blob: 6a8fe7dc7b63f927aed3aaaa803ec7e55aed994c [file] [log] [blame]
// Copyright 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.
#include "base/compiler_specific.h"
#include "base/memory/ref_counted.h"
#include "skia/ext/platform_device.h"
namespace skia {
// -----------------------------------------------------------------------------
// For now we just use SkBitmap for SkBitmapDevice
// This is all quite ok for test_shell. In the future we will want to use
// shared memory between the renderer and the main process at least. In this
// case we'll probably create the buffer from a precreated region of memory.
// -----------------------------------------------------------------------------
class BitmapPlatformDevice : public SkBitmapDevice, public PlatformDevice {
// Construct a BitmapPlatformDevice. |is_opaque| should be set if the caller
// knows the bitmap will be completely opaque and allows some optimizations.
// The bitmap is not initialized.
static BitmapPlatformDevice* Create(int width, int height, bool is_opaque);
// This doesn't take ownership of |data|. If |data| is null, the bitmap
// is not initialized to 0.
static BitmapPlatformDevice* Create(int width, int height, bool is_opaque,
uint8_t* data);
// Create a BitmapPlatformDevice from an already constructed bitmap;
// you should probably be using Create(). This may become private later if
// we ever have to share state between some native drawing UI and Skia, like
// the Windows and Mac versions of this class do.
explicit BitmapPlatformDevice(const SkBitmap& other);
~BitmapPlatformDevice() override;
PlatformSurface BeginPlatformPaint() override;
SkBaseDevice* onCreateCompatibleDevice(const CreateInfo& info) override;
} // namespace skia