LCOV - code coverage report
Current view: top level - gfx/sfntly/cpp/src/sfntly/table/bitmap - index_sub_table_format1.cc (source / functions) Hit Total Coverage
Test: output.info Lines: 0 149 0.0 %
Date: 2017-07-14 16:53:18 Functions: 0 41 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_format1.h"
      18             : 
      19             : #include "sfntly/table/bitmap/eblc_table.h"
      20             : 
      21             : namespace sfntly {
      22             : /******************************************************************************
      23             :  * IndexSubTableFormat1 class
      24             :  ******************************************************************************/
      25             : // static
      26           0 : int32_t IndexSubTableFormat1::GetDataLength(ReadableFontData* data,
      27             :                                             int32_t offset,
      28             :                                             int32_t first,
      29             :                                             int32_t last) {
      30             :   UNREFERENCED_PARAMETER(data);
      31             :   UNREFERENCED_PARAMETER(offset);
      32           0 :   return (last - first + 1 + 1) * DataSize::kULONG;
      33             : }
      34             : 
      35           0 : IndexSubTableFormat1::~IndexSubTableFormat1() {
      36           0 : }
      37             : 
      38           0 : int32_t IndexSubTableFormat1::NumGlyphs() {
      39           0 :   return last_glyph_index() - first_glyph_index() + 1;
      40             : }
      41             : 
      42           0 : int32_t IndexSubTableFormat1::GlyphStartOffset(int32_t glyph_id) {
      43           0 :   int32_t loca = CheckGlyphRange(glyph_id);
      44           0 :   if (loca == -1) {
      45           0 :     return -1;
      46             :   }
      47           0 :   return Loca(loca);
      48             : }
      49             : 
      50           0 : int32_t IndexSubTableFormat1::GlyphLength(int32_t glyph_id) {
      51           0 :   int32_t loca = CheckGlyphRange(glyph_id);
      52           0 :   if (loca == -1) {
      53           0 :     return -1;
      54             :   }
      55           0 :   return Loca(loca + 1) - Loca(loca);
      56             : }
      57             : 
      58           0 : IndexSubTableFormat1::IndexSubTableFormat1(ReadableFontData* data,
      59             :                                            int32_t first_glyph_index,
      60           0 :                                            int32_t last_glyph_index)
      61           0 :     : IndexSubTable(data, first_glyph_index, last_glyph_index) {
      62           0 : }
      63             : 
      64           0 : int32_t IndexSubTableFormat1::Loca(int32_t loca) {
      65           0 :   return image_data_offset() +
      66           0 :          data_->ReadULongAsInt(EblcTable::Offset::kIndexSubTable1_offsetArray +
      67           0 :                                loca * DataSize::kULONG);
      68             : }
      69             : 
      70             : /******************************************************************************
      71             :  * IndexSubTableFormat1::Builder class
      72             :  ******************************************************************************/
      73           0 : IndexSubTableFormat1::Builder::~Builder() {
      74           0 : }
      75             : 
      76           0 : int32_t IndexSubTableFormat1::Builder::NumGlyphs() {
      77           0 :   return GetOffsetArray()->size() - 1;
      78             : }
      79             : 
      80           0 : int32_t IndexSubTableFormat1::Builder::GlyphLength(int32_t glyph_id) {
      81           0 :   int32_t loca = CheckGlyphRange(glyph_id);
      82           0 :   if (loca == -1) {
      83           0 :     return 0;
      84             :   }
      85           0 :   IntegerList* offset_array = GetOffsetArray();
      86           0 :   return offset_array->at(loca + 1) - offset_array->at(loca);
      87             : }
      88             : 
      89           0 : int32_t IndexSubTableFormat1::Builder::GlyphStartOffset(int32_t glyph_id) {
      90           0 :   int32_t loca = CheckGlyphRange(glyph_id);
      91           0 :   if (loca == -1) {
      92           0 :     return -1;
      93             :   }
      94           0 :   return GetOffsetArray()->at(loca);
      95             : }
      96             : 
      97             : CALLER_ATTACH IndexSubTableFormat1::Builder::BitmapGlyphInfoIterator*
      98           0 :     IndexSubTableFormat1::Builder::GetIterator() {
      99             :   Ptr<IndexSubTableFormat1::Builder::BitmapGlyphInfoIterator> it =
     100           0 :       new IndexSubTableFormat1::Builder::BitmapGlyphInfoIterator(this);
     101           0 :   return it.Detach();
     102             : }
     103             : 
     104             : // static
     105             : CALLER_ATTACH IndexSubTableFormat1::Builder*
     106           0 : IndexSubTableFormat1::Builder::CreateBuilder() {
     107           0 :   IndexSubTableFormat1BuilderPtr output = new IndexSubTableFormat1::Builder();
     108           0 :   return output.Detach();
     109             : }
     110             : 
     111             : // static
     112             : CALLER_ATTACH IndexSubTableFormat1::Builder*
     113           0 : IndexSubTableFormat1::Builder::CreateBuilder(ReadableFontData* data,
