void CompDateAxis::Draw(wxDC &dc, wxRect rc)
{
DateTimeDataset *dataset = m_datasets[0]->AsDateTimeDataset();
if (dataset == NULL) {
return ; // BUG!
}
wxDateTime firstDate, lastDate;
if (!GetWindowDateBounds(firstDate, lastDate)) {
return ;
}
for (size_t nSpan = 0; nSpan < m_dateSpans.Count(); nSpan++) {
wxDateSpan span = m_dateSpans[nSpan];
wxDateTime dateStart = RoundDateToSpan(firstDate, span);
do {
double start = DateToDataCoord(dateStart);
wxDateTime dateEnd = dateStart;
dateEnd += span;
double end = DateToDataCoord(dateEnd);
DrawSpan(dc, rc, nSpan, GetSpanLabel(dateStart, span), start, end);
dateStart += span;
} while (dateStart <= lastDate);
}
}
void Rasterizer::DrawSpanBetweenBuffers()
{
for ( int i = 0; i < _height; i++)
{
if ( _leftBounds[i] == (_width + 1) && _rightBounds[i] == -1 )
{
continue;
}
Span spans(_leftColor[i], _leftBounds[i], _leftZBounds[i], _leftUBounds[i], _leftVBounds[i], _leftWBounds[i],
_rightColor[i], _rightBounds[i], _rightZBounds[i], _rightUBounds[i], _rightVBounds[i], _rightWBounds[i]);
DrawSpan(spans, i);
}
}
void
R_Surf_DrawAll (void)
{
struct drawsurf_s *ds;
for (ds = surfs; ds != surfs_p; ds++)
{
struct drawspan_s *s;
int i;
for (i = 0, s = &r_spans[ds->firstspanidx]; i < ds->numspans; i++, s++)
{
int c = ((uintptr_t)&map.surfaces[ds->msurfidx] >> 4) & 0xffffff;
DrawSpan (s, c);
}
}
}
static void DrawTriangle(POINT p1, DOUBLE z1, POINT p2, DOUBLE z2,
POINT p3, DOUBLE z3, DOUBLE i, char c)
{
POINT pt;
DOUBLE z31, z21, mx1, mx2, mz, dzNdx, dzNdy, x1, x2, z, zt, o;
INT y31, y21, y32, x31, x32, x21, D, y;
/* make p1.y <= p2.y <= p3.y */
if (p1.y > p2.y) {
SWAP(p1, p2, pt);
SWAP(z1, z2, zt);
}
if (p1.y > p3.y) {
SWAP(p1, p3, pt);
SWAP(z1, z3, zt);
}
if (p2.y > p3.y) {
SWAP(p2, p3, pt);
SWAP(z2, z3, zt);
}
y31 = p3.y - p1.y; /* height of long edge */
y21 = p2.y - p1.y; /* height of lower short edge */
y32 = p3.y - p2.y; /* height of upper short edge */
x31 = p3.x - p1.x;
x32 = p3.x - p2.x;
x21 = p2.x - p1.x;
D = y21*x31-y31*x21;
/* degenerated triangle ? */
if (D == 0) return;
z31 = z3 - z1;
z21 = z2 - z1;
mx1 = (DOUBLE)x31 / (DOUBLE)y31;
mz = z31 / (DOUBLE)y31;
/* grad z */
dzNdx = (DOUBLE)(y21*z31-z21*y31)/(DOUBLE)D;
dzNdy = (DOUBLE)(x31*z21-z31*x21)/(DOUBLE)D;
/* offset for z coords proportional to max. depth slope */
/* should avoid line dropouts if surrounding is drawn later */
o = zOffsetFactor * sqrt(dzNdx*dzNdx+dzNdy*dzNdy);
/* rasterize lower partial triangle */
if (y21 != 0) {
mx2 = (DOUBLE)x21 / (DOUBLE)y21;
x1 = x2 = (DOUBLE)p1.x + 0.5;
z = z1-o;
for (y = p1.y; y <= p2.y; y++) {
DrawSpan((INT)x1, (INT)x2, y, z, dzNdx, i, c);
x1 += mx1;
x2 += mx2;
z += mz;
}
}
/* rasterize upper partial triangle */
if (y32 != 0) {
mx2 = (DOUBLE)x32 / (DOUBLE)y32;
x1 = x2 = (DOUBLE)p3.x + 0.5;
z = z3-o;
for (y = p3.y; y >= p2.y; y--) {
DrawSpan((INT)x1, (INT)x2, y, z, dzNdx, i, c);
x1 -= mx1;
x2 -= mx2;
z -= mz;
}
}
}
void cOBJECT::DrawPolyZShade(POLYGON *currentpoly)
{
long signL,xL1,yL1,numeratorL,denominatorL,incrementL;
long signR,xR1,yR1,numeratorR,denominatorR,incrementR;
long i,top,yval,currentL,currentR,xL2,yL2,xR2,yR2,ystart,yend,yend1;
MFLOAT zL1,zR1,zL2,zR2,inczL,inczR; // Z values for left and right point (used for z buffer)
long numpoints=currentpoly->ClippedNumVectors;
inczL=0;inczR=0;
// determine bottom point
yend1=(long)TVectors[currentpoly->ClippedVectorIndex[0]].y;
