Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/harfbuzz/src/hb-cff2-interp-cs.hh @ 22:d77477b4e151

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Let _int_rc() also handle (i.e. ignore) a local version suffix
author Franz Glasner <fzglas.hg@dom66.de>
date Fri, 19 Sep 2025 12:05:57 +0200
parents b50eed0cc0ef
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright © 2018 Adobe Inc.
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3 *
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4 * This is part of HarfBuzz, a text shaping library.
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5 *
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6 * Permission is hereby granted, without written agreement and without
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7 * license or royalty fees, to use, copy, modify, and distribute this
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8 * software and its documentation for any purpose, provided that the
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9 * above copyright notice and the following two paragraphs appear in
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10 * all copies of this software.
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11 *
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12 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
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13 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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14 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
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15 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
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16 * DAMAGE.
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17 *
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18 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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19 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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20 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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21 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
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22 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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23 *
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24 * Adobe Author(s): Michiharu Ariza
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25 */
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26 #ifndef HB_CFF2_INTERP_CS_HH
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27 #define HB_CFF2_INTERP_CS_HH
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28
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29 #include "hb.hh"
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30 #include "hb-cff-interp-cs-common.hh"
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32 namespace CFF {
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34 using namespace OT;
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35
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36 struct blend_arg_t : number_t
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37 {
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38 void set_int (int v) { reset_blends (); number_t::set_int (v); }
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39 void set_fixed (int32_t v) { reset_blends (); number_t::set_fixed (v); }
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40 void set_real (double v) { reset_blends (); number_t::set_real (v); }
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41
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42 void set_blends (unsigned int numValues_, unsigned int valueIndex_,
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43 hb_array_t<const blend_arg_t> blends_)
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44 {
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45 numValues = numValues_;
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46 valueIndex = valueIndex_;
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47 unsigned numBlends = blends_.length;
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48 if (unlikely (!deltas.resize (numBlends)))
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49 return;
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50 for (unsigned int i = 0; i < numBlends; i++)
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51 deltas.arrayZ[i] = blends_.arrayZ[i];
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52 }
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53
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54 bool blending () const { return deltas.length > 0; }
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55 void reset_blends ()
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56 {
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57 numValues = valueIndex = 0;
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58 deltas.resize (0);
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59 }
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60
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61 unsigned int numValues;
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62 unsigned int valueIndex;
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63 hb_vector_t<number_t> deltas;
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64 };
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65
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66 typedef biased_subrs_t<CFF2Subrs> cff2_biased_subrs_t;
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67
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68 template <typename ELEM>
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69 struct cff2_cs_interp_env_t : cs_interp_env_t<ELEM, CFF2Subrs>
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70 {
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71 template <typename ACC>
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72 cff2_cs_interp_env_t (const hb_ubytes_t &str, ACC &acc, unsigned int fd,
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73 const int *coords_=nullptr, unsigned int num_coords_=0)
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74 : SUPER (str, acc.globalSubrs, acc.privateDicts[fd].localSubrs)
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75 {
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76 coords = coords_;
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77 num_coords = num_coords_;
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78 varStore = acc.varStore;
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79 seen_blend = false;
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80 seen_vsindex_ = false;
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81 scalars.init ();
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82 do_blend = num_coords && coords && varStore->size;
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83 set_ivs (acc.privateDicts[fd].ivs);
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84 }
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85
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86 void fini ()
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87 {
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88 scalars.fini ();
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89 SUPER::fini ();
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90 }
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91
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92 op_code_t fetch_op ()
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93 {
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94 if (this->str_ref.avail ())
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95 return SUPER::fetch_op ();
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96
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97 /* make up return or endchar op */
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98 if (this->callStack.is_empty ())
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99 return OpCode_endchar;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
100 else
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
101 return OpCode_return;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
102 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
103
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
104 const ELEM& eval_arg (unsigned int i)
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
105 {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
106 return SUPER::argStack[i];
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
107 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
108
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
109 const ELEM& pop_arg ()
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
110 {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
111 return SUPER::argStack.pop ();
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
112 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
113
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
114 void process_blend ()
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
115 {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
116 if (!seen_blend)
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
117 {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
118 region_count = varStore->varStore.get_region_index_count (get_ivs ());
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
119 if (do_blend)
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
120 {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
121 if (unlikely (!scalars.resize (region_count)))
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
122 SUPER::set_error ();
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
123 else
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
124 varStore->varStore.get_region_scalars (get_ivs (), coords, num_coords,
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
125 &scalars[0], region_count);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
126 }
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
127 seen_blend = true;
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
128 }
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parents:
diff changeset
129 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
130
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
131 void process_vsindex ()
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
132 {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
133 unsigned int index = SUPER::argStack.pop_uint ();
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
134 if (unlikely (seen_vsindex () || seen_blend))
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
135 {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
136 SUPER::set_error ();
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
137 }
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
138 else
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
139 {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