     114             :                                              int32_t index_sub_table_offset,
     115             :                                              int32_t first_glyph_index,
     116             :                                              int32_t last_glyph_index) {
     117             :   int32_t length = Builder::DataLength(data,
     118             :                                        index_sub_table_offset,
     119             :                                        first_glyph_index,
     120           0 :                                        last_glyph_index);
     121           0 :   ReadableFontDataPtr new_data;
     122           0 :   new_data.Attach(down_cast<ReadableFontData*>(
     123           0 :       data->Slice(index_sub_table_offset, length)));
     124           0 :   if (new_data == NULL) {
     125           0 :     return NULL;
     126             :   }
     127             :   IndexSubTableFormat1BuilderPtr output =
     128             :       new IndexSubTableFormat1::Builder(new_data,
     129             :                                         first_glyph_index,
     130           0 :                                         last_glyph_index);
     131           0 :   return output.Detach();
     132             : }
     133             : 
     134             : 
     135             : // static
     136             : CALLER_ATTACH IndexSubTableFormat1::Builder*
     137           0 : IndexSubTableFormat1::Builder::CreateBuilder(WritableFontData* data,
     138             :                                              int32_t index_sub_table_offset,
     139             :                                              int32_t first_glyph_index,
     140             :                                              int32_t last_glyph_index) {
     141             :   int32_t length = Builder::DataLength(data,
     142             :                                        index_sub_table_offset,
     143             :                                        first_glyph_index,
     144           0 :                                        last_glyph_index);
     145           0 :   WritableFontDataPtr new_data;
     146           0 :   new_data.Attach(down_cast<WritableFontData*>(
     147           0 :       data->Slice(index_sub_table_offset, length)));
     148             :   IndexSubTableFormat1BuilderPtr output =
     149             :       new IndexSubTableFormat1::Builder(new_data,
     150             :                                         first_glyph_index,
     151           0 :                                         last_glyph_index);
     152           0 :   return output.Detach();
     153             : }
     154             : 
     155           0 : CALLER_ATTACH FontDataTable* IndexSubTableFormat1::Builder::SubBuildTable(
     156             :     ReadableFontData* data) {
     157             :   IndexSubTableFormat1Ptr output = new IndexSubTableFormat1(
     158           0 :       data, first_glyph_index(), last_glyph_index());
     159           0 :   return output.Detach();
     160             : }
     161             : 
     162           0 : void IndexSubTableFormat1::Builder::SubDataSet() {
     163           0 :   Revert();
     164           0 : }
     165             : 
     166           0 : int32_t IndexSubTableFormat1::Builder::SubDataSizeToSerialize() {
     167           0 :   if (offset_array_.empty()) {
     168           0 :     return InternalReadData()->Length();
     169             :   }
     170             :   return EblcTable::Offset::kIndexSubHeaderLength +
     171           0 :          offset_array_.size() * DataSize::kULONG;
     172             : }
     173             : 
     174           0 : bool IndexSubTableFormat1::Builder::SubReadyToSerialize() {
     175           0 :   if (!offset_array_.empty()) {
     176           0 :     return true;
     177             :   }
     178           0 :   return false;
     179             : }
     180             : 
     181           0 : int32_t IndexSubTableFormat1::Builder::SubSerialize(
     182             :     WritableFontData* new_data) {
     183           0 :   int32_t size = SerializeIndexSubHeader(new_data);
     184           0 :   if (!model_changed()) {
     185           0 :     if (InternalReadData() == NULL) {
     186           0 :       return size;
     187             :     }
     188           0 :     ReadableFontDataPtr source;
     189           0 :     WritableFontDataPtr target;
     190           0 :     source.Attach(down_cast<ReadableFontData*>(InternalReadData()->Slice(
     191           0 :         EblcTable::Offset::kIndexSubTable1_offsetArray)));
     192           0 :     target.Attach(down_cast<WritableFontData*>(new_data->Slice(
     193           0 :         EblcTable::Offset::kIndexSubTable1_offsetArray)));
     194           0 :     size += source->CopyTo(target);
     195             :   } else {
     196           0 :     for (IntegerList::iterator b = GetOffsetArray()->begin(),
     197           0 :                                e = GetOffsetArray()->end(); b != e; b++) {
     198           0 :       size += new_data->WriteLong(size, *b);
     199             :     }
     200             :   }
     201           0 :   return size;
     202             : }
     203             : 
     204           0 : IntegerList* IndexSubTableFormat1::Builder::OffsetArray() {
     205           0 :   return GetOffsetArray();
     206             : }
