/* Resamples N input maps into 1 output map.
* For every pixel in the output map all input maps are scanned.
* The output value of the pixel is determined according to the
* cells of the input maps at the pixel location. With an optional
* percentage a minimum coverage area for a non MV can be given.
* Returns 0 if no error occurs, 1 otherwise.
*/
int SampleCont(
MAP *out, /* write-only output map */
MAP **in, /* read-only list input maps */
double percentage, /* min. percentage for non-MV */
size_t nrMaps, /* number of input maps */
size_t nrRows, /* number of rows */
size_t nrCols, /* number of columns */
BOOL aligned, /* maps are aligned */
REAL8 angle) /* angle of output map */
{
double r, c;
size_t nrCoverCells = (size_t)ceil((percentage / 100) * rasterSize
* rasterSize);
InitCache(out, in, nrMaps);
for(r = 0; r < nrRows; r++)
{
if(nrMaps > 1 && percentage > 0)
raster = NewRaster(nrCoverCells, rasterSize);
/* Print progress information if wanted */
AppRowProgress((int) r);
for(c = 0; c < nrCols; c++)
{ /* For every output cell */
if(CalcPixel(out, in, nrCoverCells, nrMaps, r, c, aligned, angle))
return 1; /* allocation failed */
}
}
AppEndRowProgress();
if(nrMaps > 1 && percentage > 0)
FreeRaster(raster);
FreeCache(nrMaps);
return 0; /* successfully terminated */
}
SkSurface* SkSurface::NewRaster(const SkImageInfo& info, const SkSurfaceProps* props) {
return NewRaster(info, 0, props);
}
