Update to Sep 30 snapshot, include all current EBXX support.

Refine Iterator ports: all java-style Iterator objects are ref-counted and have automatic memory management now.

git-svn-id: http://sfntly.googlecode.com/svn/trunk/cpp/src@100 672e30a5-4c29-85ac-ac6d-611c735e0a51

1 files changed, 192 insertions, 7 deletions

diff --git a/sfntly/table/bitmap/eblc_table.cc b/sfntly/table/bitmap/eblc_table.cc
index decbadf..bb36db0 100644
--- a/sfntly/table/bitmap/eblc_table.cc
+++ b/sfntly/table/bitmap/eblc_table.cc
@@ -16,6 +16,10 @@
 
 #include "sfntly/table/bitmap/eblc_table.h"
 
+#include <stdlib.h>
+
+#include "sfntly/math/font_math.h"
+
 namespace sfntly {
 /******************************************************************************
  * EblcTable class
@@ -67,8 +71,12 @@ void EblcTable::CreateBitmapSizeTable(ReadableFontData* data,
         data->Slice(Offset::kBitmapSizeTableArrayStart +
                     i * Offset::kBitmapSizeTableLength,
                     Offset::kBitmapSizeTableLength)));
-    BitmapSizeTablePtr new_table = new BitmapSizeTable(new_data, data);
-    output->push_back(new_table);
+    BitmapSizeTableBuilderPtr size_builder;
+    size_builder.Attach(
+        BitmapSizeTable::Builder::CreateBuilder(new_data, data));
+    BitmapSizeTablePtr size;
+    size.Attach(down_cast<BitmapSizeTable*>(size_builder->Build()));
+    output->push_back(size);
   }
 }
 
@@ -87,20 +95,163 @@ EblcTable::Builder::~Builder() {
 }
 
 int32_t EblcTable::Builder::SubSerialize(WritableFontData* new_data) {
-  UNREFERENCED_PARAMETER(new_data);
-  return 0;
+  // header
+  int32_t size = new_data->WriteFixed(0, kVersion);
+  size += new_data->WriteULong(size, size_table_builders_.size());
+
+  // calculate the offsets
+  // offset to the start of the size table array
+  int32_t size_table_start_offset = size;
+  // walking offset in the size table array
+  int32_t size_table_offset = size_table_start_offset;
+  // offset to the start of the whole index subtable block
+  int32_t sub_table_block_start_offset = size_table_offset +
+      size_table_builders_.size() * Offset::kBitmapSizeTableLength;
+  // walking offset in the index subtable
+  // points to the start of the current subtable block
+  int32_t current_sub_table_block_start_offset = sub_table_block_start_offset;
+
+#if defined (SFNTLY_DEBUG_BITMAP)
+  int32_t size_index = 0;
+#endif
+  for (BitmapSizeTableBuilderList::iterator
+           size_builder = size_table_builders_.begin(),
+           size_builder_end = size_table_builders_.end();
+       size_builder != size_builder_end; size_builder++) {
+    (*size_builder)->SetIndexSubTableArrayOffset(
+        current_sub_table_block_start_offset);
+    IndexSubTableBuilderList* index_sub_table_builder_list =
+        (*size_builder)->IndexSubTableBuilders();
+
+    // walking offset within the current subTable array
+    int32_t index_sub_table_array_offset = current_sub_table_block_start_offset;
+    // walking offset within the subTable entries
+    int32_t index_sub_table_offset = index_sub_table_array_offset +
+        index_sub_table_builder_list->size() * Offset::kIndexSubHeaderLength;
+
+#if defined (SFNTLY_DEBUG_BITMAP)
+    fprintf(stderr, "size %d: sizeTable=%x, current subTable Block=%x, ",
+            size_index, size_table_offset);
+    fprintf(stderr, "index subTableStart=%x\n", index_sub_table_offset);
+    size_index++;
+    int32_t sub_table_index = 0;
+#endif
+    for (IndexSubTableBuilderList::iterator
+             index_sub_table_builder = index_sub_table_builder_list->begin(),
+             index_sub_table_builder_end = index_sub_table_builder_list->end();
+         index_sub_table_builder != index_sub_table_builder_end;
+         index_sub_table_builder++) {
+#if defined (SFNTLY_DEBUG_BITMAP)
+      fprintf(stderr, "\tsubTableIndex %d: format=%x, ", sub_table_index,
+              (*index_sub_table_builder)->index_format());
+      fprintf(stderr, "indexSubTableArrayOffset=%x, indexSubTableOffset=%x\n",
+              index_sub_table_array_offset, index_sub_table_offset);
+      sub_table_index++;
+#endif
+      // array entry
+      index_sub_table_array_offset += new_data->WriteUShort(
+          index_sub_table_array_offset,
+          (*index_sub_table_builder)->first_glyph_index());
+      index_sub_table_array_offset += new_data->WriteUShort(
+          index_sub_table_array_offset,
+          (*index_sub_table_builder)->last_glyph_index());
+      index_sub_table_array_offset += new_data->WriteULong(
+          index_sub_table_array_offset,
+          index_sub_table_offset - current_sub_table_block_start_offset);
+
+      // index sub table
+      WritableFontDataPtr slice_index_sub_table;
+      slice_index_sub_table.Attach(down_cast<WritableFontData*>(
+          new_data->Slice(index_sub_table_offset)));
+      int32_t current_sub_table_size =
+          (*index_sub_table_builder)->SubSerialize(slice_index_sub_table);
+      int32_t padding = FontMath::PaddingRequired(current_sub_table_size,
+                                                  DataSize::kULONG);
+#if defined (SFNTLY_DEBUG_BITMAP)
+      fprintf(stderr, "\t\tsubTableSize = %x, padding = %x\n",
+              current_sub_table_size, padding);
+#endif
+      index_sub_table_offset += current_sub_table_size;
+      index_sub_table_offset +=
+          new_data->WritePadding(index_sub_table_offset, padding);
+    }
+
+    // serialize size table
+    (*size_builder)->SetIndexTableSize(
+        index_sub_table_offset - current_sub_table_block_start_offset);
+    WritableFontDataPtr slice_size_table;
+    slice_size_table.Attach(down_cast<WritableFontData*>(
+        new_data->Slice(size_table_offset)));
+    size_table_offset += (*size_builder)->SubSerialize(slice_size_table);
+
+    current_sub_table_block_start_offset = index_sub_table_offset;
+  }
+  return size + current_sub_table_block_start_offset;
 }
 
