1 files changed, 87 insertions, 0 deletions
diff --git a/sample/subtly/merger.cc b/sample/subtly/merger.cc
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+++ b/sample/subtly/merger.cc
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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.
+ */
+
+#include "subtly/merger.h"
+
+#include <stdio.h>
+
+#include "sfntly/font.h"
+#include "sfntly/font_factory.h"
+#include "subtly/character_predicate.h"
+#include "subtly/font_assembler.h"
+#include "subtly/font_info.h"
+#include "subtly/utils.h"
+
+namespace subtly {
+using namespace sfntly;
+
+/******************************************************************************
+ * Merger class
+ ******************************************************************************/
+Merger::Merger(FontArray* fonts) {
+  if (!fonts) {
+    return;
+  }
+  int32_t num_fonts = fonts->size();
+  for (int32_t i = 0; i < num_fonts; ++i) {
+    fonts_.insert(std::make_pair(i, fonts->at(i)));
+  }
+}
+
+CALLER_ATTACH Font* Merger::Merge() {
+  Ptr<FontInfo> merged_info;
+  merged_info.Attach(MergeFontInfos());
+  if (!merged_info) {
+#if defined (SUBTLY_DEBUG)
+    fprintf(stderr, "Could not create merged font info\n");
+#endif
+    return NULL;
+  }
+  Ptr<FontAssembler> font_assembler = new FontAssembler(merged_info);
+  return font_assembler->Assemble();
+}
+
+CALLER_ATTACH FontInfo* Merger::MergeFontInfos() {
+  Ptr<FontInfo> font_info = new FontInfo;
+  font_info->set_fonts(&fonts_);
+  for (FontIdMap::iterator it = fonts_.begin(),
+           e = fonts_.end(); it != e; ++it) {
+    Ptr<FontSourcedInfoBuilder> info_builder =
+        new FontSourcedInfoBuilder(it->second, it->first, NULL);
+    Ptr<FontInfo> current_font_info;
+    current_font_info.Attach(info_builder->GetFontInfo());
+    if (!current_font_info) {
+#if defined (SUBTLY_DEBUG)
+      fprintf(stderr, "Couldn't create font info. "
+              "No subset will be generated.\n");
+#endif
+      return NULL;
+    }
+    font_info->chars_to_glyph_ids()->insert(
+        current_font_info->chars_to_glyph_ids()->begin(),
+        current_font_info->chars_to_glyph_ids()->end());
+    font_info->resolved_glyph_ids()->insert(
+        current_font_info->resolved_glyph_ids()->begin(),
+        current_font_info->resolved_glyph_ids()->end());
+#if defined (SUBTLY_DEBUG)
+    fprintf(stderr, "Counts: chars_to_glyph_ids: %d; resoved_glyph_ids: %d\n",
+            font_info->chars_to_glyph_ids()->size(),
+            font_info->resolved_glyph_ids()->size());
+#endif
+  }
+  return font_info.Detach();
+}
+}