     207             : 
     208           0 : void IndexSubTableFormat1::Builder::SetOffsetArray(
     209             :     const IntegerList& offset_array) {
     210           0 :   offset_array_.clear();
     211           0 :   offset_array_ = offset_array;
     212           0 :   set_model_changed();
     213           0 : }
     214             : 
     215           0 : void IndexSubTableFormat1::Builder::Revert() {
     216           0 :   offset_array_.clear();
     217           0 :   IndexSubTable::Builder::Revert();
     218           0 : }
     219             : 
     220           0 : IndexSubTableFormat1::Builder::Builder()
     221             :     : IndexSubTable::Builder(EblcTable::Offset::kIndexSubTable1_builderDataSize,
     222           0 :                              IndexSubTable::Format::FORMAT_1) {
     223           0 : }
     224             : 
     225           0 : IndexSubTableFormat1::Builder::Builder(WritableFontData* data,
     226             :                                        int32_t first_glyph_index,
     227           0 :                                        int32_t last_glyph_index)
     228           0 :     : IndexSubTable::Builder(data, first_glyph_index, last_glyph_index) {
     229           0 : }
     230             : 
     231           0 : IndexSubTableFormat1::Builder::Builder(ReadableFontData* data,
     232             :                                        int32_t first_glyph_index,
     233           0 :                                        int32_t last_glyph_index)
     234           0 :     : IndexSubTable::Builder(data, first_glyph_index, last_glyph_index) {
     235           0 : }
     236             : 
     237           0 : IntegerList* IndexSubTableFormat1::Builder::GetOffsetArray() {
     238           0 :   if (offset_array_.empty()) {
     239           0 :     Initialize(InternalReadData());
     240           0 :     set_model_changed();
     241             :   }
     242           0 :   return &offset_array_;
     243             : }
     244             : 
     245           0 : void IndexSubTableFormat1::Builder::Initialize(ReadableFontData* data) {
     246           0 :   offset_array_.clear();
     247           0 :   if (data) {
     248           0 :     int32_t num_offsets = (last_glyph_index() - first_glyph_index() + 1) + 1;
     249           0 :     for (int32_t i = 0; i < num_offsets; ++i) {
     250           0 :       offset_array_.push_back(data->ReadULongAsInt(
     251           0 :           EblcTable::Offset::kIndexSubTable1_offsetArray +
     252           0 :           i * DataSize::kULONG));
     253             :     }
     254             :   }
     255           0 : }
     256             : 
     257             : // static
     258           0 : int32_t IndexSubTableFormat1::Builder::DataLength(
     259             :     ReadableFontData* data,
     260             :     int32_t index_sub_table_offset,
     261             :     int32_t first_glyph_index,
     262             :     int32_t last_glyph_index) {
     263             :   UNREFERENCED_PARAMETER(data);
     264             :   UNREFERENCED_PARAMETER(index_sub_table_offset);
     265           0 :   return EblcTable::Offset::kIndexSubHeaderLength +
     266           0 :          (last_glyph_index - first_glyph_index + 1 + 1) * DataSize::kULONG;
     267             : }
     268             : 
     269             : /******************************************************************************
     270             :  * IndexSubTableFormat1::Builder::BitmapGlyphInfoIterator class
     271             :  ******************************************************************************/
     272           0 : IndexSubTableFormat1::Builder::BitmapGlyphInfoIterator::BitmapGlyphInfoIterator(
     273           0 :     IndexSubTableFormat1::Builder* container)
     274             :     : RefIterator<BitmapGlyphInfo, IndexSubTableFormat1::Builder,
     275           0 :                   IndexSubTable::Builder>(container) {
     276           0 :   glyph_id_ = container->first_glyph_index();
     277           0 : }
     278             : 
     279           0 : bool IndexSubTableFormat1::Builder::BitmapGlyphInfoIterator::HasNext() {
     280           0 :   if (glyph_id_ <= container()->last_glyph_index()) {
     281           0 :     return true;
     282             :   }
     283           0 :   return false;
     284             : }
     285             : 
     286             : CALLER_ATTACH BitmapGlyphInfo*
     287           0 : IndexSubTableFormat1::Builder::BitmapGlyphInfoIterator::Next() {
     288           0 :   BitmapGlyphInfoPtr output;
     289           0 :   if (!HasNext()) {
     290             :     // Note: In C++, we do not throw exception when there's no element.
     291           0 :     return NULL;
     292             :   }
     293             :   output = new BitmapGlyphInfo(glyph_id_,
     294           0 :                                container()->image_data_offset(),
     295           0 :                                container()->GlyphStartOffset(glyph_id_),
     296           0 :                                container()->GlyphLength(glyph_id_),
     297           0 :                                container()->image_format());
     298           0 :   glyph_id_++;
     299           0 :   return output.Detach();
     300             : }
     301             : 
     302             : }  // namespace sfntly

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