Cross Reference: /external/ImageMagick/MagickCore/resample.c

Lines Matching defs:filter
79 #define FILTER_LUT 1          /* Use a LUT rather then direct filter calls */
87 #define WLUT_WIDTH 1024       /* size of the filter cache */
118     filter;
139   /* Use a Direct call to the filter functions */
147   /* the practical working support of the filter */
172 %  weighting (filter) function.  For more details see "Fundamentals of Texture
234   SetResampleFilter(resample_filter,image->filter);
310 %    o resample_filter: the resample filter.
877    * that the result contains the reconstruction kernel filter support
1024 %  size of the ellipse will match the support for the resampling filter being
1055   /* A 'point' filter forces use of interpolation instead of area sampling */
1056   if ( resample_filter->filter == PointFilter )
1121     However filter support is fixed to 2.0 (no good for Windowed Sinc filters)
1233 %  SetResampleFilter() set the resampling filter lookup table based on a
1234 %  specific filter.  Note that the filter is used as a radial filter not as a
1235 %  two pass othogonally aligned resampling filter.
1240 %      const FilterType filter)
1246 %    o filter: the resize filter for elliptical weighting LUT
1250   const FilterType filter)
1259   resample_filter->filter = filter;
1261   /* Default cylindrical filter is a Cubic Keys filter */
1262   if ( filter == UndefinedFilter )
1263     resample_filter->filter = RobidouxFilter;
1265   if ( resample_filter->filter == PointFilter ) {
1271     resample_filter->filter,MagickTrue,resample_filter->exception);
1275          "Fall back to Interpolated 'Point' filter");
1276     resample_filter->filter = PointFilter;
1281   /* Get the practical working support for the filter,
1291   /* Fill the LUT with the weights from the selected filter function */
1297     /* Scale radius so the filter LUT covers the full support range */
1303     /* finished with the resize filter */
1307   /* save the filter and the scaled ellipse bounds needed for filter */
1315     take place AFTER the filter method has been initialized.
1352         /* Debug output of the filter weighting LUT
1355           The filter values should be normalized for comparision
1358         printf("# Resampling Filter LUT (%d values) for '%s' filter\n",
1360                    resample_filter->filter) );
1366         printf("# so you can use gnuplot to plot this cylindrical filter\n");
1370         /* Scale radius so the filter LUT covers the full support range */
1398 %  SetResampleFilterInterpolateMethod() sets the resample filter interpolation
1408 %    o resample_filter: the resample filter.
1439 %  associated with the specified resample filter.
1448 %    o resample_filter: the resample filter.