1 files changed, 49 insertions, 0 deletions
diff --git a/gfx/skia/skia/src/core/SkTextBlobTrace.h b/gfx/skia/skia/src/core/SkTextBlobTrace.h
new file mode 100644
index 0000000000..8aa776523e
--- /dev/null
+++ b/gfx/skia/skia/src/core/SkTextBlobTrace.h
@@ -0,0 +1,49 @@
+// Copyright 2019 Google LLC.
+// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
+#ifndef SkTextBlobTrace_DEFINED
+#define SkTextBlobTrace_DEFINED
+
+#include "include/core/SkTypes.h"
+
+#include "include/core/SkPaint.h"
+#include "include/core/SkPoint.h"
+#include "include/core/SkStream.h"
+#include "include/core/SkTextBlob.h"
+#include "src/core/SkWriteBuffer.h"
+#include "src/text/GlyphRun.h"
+
+#include <cstdint>
+#include <vector>
+
+namespace SkTextBlobTrace {
+
+struct Record {
+    uint32_t origUniqueID;
+    SkPaint paint;
+    SkPoint offset;
+    sk_sp<SkTextBlob> blob;
+};
+
+std::vector<SkTextBlobTrace::Record> CreateBlobTrace(SkStream* stream);
+
+void DumpTrace(const std::vector<SkTextBlobTrace::Record>&);
+
+class Capture {
+public:
+    Capture();
+    ~Capture();
+    void capture(const sktext::GlyphRunList&, const SkPaint&);
+    // If `dst` is nullptr, write to a file.
+    void dump(SkWStream* dst = nullptr) const;
+
+private:
+    size_t fBlobCount = 0;
+    sk_sp<SkRefCntSet> fTypefaceSet;
+    SkBinaryWriteBuffer fWriteBuffer;
+
+    Capture(const Capture&) = delete;
+    Capture& operator=(const Capture&) = delete;
+};
+
+}  // namespace SkTextBlobTrace
+#endif  // SkTextBlobTrace_DEFINED