#include "zone.h"
#if 0
-void QuadraticSplineSubdivideFloat(int inpoints, int components, const float *in, int instride, float *out, int outstride)
+void QuadraticBSplineSubdivideFloat(int inpoints, int components, const float *in, int instride, float *out, int outstride)
{
int s;
// the input (control points) is read as a stream of points, and buffered
{
// more components can be handled, but slowly, by calling self multiple times...
for (c = 0;c < components;c++, in++, out++)
- QuadraticSplineSubdivideFloat(inpoints, 1, in, instride, out, outstride);
+ QuadraticBSplineSubdivideFloat(inpoints, 1, in, instride, out, outstride);
return;
}
for (c = 0;c < components;c++)
// note: out must have enough room!
// (see finalwidth/finalheight calcs below)
-void QuadraticSplinePatchSubdivideFloatBuffer(int cpwidth, int cpheight, int xlevel, int ylevel, int components, const float *in, float *out)
+void QuadraticBSplinePatchSubdivideFloatBuffer(int cpwidth, int cpheight, int xlevel, int ylevel, int components, const float *in, float *out)
{
int finalwidth, finalheight, xstep, ystep, x, y, c;
float *o;
if (xlevel == 1 && ylevel == 0)
{
for (y = 0;y < finalheight;y++)
- QuadraticSplineSubdivideFloat(cpwidth, components, in + y * cpwidth * components, sizeof(float) * components, out + y * finalwidth * components, sizeof(float) * components);
+ QuadraticBSplineSubdivideFloat(cpwidth, components, in + y * cpwidth * components, sizeof(float) * components, out + y * finalwidth * components, sizeof(float) * components);
return;
}
if (xlevel == 0 && ylevel == 1)
{
for (x = 0;x < finalwidth;x++)
- QuadraticSplineSubdivideFloat(cpheight, components, in + x * components, sizeof(float) * cpwidth * components, out + x * components, sizeof(float) * finalwidth * components);
+ QuadraticBSplineSubdivideFloat(cpheight, components, in + x * components, sizeof(float) * cpwidth * components, out + x * components, sizeof(float) * finalwidth * components);
return;
}
{
xstep >>= 1;
for (y = 0;y < finalheight;y += ystep)
- QuadraticSplineSubdivideFloat(cpwidth, components, out + y * finalwidth * components, sizeof(float) * xstep * 2 * components, out + y * finalwidth * components, sizeof(float) * xstep * components);
+ QuadraticBSplineSubdivideFloat(cpwidth, components, out + y * finalwidth * components, sizeof(float) * xstep * 2 * components, out + y * finalwidth * components, sizeof(float) * xstep * components);
cpwidth = (cpwidth - 1) * 2 + 1;
}
if (ystep > 1)
{
ystep >>= 1;
for (x = 0;x < finalwidth;x += xstep)
- QuadraticSplineSubdivideFloat(cpheight, components, out + x * components, sizeof(float) * ystep * 2 * finalwidth * components, out + x * components, sizeof(float) * ystep * finalwidth * components);
+ QuadraticBSplineSubdivideFloat(cpheight, components, out + x * components, sizeof(float) * ystep * 2 * finalwidth * components, out + x * components, sizeof(float) * ystep * finalwidth * components);
cpheight = (cpheight - 1) * 2 + 1;
}
}
}
#elif 1
-void QuadraticSplinePatchSubdivideFloatBuffer(int cpwidth, int cpheight, int xlevel, int ylevel, int components, const float *in, float *out)
+void QuadraticBSplinePatchSubdivideFloatBuffer(int cpwidth, int cpheight, int xlevel, int ylevel, int components, const float *in, float *out)
{
int c, x, y, outwidth, outheight, halfstep, xstep, ystep;
float prev, curr, next;
}
#else
// unfinished code
-void QuadraticSplinePatchSubdivideFloatBuffer(int cpwidth, int cpheight, int xlevel, int ylevel, int components, const float *in, float *out)
+void QuadraticBSplinePatchSubdivideFloatBuffer(int cpwidth, int cpheight, int xlevel, int ylevel, int components, const float *in, float *out)
{
int outwidth, outheight;
outwidth = ((cpwidth - 1) << xlevel) + 1;
0.00000 0.12500 0.21875 0.31250 0.37500 0.43750 0.46875 0.50000 0.50000 0.50000 0.46875 0.43750 0.37500 0.31250 0.21875 0.12500 0.00000 deviation: not available
*/
-float QuadraticSplinePatchLargestDeviationOnX(int cpwidth, int cpheight, int components, const float *in)
+float QuadraticBSplinePatchLargestDeviationOnX(int cpwidth, int cpheight, int components, const float *in)
{
int c, x, y;
const float *cp;
return (float)sqrt(bestsquareddeviation);
}
-float QuadraticSplinePatchLargestDeviationOnY(int cpwidth, int cpheight, int components, const float *in)
+float QuadraticBSplinePatchLargestDeviationOnY(int cpwidth, int cpheight, int components, const float *in)
{
int c, x, y;
const float *cp;
return (float)sqrt(bestsquareddeviation);
}
-int QuadraticSplinePatchSubdivisionLevelForDeviation(float deviation, float level1tolerance, int levellimit)
+int QuadraticBSplinePatchSubdivisionLevelForDeviation(float deviation, float level1tolerance, int levellimit)
{
int level;
// count the automatic flatten step which reduces deviation by 50%
return level;
}
-int QuadraticSplinePatchSubdivisionLevelOnX(int cpwidth, int cpheight, int components, const float *in, float level1tolerance, int levellimit)
+int QuadraticBSplinePatchSubdivisionLevelOnX(int cpwidth, int cpheight, int components, const float *in, float level1tolerance, int levellimit)
{
- return QuadraticSplinePatchSubdivisionLevelForDeviation(QuadraticSplinePatchLargestDeviationOnX(cpwidth, cpheight, components, in), level1tolerance, levellimit);
+ return QuadraticBSplinePatchSubdivisionLevelForDeviation(QuadraticBSplinePatchLargestDeviationOnX(cpwidth, cpheight, components, in), level1tolerance, levellimit);
}
-int QuadraticSplinePatchSubdivisionLevelOnY(int cpwidth, int cpheight, int components, const float *in, float level1tolerance, int levellimit)
+int QuadraticBSplinePatchSubdivisionLevelOnY(int cpwidth, int cpheight, int components, const float *in, float level1tolerance, int levellimit)
{
- return QuadraticSplinePatchSubdivisionLevelForDeviation(QuadraticSplinePatchLargestDeviationOnY(cpwidth, cpheight, components, in), level1tolerance, levellimit);
+ return QuadraticBSplinePatchSubdivisionLevelForDeviation(QuadraticBSplinePatchLargestDeviationOnY(cpwidth, cpheight, components, in), level1tolerance, levellimit);
}
/*