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- // Copyright (c) 2013 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #ifndef SKIA_EXT_SKIA_UTILS_BASE_H_
- #define SKIA_EXT_SKIA_UTILS_BASE_H_
- #include "third_party/skia/include/core/SkColor.h"
- #include "third_party/skia/include/core/SkFlattenable.h"
- #include "third_party/skia/include/ports/SkFontConfigInterface.h"
- namespace base {
- class Pickle;
- class PickleIterator;
- }
- class SkBitmap;
- class SkFlattenable;
- namespace skia {
- // Return true if the pickle/iterator contains a string. If so, and if str
- // is not null, copy that string into str.
- SK_API bool ReadSkString(base::PickleIterator* iter, SkString* str);
- // Return true if the pickle/iterator contains a FontIdentity. If so, and if
- // identity is not null, copy it into identity.
- SK_API bool ReadSkFontIdentity(base::PickleIterator* iter,
- SkFontConfigInterface::FontIdentity* identity);
- // Return true if the pickle/iterator contains a SkFontStyle. If so, and if
- // style is not null, copy it into style.
- SK_API bool ReadSkFontStyle(base::PickleIterator* iter, SkFontStyle* style);
- // Writes str into the request pickle.
- SK_API void WriteSkString(base::Pickle* pickle, const SkString& str);
- // Writes identity into the request pickle.
- SK_API void WriteSkFontIdentity(
- base::Pickle* pickle,
- const SkFontConfigInterface::FontIdentity& identity);
- // Writes style into the request pickle.
- SK_API void WriteSkFontStyle(base::Pickle* pickle, SkFontStyle style);
- // Converts an SkBitmap to an Opaque or Premul N32 SkBitmap with stride matching
- // the width of each row. If the input is has the right format (N32 Opaque or
- // Premul) without stride padding already, this assigns `in` to `out`, sharing
- // the backing pixels. `out` may or may not be GPU-backed.
- //
- // If unsuccessful, returns false, but |out| may be modified.
- //
- // This should be called as early as possible at IPC endpoints from
- // less-privileged contexts (e.g. on a message from the renderer process) if the
- // code handling the SkBitmap wants to work with an N32 type, rather than
- // delaying this conversion until a later time.
- SK_API bool SkBitmapToN32OpaqueOrPremul(const SkBitmap& in, SkBitmap* out);
- // Returns hex string representation for the |color| in "#FFFFFF" format.
- SK_API std::string SkColorToHexString(SkColor color);
- } // namespace skia
- #endif // SKIA_EXT_SKIA_UTILS_BASE_H_
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