LCOV - code coverage report
Current view: top level - gfx/sfntly/cpp/src/sfntly/table/bitmap - index_sub_table_format5.cc (source / functions) Hit Total Coverage
Test: output.info Lines: 0 181 0.0 %
Date: 2017-07-14 16:53:18 Functions: 0 45 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /*
       2             :  * Copyright 2011 Google Inc. All Rights Reserved.
       3             :  *
       4             :  * Licensed under the Apache License, Version 2.0 (the "License");
       5             :  * you may not use this file except in compliance with the License.
       6             :  * You may obtain a copy of the License at
       7             :  *
       8             :  *      http://www.apache.org/licenses/LICENSE-2.0
       9             :  *
      10             :  * Unless required by applicable law or agreed to in writing, software
      11             :  * distributed under the License is distributed on an "AS IS" BASIS,
      12             :  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      13             :  * See the License for the specific language governing permissions and
      14             :  * limitations under the License.
      15             :  */
      16             : 
      17             : #include "sfntly/table/bitmap/index_sub_table_format5.h"
      18             : 
      19             : #include <algorithm>
      20             : 
      21             : #include "sfntly/table/bitmap/eblc_table.h"
      22             : 
      23             : namespace sfntly {
      24             : /******************************************************************************
      25             :  * IndexSubTableFormat5 class
      26             :  ******************************************************************************/
      27           0 : IndexSubTableFormat5::~IndexSubTableFormat5() {
      28           0 : }
      29             : 
      30           0 : int32_t IndexSubTableFormat5::NumGlyphs() {
      31           0 :   return NumGlyphs(data_, 0);
      32             : }
      33             : 
      34           0 : int32_t IndexSubTableFormat5::GlyphStartOffset(int32_t glyph_id) {
      35           0 :   int32_t check = CheckGlyphRange(glyph_id);
      36           0 :   if (check == -1) {
      37           0 :     return -1;
      38             :   }
      39           0 :   int32_t loca = ReadFontData()->SearchUShort(
      40             :       EblcTable::Offset::kIndexSubTable5_glyphArray,
      41             :       DataSize::kUSHORT,
      42           0 :       NumGlyphs(),
      43           0 :       glyph_id);
      44           0 :   if (loca == -1) {
      45           0 :     return loca;
      46             :   }
      47           0 :   return loca * ImageSize();
      48             : }
      49             : 
      50           0 : int32_t IndexSubTableFormat5::GlyphLength(int32_t glyph_id) {
      51           0 :   int32_t check = CheckGlyphRange(glyph_id);
      52           0 :   if (check == -1) {
      53           0 :     return 0;
      54             :   }
      55           0 :   return image_size_;
      56             : }
      57             : 
      58           0 : int32_t IndexSubTableFormat5::ImageSize() {
      59           0 :   return data_->ReadULongAsInt(EblcTable::Offset::kIndexSubTable5_imageSize);
      60             : }
      61             : 
      62           0 : CALLER_ATTACH BigGlyphMetrics* IndexSubTableFormat5::BigMetrics() {
      63           0 :   ReadableFontDataPtr data;
      64           0 :   data.Attach(down_cast<ReadableFontData*>(data_->Slice(
      65             :       EblcTable::Offset::kIndexSubTable5_bigGlyphMetrics,
      66           0 :       BigGlyphMetrics::Offset::kMetricsLength)));
      67           0 :   BigGlyphMetricsPtr output = new BigGlyphMetrics(data);
      68           0 :   return output.Detach();
      69             : }
      70             : 
      71           0 : IndexSubTableFormat5::IndexSubTableFormat5(ReadableFontData* data,
      72             :                                            int32_t first_glyph_index,
      73           0 :                                            int32_t last_glyph_index)
      74           0 :     : IndexSubTable(data, first_glyph_index, last_glyph_index) {
      75           0 :   image_size_ = data_->ReadULongAsInt(
      76           0 :       EblcTable::Offset::kIndexSubTable5_imageSize);
      77           0 : }
      78             : 
      79             : // static
      80           0 : int32_t IndexSubTableFormat5::NumGlyphs(ReadableFontData* data,
      81             :                                         int32_t table_offset) {
      82           0 :   int32_t num_glyphs = data->ReadULongAsInt(table_offset +
      83           0 :       EblcTable::Offset::kIndexSubTable5_numGlyphs);
      84           0 :   return num_glyphs;
      85             : }
      86             : 
      87             : /******************************************************************************