 bool EblcTable::Builder::SubReadyToSerialize() {
-  return false;
+  if (size_table_builders_.empty()) {
+    return false;
+  }
+  for (BitmapSizeTableBuilderList::iterator b = size_table_builders_.begin(),
+                                            e = size_table_builders_.end();
+                                            b != e; b++) {
+    if (!(*b)->SubReadyToSerialize()) {
+      return false;
+    }
+  }
+  return true;
 }
 
 int32_t EblcTable::Builder::SubDataSizeToSerialize() {
-  return 0;
+  if (size_table_builders_.empty()) {
+    return 0;
+  }
+  int32_t size = Offset::kHeaderLength;
+  bool variable = false;
+  for (BitmapSizeTableBuilderList::iterator b = size_table_builders_.begin(),
+                                            e = size_table_builders_.end();
+                                            b != e; b++) {
+    int32_t size_builder_size = (*b)->SubDataSizeToSerialize();
+    variable = size_builder_size > 0 ? variable : true;
+    size += abs(size_builder_size);
+  }
+  return -size;
+  // TODO(stuartg): need to fix to get size calculated accurately
+  // return variable ? -size : size;
 }
 
 void EblcTable::Builder::SubDataSet() {
-  // NOP
+  Revert();
+}
+
+BitmapSizeTableBuilderList* EblcTable::Builder::BitmapSizeBuilders() {
+  return GetSizeList();
+}
+
+void EblcTable::Builder::Revert() {
+  size_table_builders_.clear();
+  set_model_changed(false);
+}
+
+void EblcTable::Builder::GenerateLocaList(BitmapLocaList* output) {
+  assert(output);
+  BitmapSizeTableBuilderList* size_builder_list = GetSizeList();
+  output->clear();
+  output->resize(size_builder_list->size());
+#if defined (SFNTLY_DEBUG_BITMAP)
+  int32_t size_index = 0;
+#endif
+  for (BitmapSizeTableBuilderList::iterator b = size_builder_list->begin(),
+                                            e = size_builder_list->end();
+                                            b != e; b++) {
+#if defined (SFNTLY_DEBUG_BITMAP)
+    fprintf(stderr, "size table = %d\n", size_index++);
+#endif
+    BitmapGlyphInfoMap loca_map;
+    (*b)->GenerateLocaMap(&loca_map);
+    output->push_back(loca_map);
+  }
 }
 
 CALLER_ATTACH
@@ -116,4 +267,38 @@ CALLER_ATTACH EblcTable::Builder*
   return new_builder.Detach();
 }
 
+// static
+CALLER_ATTACH EblcTable::Builder*
+    EblcTable::Builder::CreateBuilder(Header* header, ReadableFontData* data) {
+  Ptr<EblcTable::Builder> new_builder = new EblcTable::Builder(header, data);
+  return new_builder.Detach();
+}
+
+BitmapSizeTableBuilderList* EblcTable::Builder::GetSizeList() {
+  if (size_table_builders_.empty()) {
+    Initialize(InternalReadData(), &size_table_builders_);
+    set_model_changed();
+  }
+  return &size_table_builders_;
+}
+
+void EblcTable::Builder::Initialize(ReadableFontData* data,
+                                    BitmapSizeTableBuilderList* output) {
+  assert(output);
+  if (data) {
+    int32_t num_sizes = data->ReadULongAsInt(Offset::kNumSizes);
+    for (int32_t i = 0; i < num_sizes; ++i) {
+      ReadableFontDataPtr new_data;
+      new_data.Attach(down_cast<ReadableFontData*>(
+          data->Slice(Offset::kBitmapSizeTableArrayStart +
+                      i * Offset::kBitmapSizeTableLength,
+                      Offset::kBitmapSizeTableLength)));
+      BitmapSizeTableBuilderPtr size_builder;
+      size_builder.Attach(BitmapSizeTable::Builder::CreateBuilder(
+          new_data, data));
+      output->push_back(size_builder);
+    }
+  }
+}
+
 }  // namespace sfntly