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Hash :
c03e1e0a
Author :
Date :
2025-09-16T18:15:51
[iup] Use a bit-page instead of bit-set Reject large contours instead.
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/*
* Copyright © 2024 Google, Inc.
*
* This is part of HarfBuzz, a text shaping library.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and its documentation for any purpose, provided that the
* above copyright notice and the following two paragraphs appear in
* all copies of this software.
*
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*/
#ifndef HB_SUBSET_INSTANCER_IUP_HH
#define HB_SUBSET_INSTANCER_IUP_HH
#include "hb-subset-plan.hh"
struct iup_scratch_t
{
hb_vector_t<unsigned> end_points;
hb_vector_t<double> interp_x_deltas;
hb_vector_t<double> interp_y_deltas;
hb_vector_t<unsigned> costs;
hb_vector_t<int> chain;
hb_vector_t<bool> rot_indices;
hb_vector_t<int> rot_x_deltas;
hb_vector_t<int> rot_y_deltas;
contour_point_vector_t rot_points;
};
/* given contour points and deltas, optimize a set of referenced points within error
* tolerance. Returns optimized referenced point indices */
HB_INTERNAL bool iup_delta_optimize (const contour_point_vector_t& contour_points,
const hb_vector_t<int>& x_deltas,
const hb_vector_t<int>& y_deltas,
hb_vector_t<bool>& opt_indices, /* OUT */
iup_scratch_t &scratch,
double tolerance = 0.0);
#endif /* HB_SUBSET_INSTANCER_IUP_HH */