      88             :  * IndexSubTableFormat5::Builder class
      89             :  ******************************************************************************/
      90           0 : IndexSubTableFormat5::Builder::~Builder() {
      91           0 : }
      92             : 
      93           0 : int32_t IndexSubTableFormat5::Builder::NumGlyphs() {
      94           0 :   return GetGlyphArray()->size();
      95             : }
      96             : 
      97           0 : int32_t IndexSubTableFormat5::Builder::GlyphLength(int32_t glyph_id) {
      98             :   UNREFERENCED_PARAMETER(glyph_id);
      99           0 :   return ImageSize();
     100             : }
     101             : 
     102           0 : int32_t IndexSubTableFormat5::Builder::GlyphStartOffset(int32_t glyph_id) {
     103           0 :   int32_t check = CheckGlyphRange(glyph_id);
     104           0 :   if (check == -1) {
     105           0 :     return -1;
     106             :   }
     107           0 :   IntegerList* glyph_array = GetGlyphArray();
     108             :   IntegerList::iterator it = std::find(glyph_array->begin(),
     109             :                                        glyph_array->end(),
     110           0 :                                        glyph_id);
     111           0 :   if (it == glyph_array->end()) {
     112           0 :     return -1;
     113             :   }
     114           0 :   return (it - glyph_array->begin()) * ImageSize();
     115             : }
     116             : 
     117             : CALLER_ATTACH IndexSubTableFormat5::Builder::BitmapGlyphInfoIterator*
     118           0 :     IndexSubTableFormat5::Builder::GetIterator() {
     119             :   Ptr<IndexSubTableFormat5::Builder::BitmapGlyphInfoIterator> it =
     120           0 :       new IndexSubTableFormat5::Builder::BitmapGlyphInfoIterator(this);
     121           0 :   return it.Detach();
     122             : }
     123             : 
     124             : // static
     125             : CALLER_ATTACH IndexSubTableFormat5::Builder*
     126           0 : IndexSubTableFormat5::Builder::CreateBuilder() {
     127           0 :   IndexSubTableFormat5BuilderPtr output = new IndexSubTableFormat5::Builder();
     128           0 :   return output.Detach();
     129             : }
     130             : 
     131             : // static
     132             : CALLER_ATTACH IndexSubTableFormat5::Builder*
     133           0 : IndexSubTableFormat5::Builder::CreateBuilder(ReadableFontData* data,
     134             :                                              int32_t index_sub_table_offset,
     135             :                                              int32_t first_glyph_index,
     136             :                                              int32_t last_glyph_index) {
     137             :   int32_t length = Builder::DataLength(data,
     138             :                                        index_sub_table_offset,
     139             :                                        first_glyph_index,
     140           0 :                                        last_glyph_index);
     141           0 :   ReadableFontDataPtr new_data;
     142           0 :   new_data.Attach(down_cast<ReadableFontData*>(
     143           0 :       data->Slice(index_sub_table_offset, length)));
     144           0 :   if (new_data == NULL) {
     145           0 :     return NULL;
     146             :   }
     147             :   IndexSubTableFormat5BuilderPtr output =
     148             :       new IndexSubTableFormat5::Builder(new_data,
     149             :                                         first_glyph_index,
     150           0 :                                         last_glyph_index);
     151           0 :   return output.Detach();
     152             : }
     153             : 
     154             : // static
     155             : CALLER_ATTACH IndexSubTableFormat5::Builder*
     156           0 : IndexSubTableFormat5::Builder::CreateBuilder(WritableFontData* data,
     157             :                                              int32_t index_sub_table_offset,
     158             :                                              int32_t first_glyph_index,
     159             :                                              int32_t last_glyph_index) {
     160             :   int32_t length = Builder::DataLength(data,
     161             :                                        index_sub_table_offset,
     162             :                                        first_glyph_index,
     163           0 :                                        last_glyph_index);
     164           0 :   WritableFontDataPtr new_data;
     165           0 :   new_data.Attach(down_cast<WritableFontData*>(
     166           0 :       data->Slice(index_sub_table_offset, length)));
     167             :   IndexSubTableFormat5BuilderPtr output =
     168             :       new IndexSubTableFormat5::Builder(new_data,
     169             :                                         first_glyph_index,
