144 lines
4.4 KiB
C++
144 lines
4.4 KiB
C++
// Copyright (c) 2015 GitHub, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#ifndef SHELL_COMMON_API_ELECTRON_API_NATIVE_IMAGE_H_
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#define SHELL_COMMON_API_ELECTRON_API_NATIVE_IMAGE_H_
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#include <map>
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#include <string>
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#include <vector>
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#include "base/values.h"
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#include "gin/handle.h"
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#include "gin/wrappable.h"
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#include "shell/common/gin_helper/error_thrower.h"
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#include "ui/gfx/image/image.h"
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#if defined(OS_WIN)
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#include "base/files/file_path.h"
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#include "base/win/scoped_gdi_object.h"
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#endif
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class GURL;
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namespace base {
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class FilePath;
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}
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namespace gfx {
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class Rect;
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class Size;
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} // namespace gfx
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namespace gin_helper {
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class Dictionary;
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}
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namespace gin {
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class Arguments;
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}
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namespace electron {
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namespace api {
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class NativeImage : public gin::Wrappable<NativeImage> {
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public:
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static gin::Handle<NativeImage> CreateEmpty(v8::Isolate* isolate);
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static gin::Handle<NativeImage> Create(v8::Isolate* isolate,
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const gfx::Image& image);
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static gin::Handle<NativeImage> CreateFromPNG(v8::Isolate* isolate,
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const char* buffer,
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size_t length);
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static gin::Handle<NativeImage> CreateFromJPEG(v8::Isolate* isolate,
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const char* buffer,
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size_t length);
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static gin::Handle<NativeImage> CreateFromPath(v8::Isolate* isolate,
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const base::FilePath& path);
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static gin::Handle<NativeImage> CreateFromBitmap(
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gin_helper::ErrorThrower thrower,
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v8::Local<v8::Value> buffer,
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const gin_helper::Dictionary& options);
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static gin::Handle<NativeImage> CreateFromBuffer(
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gin_helper::ErrorThrower thrower,
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v8::Local<v8::Value> buffer,
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gin::Arguments* args);
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static gin::Handle<NativeImage> CreateFromDataURL(v8::Isolate* isolate,
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const GURL& url);
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static gin::Handle<NativeImage> CreateFromNamedImage(gin::Arguments* args,
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std::string name);
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#if !defined(OS_LINUX)
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static v8::Local<v8::Promise> CreateThumbnailFromPath(
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v8::Isolate* isolate,
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const base::FilePath& path,
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const gfx::Size& size);
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#endif
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enum class OnConvertError { kThrow, kWarn };
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static bool TryConvertNativeImage(
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v8::Isolate* isolate,
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v8::Local<v8::Value> image,
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NativeImage** native_image,
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OnConvertError on_error = OnConvertError::kThrow);
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// gin::Wrappable
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static gin::WrapperInfo kWrapperInfo;
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gin::ObjectTemplateBuilder GetObjectTemplateBuilder(
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v8::Isolate* isolate) override;
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const char* GetTypeName() override;
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#if defined(OS_WIN)
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HICON GetHICON(int size);
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#endif
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const gfx::Image& image() const { return image_; }
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protected:
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NativeImage(v8::Isolate* isolate, const gfx::Image& image);
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#if defined(OS_WIN)
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NativeImage(v8::Isolate* isolate, const base::FilePath& hicon_path);
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#endif
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~NativeImage() override;
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private:
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v8::Local<v8::Value> ToPNG(gin::Arguments* args);
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v8::Local<v8::Value> ToJPEG(v8::Isolate* isolate, int quality);
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v8::Local<v8::Value> ToBitmap(gin::Arguments* args);
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std::vector<float> GetScaleFactors();
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v8::Local<v8::Value> GetBitmap(gin::Arguments* args);
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v8::Local<v8::Value> GetNativeHandle(gin_helper::ErrorThrower thrower);
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gin::Handle<NativeImage> Resize(gin::Arguments* args,
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base::DictionaryValue options);
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gin::Handle<NativeImage> Crop(v8::Isolate* isolate, const gfx::Rect& rect);
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std::string ToDataURL(gin::Arguments* args);
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bool IsEmpty();
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gfx::Size GetSize(const base::Optional<float> scale_factor);
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float GetAspectRatio(const base::Optional<float> scale_factor);
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void AddRepresentation(const gin_helper::Dictionary& options);
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void AdjustAmountOfExternalAllocatedMemory(bool add);
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// Mark the image as template image.
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void SetTemplateImage(bool setAsTemplate);
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// Determine if the image is a template image.
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bool IsTemplateImage();
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#if defined(OS_WIN)
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base::FilePath hicon_path_;
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std::map<int, base::win::ScopedHICON> hicons_;
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#endif
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gfx::Image image_;
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v8::Isolate* isolate_;
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DISALLOW_COPY_AND_ASSIGN(NativeImage);
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};
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} // namespace api
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} // namespace electron
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#endif // SHELL_COMMON_API_ELECTRON_API_NATIVE_IMAGE_H_
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