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    Searched refs:filter_size (Results 1 - 2 of 2) sorted by null

  /external/chromium_org/skia/ext/
image_operations.cc 46 // |filter_size| is the width of the filter (the "window"), outside of which
49 // lanczos(x) = sinc(x) * sinc(x / filter_size);
52 float EvalLanczos(int filter_size, float x) {
53 if (x <= -filter_size || x >= filter_size)
60 sin(xpi / filter_size) / (xpi / filter_size); // sinc(x/filter_size)
66 // The filter covers [-filter_size, +filter_size]. Outside of this windo
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convolver.cc 288 int filter_size = filter_length; local
317 instance.length = filter_size;
524 int filter_offset, filter_length, filter_size; local
528 filter.GetSingleFilter(&filter_size, &filter_offset, &filter_length);
530 if (filter_values == NULL || image_size.width() < filter_size) {
536 if (filter_size - filter_offset != 2 * filter_offset) {
539 centrepoint = filter_size / 2 - filter_offset;
608 int filter_offset, filter_length, filter_size; local
612 filter.GetSingleFilter(&filter_size, &filter_offset, &filter_length);
614 if (filter_values == NULL || image_size.height() < filter_size) {
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