     170           0 :                                         last_glyph_index);
     171           0 :   return output.Detach();
     172             : }
     173             : 
     174           0 : CALLER_ATTACH FontDataTable* IndexSubTableFormat5::Builder::SubBuildTable(
     175             :     ReadableFontData* data) {
     176             :   IndexSubTableFormat5Ptr output = new IndexSubTableFormat5(
     177           0 :       data, first_glyph_index(), last_glyph_index());
     178           0 :   return output.Detach();
     179             : }
     180             : 
     181           0 : void IndexSubTableFormat5::Builder::SubDataSet() {
     182           0 :   Revert();
     183           0 : }
     184             : 
     185           0 : int32_t IndexSubTableFormat5::Builder::SubDataSizeToSerialize() {
     186           0 :   if (glyph_array_.empty()) {
     187           0 :     return InternalReadData()->Length();
     188             :   }
     189             :   return EblcTable::Offset::kIndexSubTable5_builderDataSize +
     190           0 :          glyph_array_.size() * DataSize::kUSHORT;
     191             : }
     192             : 
     193           0 : bool IndexSubTableFormat5::Builder::SubReadyToSerialize() {
     194           0 :   if (!glyph_array_.empty()) {
     195           0 :     return true;
     196             :   }
     197           0 :   return false;
     198             : }
     199             : 
     200           0 : int32_t IndexSubTableFormat5::Builder::SubSerialize(
     201             :     WritableFontData* new_data) {
     202           0 :   int32_t size = SerializeIndexSubHeader(new_data);
     203           0 :   if (!model_changed()) {
     204           0 :     ReadableFontDataPtr source;
     205           0 :     WritableFontDataPtr target;
     206           0 :     source.Attach(down_cast<ReadableFontData*>(InternalReadData()->Slice(
     207           0 :         EblcTable::Offset::kIndexSubTable5_imageSize)));
     208           0 :     target.Attach(down_cast<WritableFontData*>(new_data->Slice(
     209           0 :         EblcTable::Offset::kIndexSubTable5_imageSize)));
     210           0 :     size += source->CopyTo(target);
     211             :   } else {
     212           0 :     size += new_data->WriteULong(EblcTable::Offset::kIndexSubTable5_imageSize,
     213           0 :                                  ImageSize());
     214           0 :     WritableFontDataPtr slice;
     215           0 :     slice.Attach(down_cast<WritableFontData*>(new_data->Slice(size)));
     216           0 :     size += BigMetrics()->SubSerialize(slice);
     217           0 :     size += new_data->WriteULong(size, glyph_array_.size());
     218           0 :     for (IntegerList::iterator b = glyph_array_.begin(), e = glyph_array_.end();
     219             :                                b != e; b++) {
     220           0 :       size += new_data->WriteUShort(size, *b);
     221             :     }
     222             :   }
     223           0 :   return size;
     224             : }
     225             : 
     226           0 : int32_t IndexSubTableFormat5::Builder::ImageSize() {
     227           0 :   return InternalReadData()->ReadULongAsInt(
     228           0 :       EblcTable::Offset::kIndexSubTable5_imageSize);
     229             : }
     230             : 
     231           0 : void IndexSubTableFormat5::Builder::SetImageSize(int32_t image_size) {
     232           0 :   InternalWriteData()->WriteULong(
     233           0 :       EblcTable::Offset::kIndexSubTable5_imageSize, image_size);
     234           0 : }
     235             : 
     236           0 : BigGlyphMetrics::Builder* IndexSubTableFormat5::Builder::BigMetrics() {
     237           0 :   if (metrics_ == NULL) {
     238           0 :     WritableFontDataPtr data;
     239           0 :     data.Attach(down_cast<WritableFontData*>(InternalWriteData()->Slice(
     240             :         EblcTable::Offset::kIndexSubTable5_bigGlyphMetrics,
     241           0 :         BigGlyphMetrics::Offset::kMetricsLength)));
     242           0 :     metrics_ = new BigGlyphMetrics::Builder(data);
     243           0 :     set_model_changed();
     244             :   }
     245           0 :   return metrics_;
     246             : }
     247             : 
     248           0 : IntegerList* IndexSubTableFormat5::Builder::GlyphArray() {
     249           0 :   return GetGlyphArray();
     250             : }
     251             : 
     252           0 : void IndexSubTableFormat5::Builder::SetGlyphArray(const IntegerList& v) {
     253           0 :   glyph_array_.clear();
     254           0 :   glyph_array_ = v;
     255           0 :   set_model_changed();
     256           0 : }
     257             : 
     258           0 : void IndexSubTableFormat5::Builder::Revert() {
     259           0 :   glyph_array_.clear();
     260           0 :   IndexSubTable::Builder::Revert();
     261           0 : }
     262             : 
     263           0 : IndexSubTableFormat5::Builder::Builder()
