calculate yStart and yEnd */
reg3 = -reg2;
if ( reg3 < ymin ) reg3 = ymin;
dy = reg3;
reg4 = reg3*Nlm_stCon.widthCur;
cenCurZPtr = cenZPtr + reg4 * sizeof(Nlm_stCon.zBuffer [0]);
cenCurPtr = cenPtr + reg4 * sizeof(Nlm_stCon.idBuffer[0]);
reg4 = reg2;
if ( reg4 > ymax ) reg4 = ymax;
dyEnd = reg4;
radiusF = &(Nlm_Isqrt[reg2*(reg2+1)]);
while ( dy <= dyEnd ){
reg1 = radiusF[dy];
zF = &(Nlm_Isqrt[reg1*(reg1+1)]);
dxEnd = reg1;
if ( reg1 > xmax ) dxEnd = xmax;
reg1 = -reg1;
if ( reg1 < xmin ) reg1 = xmin;
curPtr = cenCurPtr + reg1 * sizeof(Nlm_stCon.idBuffer[0]);
reg4 = (long)(cenCurZPtr + (reg1 << 1));
while ( dxEnd - reg1 >= 4 ){
reg2 = zF[reg1];
reg3 = z+reg2;
if((Uint2)reg3>=*((Uint2Ptr)reg4)) {
*((Uint2Ptr)reg4)=(Uint2)reg3;
*((VoidPtr*)curPtr) = p;
}
reg4++; reg4++;
curPtr += sizeof(Nlm_stCon.idBuffer[0]);
reg1++;
reg2 = zF[reg1];
reg3 = z+reg2;
if((Uint2)reg3>=*((Uint2Ptr)reg4)) {
*((Uint2Ptr)reg4)=(Uint2)reg3;
*((VoidPtr*)curPtr) = p;
}
reg4++; reg4++;
curPtr += sizeof(Nlm_stCon.idBuffer[0]);
reg1++;
reg2 = zF[reg1];
reg3 = z+reg2;
if((Uint2)reg3>=*((Uint2Ptr)reg4)) {
*((Uint2Ptr)reg4)=(Uint2)reg3;
*((VoidPtr*)curPtr) = p;
}
reg4++; reg4++;
curPtr += sizeof(Nlm_stCon.idBuffer[0]);
reg1++;
reg2 = zF[reg1];
reg3 = z+reg2;
if((Uint2)reg3>=*((Uint2Ptr)reg4)) {
*((Uint2Ptr)reg4)=(Uint2)reg3;
*((VoidPtr*)curPtr) = p;
}
reg4++; reg4++;
curPtr += sizeof(Nlm_stCon.idBuffer[0]);
reg1++;
}
while ( reg1 <= dxEnd ){
reg2 = zF[reg1];
reg3 = z+reg2;
if((Uint2)reg3>=*((Uint2Ptr)reg4)) {
*((Uint2Ptr)reg4)=(Uint2)reg3;
*((VoidPtr*)curPtr) = p;
}
reg4++; reg4++;
curPtr += sizeof(Nlm_stCon.idBuffer[0]);
reg1++;
}
cenCurPtr += (Nlm_stCon.widthCur * sizeof(Nlm_stCon.idBuffer[0]));
cenCurZPtr += (Nlm_stCon.widthCur << 1);
dy++;
}
}
static void Nlm_Sphere3DGetL ( Nlm_Sphere3DPtr p )
{
register BigScalar ax;
register BigScalar bx;
long minXY, maxXY;
ax = (BigScalar)p;
bx = (BigScalar)(((Nlm_PSeg3DPtr)ax)->base.parent);
maxXY = ((Nlm_Sphere3DPtr)ax)->x + ((Nlm_Sphere3DPtr)ax)->radius;
minXY = ((Nlm_Sphere3DPtr)ax)->x - ((Nlm_Sphere3DPtr)ax)->radius;
if ( ((Nlm_PSeg3DPtr)bx)->segBox.minX > minXY )
((Nlm_PSeg3DPtr)bx)->segBox.minX = minXY;
if ( ((Nlm_PSeg3DPtr)bx)->segBox.maxX < maxXY )
((Nlm_PSeg3DPtr)bx)->segBox.maxX = maxXY;
maxXY = ((Nlm_Sphere3DPtr)ax)->y + ((Nlm_Sphere3DPtr)ax)->radius;
minXY = ((Nlm_Sphere3DPtr)ax)->y - ((Nlm_Sphere3DPtr)ax)->radius;
if ( ((Nlm_PSeg3DPtr)bx)->segBox.minY > minXY )
((Nlm_PSeg3DPtr)bx)->segBox.minY = minXY;
if ( ((Nlm_PSeg3DPtr)bx)->segBox.maxY < maxXY )
((Nlm_PSeg3DPtr)bx)->segBox.maxY = maxXY;
maxXY = ((Nlm_Sphere3DPtr)ax)->z + ((Nlm_Sphere3DPtr)ax)->radius;
minXY = ((Nlm_Sphere3DPtr)ax)->z - ((Nlm_Sphere3DPtr)ax)->radius;
if ( ((Nlm_PSeg3DPtr)bx)->segBox.minZ > minXY )
((Nlm_PSeg3DPtr)bx)->segBox.minZ = minXY;
if ( ((Nlm_PSeg3DPtr)bx)->segBox.maxZ < maxXY )
((Nlm_PSeg3DPtr)bx)->segBox.maxZ = maxXY;
}
static Nlm_PrimDef3D sphereDef = {
(Nlm_PrimDraw3D)Nlm_Sphere3DDraw,
(Nlm_PrimHitTest3D)Nlm_Sphere3DHitT,
(Nlm_PrimGetLimits3D)Nlm_Sphere3DGetL,
(Nlm_PrimCleanup3D)Nlm_Empty3D,
(Nlm_Int2)SPHERE3D
};
Nlm_Prim3D Nlm_AddSphere3D ( Nlm_Picture3D pic, Nlm_Segment3D segment,
BigScalar userData, Uint1 layer, Uint1 color,
Int4 x, Int4 y, Int4 z, Uint4 radius )
{
Nlm_Sphere3D l;
Nlm_stCon.pic = pic;
Nlm_DiagReset ();
l.base.userData = userData;
l.base.layer = layer;
l.base.color = color;
l.base.fTable = &sphereDef;
l.base.status = 0;
l.x = (long)x; l.y = (long)y; l.z = (long)z;
l.radius = radius;
return (Nlm_Prim3D) Nlm_AddPrim3D ( (Nlm_PSeg3DPtr)segment,
(Nlm_Base3DPtr)&l,
sizeof(Nlm_Sphere3D),
"AddSphere3D" );
}
|