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// Copyright (c) 2016 The Chromium Embedded Framework Authors. All rights
// reserved. Use of this source code is governed by a BSD-style license that
// can be found in the LICENSE file.
#pragma once
#include "include/cef_image.h"
#include "libcef/browser/thread_util.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "ui/gfx/image/image.h"
class CefImageImpl : public CefImage {
// Creates an empty image with no representations.
CefImageImpl() = default;
// Creates a new image by copying the ImageSkia for use as the default
// representation.
explicit CefImageImpl(const gfx::ImageSkia& image_skia);
// Deletes the image and, if the only owner of the storage, all of its cached
// representations.
~CefImageImpl() override = default;
// CefImage methods:
bool IsEmpty() override;
bool IsSame(CefRefPtr<CefImage> that) override;
bool AddBitmap(float scale_factor,
int pixel_width,
int pixel_height,
cef_color_type_t color_type,
cef_alpha_type_t alpha_type,
const void* pixel_data,
size_t pixel_data_size) override;
bool AddPNG(float scale_factor,
const void* png_data,
size_t png_data_size) override;
bool AddJPEG(float scale_factor,
const void* jpeg_data,
size_t jpeg_data_size) override;
size_t GetWidth() override;
size_t GetHeight() override;
bool HasRepresentation(float scale_factor) override;
bool RemoveRepresentation(float scale_factor) override;
bool GetRepresentationInfo(float scale_factor,
float& actual_scale_factor,
int& pixel_width,
int& pixel_height) override;
CefRefPtr<CefBinaryValue> GetAsBitmap(float scale_factor,
cef_color_type_t color_type,
cef_alpha_type_t alpha_type,
int& pixel_width,
int& pixel_height) override;
CefRefPtr<CefBinaryValue> GetAsPNG(float scale_factor,
bool with_transparency,
int& pixel_width,
int& pixel_height) override;
CefRefPtr<CefBinaryValue> GetAsJPEG(float scale_factor,
int quality,
int& pixel_width,
int& pixel_height) override;
// Add |bitmaps| which should be the same image at different scale factors.
// |scale_1x_size| is the size in pixels of the 1x factor image. If
// |scale_1x_size| is 0 the smallest image size in pixels will be used as the
// 1x factor size.
void AddBitmaps(int32_t scale_1x_size, const std::vector<SkBitmap>& bitmaps);
// Return a representation of this Image that contains only the bitmap nearest
// |scale_factor| as the 1x scale representation. Conceptually this is an
// incorrect representation but is necessary to work around bugs in the views
// architecture.
// TODO(cef): Remove once is resolved.
gfx::ImageSkia GetForced1xScaleRepresentation(float scale_factor) const;
// Returns the skia representation of this Image.
gfx::ImageSkia AsImageSkia() const;
// Add a bitmap.
bool AddBitmap(float scale_factor, const SkBitmap& bitmap);
// Returns the bitmap that most closely matches |scale_factor| or nullptr if
// one doesn't exist.
const SkBitmap* GetBitmap(float scale_factor) const;
// Convert |src_bitmap| to |target_bitmap| with |target_ct| and |target_at|.
static bool ConvertBitmap(const SkBitmap& src_bitmap,
SkBitmap* target_bitmap,
SkColorType target_ct,
SkAlphaType target_at);
// The |bitmap| argument will be RGBA or BGRA and either opaque or transparent
// with post-multiplied alpha. Writes the compressed output into |compressed|.
typedef base::Callback<bool(const SkBitmap& /*bitmap*/,
std::vector<unsigned char>* /*compressed*/)>
// Write |bitmap| into |compressed| using |method|.
static bool WriteCompressedFormat(const SkBitmap& bitmap,
std::vector<unsigned char>* compressed,
const CompressionMethod& method);
// Write |bitmap| into |compressed| using PNG encoding.
static bool WritePNG(const SkBitmap& bitmap,
std::vector<unsigned char>* compressed,
bool with_transparency);
// Write |bitmap| into |compressed| using JPEG encoding. The alpha channel
// will be ignored.
static bool WriteJPEG(const SkBitmap& bitmap,
std::vector<unsigned char>* compressed,
int quality);
mutable base::Lock lock_;
// Access to |image_| must be protected by |lock_|.
gfx::Image image_;