Merge third_party/sfntly/cpp/src from https://chromium.googlesource.com/external/sfntly/cpp/src.git at 8f090032dd4f8f8908f338cc73bb840b788377f2

This commit was generated by merge_from_chromium.py.

Change-Id: I6bab7aea653201e125014f7b81504acf7b846300

1 files changed, 119 insertions, 0 deletions

diff --git a/sfntly/table/bitmap/bitmap_glyph.h b/sfntly/table/bitmap/bitmap_glyph.h
new file mode 100644
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+++ b/sfntly/table/bitmap/bitmap_glyph.h
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+/*
+ * Copyright 2011 Google Inc. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0  = the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef SFNTLY_CPP_SRC_SFNTLY_TABLE_BITMAP_BITMAP_GLYPH_H_
+#define SFNTLY_CPP_SRC_SFNTLY_TABLE_BITMAP_BITMAP_GLYPH_H_
+
+#include <vector>
+#include <map>
+
+#include "sfntly/table/subtable.h"
+
+namespace sfntly {
+
+class BitmapGlyph : public SubTable {
+ public:
+  struct Offset {
+    enum {
+      // header
+      kVersion = 0,
+
+      kSmallGlyphMetricsLength = 5,
+      kBigGlyphMetricsLength = 8,
+      // format 1
+      kGlyphFormat1_imageData = kSmallGlyphMetricsLength,
+
+      // format 2
+      kGlyphFormat2_imageData = kSmallGlyphMetricsLength,
+
+      // format 3
+
+      // format 4
+
+      // format 5
+      kGlyphFormat5_imageData = 0,
+
+      // format 6
+      kGlyphFormat6_imageData = kBigGlyphMetricsLength,
+
+      // format 7
+      kGlyphFormat7_imageData = kBigGlyphMetricsLength,
+
+      // format 8
+      kGlyphFormat8_numComponents = kSmallGlyphMetricsLength + 1,
+      kGlyphFormat8_componentArray = kGlyphFormat8_numComponents +
+                                     DataSize::kUSHORT,
+
+      // format 9
+      kGlyphFormat9_numComponents = kBigGlyphMetricsLength,
+      kGlyphFormat9_componentArray = kGlyphFormat9_numComponents +
+                                     DataSize::kUSHORT,
+
+      // ebdtComponent
+      kEbdtComponentLength = DataSize::kUSHORT + 2 * DataSize::kCHAR,
+      kEbdtComponent_glyphCode = 0,
+      kEbdtComponent_xOffset = 2,
+      kEbdtComponent_yOffset = 3,
+    };
+  };
+
+  // TODO(stuartg): builder is not functional at all
+  // - need to add subclasses for each type of bitmap glyph
+  class Builder : public SubTable::Builder {
+   public:
+    virtual ~Builder();
+
+    virtual CALLER_ATTACH FontDataTable* SubBuildTable(ReadableFontData* data);
+    virtual void SubDataSet();
+    virtual int32_t SubDataSizeToSerialize();
+    virtual bool SubReadyToSerialize();
+    virtual int32_t SubSerialize(WritableFontData* new_data);
+
+    int32_t format() { return format_; }
+
+    static CALLER_ATTACH Builder* CreateGlyphBuilder(ReadableFontData* data,
+                                                     int32_t format);
+
+   protected:
+    Builder(WritableFontData* data, int32_t format);
+    Builder(ReadableFontData* data, int32_t format);
+
+   private:
+    int32_t format_;
+  };
+
+  virtual ~BitmapGlyph();
+
+  static CALLER_ATTACH BitmapGlyph* CreateGlyph(ReadableFontData* data,
+                                                int32_t format);
+  int32_t format() { return format_; }
+
+  // UNIMPLEMENTED: toString()
+
+ protected:
+  BitmapGlyph(ReadableFontData* data, int32_t format);
+
+ private:
+  int32_t format_;
+};
+typedef Ptr<BitmapGlyph> BitmapGlyphPtr;
+typedef Ptr<BitmapGlyph::Builder> BitmapGlyphBuilderPtr;
+typedef std::map<int32_t, BitmapGlyphBuilderPtr> BitmapGlyphBuilderMap;
+typedef std::vector<BitmapGlyphBuilderMap> BitmapGlyphBuilderList;
+
+}  // namespace sfntly
+
+#endif  // SFNTLY_CPP_SRC_SFNTLY_TABLE_BITMAP_BITMAP_GLYPH_H_