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Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/hb-ot-color-cpal-table.hh')
| -rw-r--r-- | src/3rdparty/harfbuzz-ng/src/hb-ot-color-cpal-table.hh | 300 |
1 files changed, 0 insertions, 300 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-color-cpal-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-color-cpal-table.hh deleted file mode 100644 index 9ee4bafb2a..0000000000 --- a/src/3rdparty/harfbuzz-ng/src/hb-ot-color-cpal-table.hh +++ /dev/null @@ -1,300 +0,0 @@ -/* - * Copyright © 2016 Google, Inc. - * Copyright © 2018 Ebrahim Byagowi - * - * 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. - * - * Google Author(s): Sascha Brawer - */ - -#ifndef HB_OT_COLOR_CPAL_TABLE_HH -#define HB_OT_COLOR_CPAL_TABLE_HH - -#include "hb-open-type.hh" -#include "hb-ot-color.h" -#include "hb-ot-name.h" - - -/* - * CPAL -- Color Palette - * https://docs.microsoft.com/en-us/typography/opentype/spec/cpal - */ -#define HB_OT_TAG_CPAL HB_TAG('C','P','A','L') - -namespace OT { - - -struct CPALV1Tail -{ - friend struct CPAL; - - private: - hb_ot_color_palette_flags_t get_palette_flags (const void *base, - unsigned int palette_index, - unsigned int palette_count) const - { - if (!paletteFlagsZ) return HB_OT_COLOR_PALETTE_FLAG_DEFAULT; - return (hb_ot_color_palette_flags_t) (uint32_t) - (base+paletteFlagsZ).as_array (palette_count)[palette_index]; - } - - hb_ot_name_id_t get_palette_name_id (const void *base, - unsigned int palette_index, - unsigned int palette_count) const - { - if (!paletteLabelsZ) return HB_OT_NAME_ID_INVALID; - return (base+paletteLabelsZ).as_array (palette_count)[palette_index]; - } - - hb_ot_name_id_t get_color_name_id (const void *base, - unsigned int color_index, - unsigned int color_count) const - { - if (!colorLabelsZ) return HB_OT_NAME_ID_INVALID; - return (base+colorLabelsZ).as_array (color_count)[color_index]; - } - - public: - bool serialize (hb_serialize_context_t *c, - unsigned palette_count, - unsigned color_count, - const void *base, - const hb_map_t *color_index_map) const - { - TRACE_SERIALIZE (this); - auto *out = c->allocate_size<CPALV1Tail> (static_size); - if (unlikely (!out)) return_trace (false); - - out->paletteFlagsZ.serialize_copy (c, paletteFlagsZ, base, 0, hb_serialize_context_t::Head, palette_count); - out->paletteLabelsZ.serialize_copy (c, paletteLabelsZ, base, 0, hb_serialize_context_t::Head, palette_count); - - const hb_array_t<const NameID> colorLabels = (base+colorLabelsZ).as_array (color_count); - if (colorLabelsZ) - { - c->push (); - for (const auto _ : colorLabels) - { - if (!color_index_map->has (_)) continue; - NameID new_color_idx; - new_color_idx = color_index_map->get (_); - if (!c->copy<NameID> (new_color_idx)) - { - c->pop_discard (); - return_trace (false); - } - } - c->add_link (out->colorLabelsZ, c->pop_pack ()); - } - return_trace (true); - } - - bool sanitize (hb_sanitize_context_t *c, - const void *base, - unsigned int palette_count, - unsigned int color_count) const - { - TRACE_SANITIZE (this); - return_trace (c->check_struct (this) && - (!paletteFlagsZ || (base+paletteFlagsZ).sanitize (c, palette_count)) && - (!paletteLabelsZ || (base+paletteLabelsZ).sanitize (c, palette_count)) && - (!colorLabelsZ || (base+colorLabelsZ).sanitize (c, color_count))); - } - - protected: - NNOffset32To<UnsizedArrayOf<HBUINT32>> - paletteFlagsZ; /* Offset from the beginning of CPAL table to - * the Palette Type Array. Set to 0 if no array - * is provided. */ - NNOffset32To<UnsizedArrayOf<NameID>> - paletteLabelsZ; /* Offset from the beginning of CPAL table to - * the palette labels array. Set to 0 if no - * array is provided. */ - NNOffset32To<UnsizedArrayOf<NameID>> - colorLabelsZ; /* Offset from the beginning of CPAL table to - * the color labels array. Set to 0 - * if no array is provided. */ - public: - DEFINE_SIZE_STATIC (12); -}; - -typedef HBUINT32 BGRAColor; - -struct CPAL -{ - static constexpr hb_tag_t tableTag = HB_OT_TAG_CPAL; - - bool has_data () const { return numPalettes; } - - unsigned int get_size () const - { return min_size + numPalettes * sizeof (colorRecordIndicesZ[0]); } - - unsigned int get_palette_count () const { return numPalettes; } - unsigned int get_color_count () const { return numColors; } - - hb_ot_color_palette_flags_t get_palette_flags (unsigned int palette_index) const - { return v1 ().get_palette_flags (this, palette_index, numPalettes); } - - hb_ot_name_id_t get_palette_name_id (unsigned int palette_index) const - { return v1 ().get_palette_name_id (this, palette_index, numPalettes); } - - hb_ot_name_id_t get_color_name_id (unsigned int color_index) const - { return v1 ().get_color_name_id (this, color_index, numColors); } - - unsigned int get_palette_colors (unsigned int palette_index, - unsigned int start_offset, - unsigned int *color_count, /* IN/OUT. May be NULL. */ - hb_color_t *colors /* OUT. May be NULL. */) const - { - if (unlikely (palette_index >= numPalettes)) - { - if (color_count) *color_count = 0; - return 0; - } - unsigned int start_index = colorRecordIndicesZ[palette_index]; - hb_array_t<const BGRAColor> all_colors ((this+colorRecordsZ).arrayZ, numColorRecords); - hb_array_t<const BGRAColor> palette_colors = all_colors.sub_array (start_index, - numColors); - if (color_count) - { - + palette_colors.sub_array (start_offset, color_count) - | hb_sink (hb_array (colors, *color_count)) - ; - } - return numColors; - } - - private: - const CPALV1Tail& v1 () const - { - if (version == 0) return Null (CPALV1Tail); - return StructAfter<CPALV1Tail> (*this); - } - - public: - bool serialize (hb_serialize_context_t *c, - const hb_array_t<const BGRAColor> &color_records, - const hb_array_t<const HBUINT16> &color_record_indices, - const hb_map_t &color_record_index_map, - const hb_set_t &retained_color_record_indices) const - { - TRACE_SERIALIZE (this); - - for (const auto idx : color_record_indices) - { - HBUINT16 new_idx; - if (idx == 0) new_idx = 0; - else new_idx = color_record_index_map.get (idx); - if (!c->copy<HBUINT16> (new_idx)) return_trace (false); - } - - c->push (); - for (const auto _ : retained_color_record_indices.iter ()) - { - if (!c->copy<BGRAColor> (color_records[_])) - { - c->pop_discard (); - return_trace (false); - } - } - c->add_link (colorRecordsZ, c->pop_pack ()); - return_trace (true); - } - - bool subset (hb_subset_context_t *c) const - { - TRACE_SUBSET (this); - const hb_map_t *color_index_map = c->plan->colr_palettes; - if (color_index_map->is_empty ()) return_trace (false); - - hb_set_t retained_color_indices; - for (const auto _ : color_index_map->keys ()) - { - if (_ == 0xFFFF) continue; - retained_color_indices.add (_); - } - if (retained_color_indices.is_empty ()) return_trace (false); - - auto *out = c->serializer->start_embed (*this); - if (unlikely (!c->serializer->extend_min (out))) return_trace (false); - - out->version = version; - out->numColors = retained_color_indices.get_population (); - out->numPalettes = numPalettes; - - const hb_array_t<const HBUINT16> colorRecordIndices = colorRecordIndicesZ.as_array (numPalettes); - hb_map_t color_record_index_map; - hb_set_t retained_color_record_indices; - - unsigned record_count = 0; - for (const auto first_color_record_idx : colorRecordIndices) - { - for (unsigned retained_color_idx : retained_color_indices.iter ()) - { - unsigned color_record_idx = first_color_record_idx + retained_color_idx; - if (color_record_index_map.has (color_record_idx)) continue; - color_record_index_map.set (color_record_idx, record_count); - retained_color_record_indices.add (color_record_idx); - record_count++; - } - } - - out->numColorRecords = record_count; - const hb_array_t<const BGRAColor> color_records = (this+colorRecordsZ).as_array (numColorRecords); - if (!out->serialize (c->serializer, color_records, colorRecordIndices, color_record_index_map, retained_color_record_indices)) - return_trace (false); - - if (version == 1) - return_trace (v1 ().serialize (c->serializer, numPalettes, numColors, this, color_index_map)); - - return_trace (true); - } - - bool sanitize (hb_sanitize_context_t *c) const - { - TRACE_SANITIZE (this); - return_trace (c->check_struct (this) && - (this+colorRecordsZ).sanitize (c, numColorRecords) && - colorRecordIndicesZ.sanitize (c, numPalettes) && - (version == 0 || v1 ().sanitize (c, this, numPalettes, numColors))); - } - - protected: - HBUINT16 version; /* Table version number */ - /* Version 0 */ - HBUINT16 numColors; /* Number of colors in each palette. */ - HBUINT16 numPalettes; /* Number of palettes in the table. */ - HBUINT16 numColorRecords; /* Total number of color records, combined for - * all palettes. */ - NNOffset32To<UnsizedArrayOf<BGRAColor>> - colorRecordsZ; /* Offset from the beginning of CPAL table to - * the first ColorRecord. */ - UnsizedArrayOf<HBUINT16> - colorRecordIndicesZ; /* Index of each palette’s first color record in - * the combined color record array. */ -/*CPALV1Tail v1;*/ - public: - DEFINE_SIZE_ARRAY (12, colorRecordIndicesZ); -}; - -} /* namespace OT */ - - -#endif /* HB_OT_COLOR_CPAL_TABLE_HH */ |