for (i=1;i<numpoints;i++)
{
if ((long)TVectors[currentpoly->ClippedVectorIndex[i]].y>yend1)
{
yend1=(long)TVectors[currentpoly->ClippedVectorIndex[i]].y;
}
}
// Clip to bottom of screen (line 400)
if (yend1>400)
yend1=400;
// determine top point
top=0;
yval=(long)TVectors[currentpoly->ClippedVectorIndex[0]].y;
for (i=1;i<numpoints;i++)
{
if ((long)TVectors[currentpoly->ClippedVectorIndex[i]].y<yval)
{
yval=(long)TVectors[currentpoly->ClippedVectorIndex[i]].y;
top=i;
}
}
currentL=top;
currentR=top;
xL1=(long)TVectors[currentpoly->ClippedVectorIndex[currentL]].x; // start line left
yL1=(long)TVectors[currentpoly->ClippedVectorIndex[currentL]].y;
zL1=TVectors[currentpoly->ClippedVectorIndex[currentL]].z;
currentL++;
if (currentL>numpoints-1)
currentL=0;
xL2=(long)TVectors[currentpoly->ClippedVectorIndex[currentL]].x; // end line left
yL2=(long)TVectors[currentpoly->ClippedVectorIndex[currentL]].y;
zL2=TVectors[currentpoly->ClippedVectorIndex[currentL]].z;
numeratorL=xL2-xL1;
signL=1;
denominatorL=yL2-yL1;
incrementL=denominatorL;
if (denominatorL!=0)
{
inczL=(zL2-zL1)/(MFLOAT)(denominatorL);
}
xR1=(long)TVectors[currentpoly->ClippedVectorIndex[currentR]].x; // start line right
yR1=(long)TVectors[currentpoly->ClippedVectorIndex[currentR]].y;
zR1=TVectors[currentpoly->ClippedVectorIndex[currentR]].z;
currentR--;
if (currentR<0)
currentR=numpoints-1;
xR2=(long)TVectors[currentpoly->ClippedVectorIndex[currentR]].x; // end line right
yR2=(long)TVectors[currentpoly->ClippedVectorIndex[currentR]].y;
zR2=TVectors[currentpoly->ClippedVectorIndex[currentR]].z;
numeratorR=xR2-xR1;
signR=1;
denominatorR=yR2-yR1;
incrementR=denominatorR;
if (denominatorR!=0)
{
inczR=(zR2-zR1)/(MFLOAT)(denominatorR);
}
if (numeratorL<0)
{
numeratorL=-numeratorL;
signL=-signL;
}
if (numeratorR<0)
{
numeratorR=-numeratorR;
signR=-signR;
}
if (yL1<yR1)
ystart=yL1;
else
ystart=yR1;
while (ystart<yend1)
{
if (yL2<yR2)
yend=yL2;
else
yend=yR2;
if (yend>yend1) // y clipping at maxY(400)
yend=yend1;
while (ystart<yend)
{
DrawSpan(xL1,xR1,zL1,zR1,ystart);
zL1+=inczL;
zR1+=inczR;
incrementL+=numeratorL;
incrementR+=numeratorR;
while (incrementL>denominatorL)
{
xL1+=signL;
incrementL-=denominatorL;
}
while (incrementR>denominatorR)
{
xR1+=signR;
incrementR-=denominatorR;
}
ystart++;
}
if (yend==yL2) // end of left segment, get next line from list
{
xL1=xL2;
yL1=yL2;
zL1=zL2;
currentL++;
if (currentL>numpoints-1)
currentL=0;
xL2=(long)TVectors[currentpoly->ClippedVectorIndex[currentL]].x; // end line left
yL2=(long)TVectors[currentpoly->ClippedVectorIndex[currentL]].y;
zL2=TVectors[currentpoly->ClippedVectorIndex[currentL]].z;
numeratorL=xL2-xL1;
signL=1;
denominatorL=yL2-yL1;
incrementL=denominatorL;
if (denominatorL!=0)
{
inczL=(zL2-zL1)/(MFLOAT)(denominatorL);
}
else
{
inczL=0;
}
if (numeratorL<0)
{
numeratorL=-numeratorL;
signL=-signL;
}
}
else
{
if (yend==yR2)
{
xR1=xR2;
yR1=yR2;
zR1=zR2;
currentR--;
if (currentR<0)
currentR=numpoints-1;
xR2=(long)TVectors[currentpoly->ClippedVectorIndex[currentR]].x; // end line right
yR2=(long)TVectors[currentpoly->ClippedVectorIndex[currentR]].y;
zR2=TVectors[currentpoly->ClippedVectorIndex [currentR]].z;
numeratorR=xR2-xR1;
signR=1;
denominatorR=yR2-yR1;
incrementR=denominatorR;
if (denominatorR!=0)
{
inczR=(zR2-zR1)/(MFLOAT)(denominatorR);
}
else
{
inczR=0;
}
if (numeratorR<0)
{
numeratorR=-numeratorR;
signR=-signR;
}
}
}
}
}