140 set_ivs (index);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
141 }
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
142 seen_vsindex_ = true;
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
143 }
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parents:
diff changeset
144
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
145 unsigned int get_region_count () const { return region_count; }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
146 void set_region_count (unsigned int region_count_) { region_count = region_count_; }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
147 unsigned int get_ivs () const { return ivs; }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
148 void set_ivs (unsigned int ivs_) { ivs = ivs_; }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
149 bool seen_vsindex () const { return seen_vsindex_; }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
diff changeset
150
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
151 double blend_deltas (hb_array_t<const ELEM> deltas) const
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
152 {
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parents:
diff changeset
153 double v = 0;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
154 if (do_blend)
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
155 {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
156 if (likely (scalars.length == deltas.length))
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
157 {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
158 unsigned count = scalars.length;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
159 for (unsigned i = 0; i < count; i++)
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
160 v += (double) scalars.arrayZ[i] * deltas.arrayZ[i].to_real ();
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
161 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
162 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
163 return v;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
164 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
diff changeset
165
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
166 protected:
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
167 const int *coords;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
168 unsigned int num_coords;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
169 const CFF2VariationStore *varStore;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
170 unsigned int region_count;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
171 unsigned int ivs;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
172 hb_vector_t<float> scalars;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
173 bool do_blend;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
174 bool seen_vsindex_;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
175 bool seen_blend;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
176
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
177 typedef cs_interp_env_t<ELEM, CFF2Subrs> SUPER;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
178 };
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
179 template <typename OPSET, typename PARAM, typename ELEM, typename PATH=path_procs_null_t<cff2_cs_interp_env_t<ELEM>, PARAM>>
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
180 struct cff2_cs_opset_t : cs_opset_t<ELEM, OPSET, cff2_cs_interp_env_t<ELEM>, PARAM, PATH>
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
181 {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
182 static void process_op (op_code_t op, cff2_cs_interp_env_t<ELEM> &env, PARAM& param)
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
183 {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
184 switch (op) {
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
185 case OpCode_callsubr:
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
186 case OpCode_callgsubr:
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
187 /* a subroutine number shouldn't be a blended value */
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
188 #if 0
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
189 if (unlikely (env.argStack.peek ().blending ()))
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
190 {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
191 env.set_error ();
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
192 break;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
193 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
194 #endif
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
195 SUPER::process_op (op, env, param);
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
196 break;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
197
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
198 case OpCode_blendcs:
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
199 OPSET::process_blend (env, param);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
200 break;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
201
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
202 case OpCode_vsindexcs:
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203 #if 0
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204 if (unlikely (env.argStack.peek ().blending ()))
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205 {
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206 env.set_error ();
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207 break;
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208 }
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209 #endif
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210 OPSET::process_vsindex (env, param);
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211 break;
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212
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213 default:
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214 SUPER::process_op (op, env, param);
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215 }
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216 }
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217
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218 template <typename T = ELEM,
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219 hb_enable_if (hb_is_same (T, blend_arg_t))>
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220 static void process_arg_blend (cff2_cs_interp_env_t<ELEM> &env,
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221 ELEM &arg,
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222 const hb_array_t<const ELEM> blends,
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223 unsigned n, unsigned i)
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224 {
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225 arg.set_blends (n, i, blends);
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226 }
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227 template <typename T = ELEM,
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228 hb_enable_if (!hb_is_same (T, blend_arg_t))>
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229 static void process_arg_blend (cff2_cs_interp_env_t<ELEM> &env,
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230 ELEM &arg,
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231 const hb_array_t<const ELEM> blends,
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232 unsigned n, unsigned i)
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233 {
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234 arg.set_real (arg.to_real () + env.blend_deltas (blends));
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235 }
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236
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237 static void process_blend (cff2_cs_interp_env_t<ELEM> &env, PARAM& param)
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238 {
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239 unsigned int n, k;
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240
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241 env.process_blend ();
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242 k = env.get_region_count ();
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243 n = env.argStack.pop_uint ();
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244 /* copy the blend values into blend array of the default values */
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245 unsigned int start = env.argStack.get_count () - ((k+1) * n);
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246 /* let an obvious error case fail, but note CFF2 spec doesn't forbid n==0 */
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247 if (unlikely (start > env.argStack.get_count ()))
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248 {
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249 env.set_error ();
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250 return;
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251 }
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252 for (unsigned int i = 0; i < n; i++)
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253 {
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254 const hb_array_t<const ELEM> blends = env.argStack.sub_array (start + n + (i * k), k);
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255 process_arg_blend (env, env.argStack[start + i], blends, n, i);
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256 }
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257
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258 /* pop off blend values leaving default values now adorned with blend values */
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259 env.argStack.pop (k * n);
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260 }
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261
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262 static void process_vsindex (cff2_cs_interp_env_t<ELEM> &env, PARAM& param)
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263 {
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diff changeset
264 env.process_vsindex ();
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265 env.clear_args ();
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266 }
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267
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268 private:
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269 typedef cs_opset_t<ELEM, OPSET, cff2_cs_interp_env_t<ELEM>, PARAM, PATH> SUPER;
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270 };
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271
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272 template <typename OPSET, typename PARAM, typename ELEM>
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273 using cff2_cs_interpreter_t = cs_interpreter_t<cff2_cs_interp_env_t<ELEM>, OPSET, PARAM>;
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274
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275 } /* namespace CFF */
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276
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diff changeset
277 #endif /* HB_CFF2_INTERP_CS_HH */