     264             :     : IndexSubTable::Builder(EblcTable::Offset::kIndexSubTable5_builderDataSize,
     265           0 :                              IndexSubTable::Format::FORMAT_5) {
     266           0 : }
     267             : 
     268           0 : IndexSubTableFormat5::Builder::Builder(WritableFontData* data,
     269             :                                        int32_t first_glyph_index,
     270           0 :                                        int32_t last_glyph_index)
     271           0 :     : IndexSubTable::Builder(data, first_glyph_index, last_glyph_index) {
     272           0 : }
     273             : 
     274           0 : IndexSubTableFormat5::Builder::Builder(ReadableFontData* data,
     275             :                                        int32_t first_glyph_index,
     276           0 :                                        int32_t last_glyph_index)
     277           0 :     : IndexSubTable::Builder(data, first_glyph_index, last_glyph_index) {
     278           0 : }
     279             : 
     280           0 : IntegerList* IndexSubTableFormat5::Builder::GetGlyphArray() {
     281           0 :   if (glyph_array_.empty()) {
     282           0 :     Initialize(InternalReadData());
     283           0 :     set_model_changed();
     284             :   }
     285           0 :   return &glyph_array_;
     286             : }
     287             : 
     288           0 : void IndexSubTableFormat5::Builder::Initialize(ReadableFontData* data) {
     289           0 :   glyph_array_.clear();
     290           0 :   if (data) {
     291           0 :     int32_t num_glyphs = IndexSubTableFormat5::NumGlyphs(data, 0);
     292           0 :     for (int32_t i = 0; i < num_glyphs; ++i) {
     293           0 :       glyph_array_.push_back(data->ReadUShort(
     294           0 :           EblcTable::Offset::kIndexSubTable5_glyphArray +
     295           0 :           i * DataSize::kUSHORT));
     296             :     }
     297             :   }
     298           0 : }
     299             : 
     300             : // static
     301           0 : int32_t IndexSubTableFormat5::Builder::DataLength(
     302             :     ReadableFontData* data,
     303             :     int32_t index_sub_table_offset,
     304             :     int32_t first_glyph_index,
     305             :     int32_t last_glyph_index) {
     306             :   int32_t num_glyphs = IndexSubTableFormat5::NumGlyphs(data,
     307           0 :                                                        index_sub_table_offset);
     308             :   UNREFERENCED_PARAMETER(first_glyph_index);
     309             :   UNREFERENCED_PARAMETER(last_glyph_index);
     310           0 :   return EblcTable::Offset::kIndexSubTable5_glyphArray +
     311           0 :          num_glyphs * DataSize::kUSHORT;
     312             : }
     313             : 
     314             : /******************************************************************************
     315             :  * IndexSubTableFormat5::Builder::BitmapGlyphInfoIterator class
     316             :  ******************************************************************************/
     317           0 : IndexSubTableFormat5::Builder::BitmapGlyphInfoIterator::BitmapGlyphInfoIterator(
     318           0 :     IndexSubTableFormat5::Builder* container)
     319             :     : RefIterator<BitmapGlyphInfo, IndexSubTableFormat5::Builder,
     320             :                   IndexSubTable::Builder>(container),
     321           0 :       offset_index_(0) {
     322           0 : }
     323             : 
     324           0 : bool IndexSubTableFormat5::Builder::BitmapGlyphInfoIterator::HasNext() {
     325           0 :   if (offset_index_ < (int32_t)(container()->GetGlyphArray()->size())) {
     326           0 :     return true;
     327             :   }
     328           0 :   return false;
     329             : }
     330             : 
     331             : CALLER_ATTACH BitmapGlyphInfo*
     332           0 : IndexSubTableFormat5::Builder::BitmapGlyphInfoIterator::Next() {
     333           0 :   BitmapGlyphInfoPtr output;
     334           0 :   if (!HasNext()) {
     335             :     // Note: In C++, we do not throw exception when there's no element.
     336           0 :     return NULL;
     337             :   }
     338           0 :   output = new BitmapGlyphInfo(container()->GetGlyphArray()->at(offset_index_),
     339           0 :                                container()->image_data_offset(),
     340           0 :                                offset_index_ * container()->ImageSize(),
     341           0 :                                container()->ImageSize(),
     342           0 :                                container()->image_format());
     343           0 :   offset_index_++;
     344           0 :   return output.Detach();
     345             : }
     346             : 
     347             : }  // namespace sfntly

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