d5/dba/image__encoding_8h_source.html

// Copyright 2013 The Flutter 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 FLUTTER_LIB_UI_PAINTING_IMAGE_ENCODING_H_

#define FLUTTER_LIB_UI_PAINTING_IMAGE_ENCODING_H_


#include "third_party/skia/include/core/SkImage.h"

#include "third_party/tonic/dart_library_natives.h"


namespace flutter {


class CanvasImage;


// This must be kept in sync with the enum in painting.dart


enum ImageByteFormat {

  kRawRGBA,

  kRawStraightRGBA,

  kRawUnmodified,

  kRawExtendedRgba128,

  kPNG,

};


Dart_Handle EncodeImage(CanvasImage* canvas_image,

                        int format,

                        Dart_Handle callback_handle);


sk_sp<SkData> EncodeImage(const sk_sp<SkImage>& raster_image,

                          ImageByteFormat format);


}  // namespace flutter


#endif  // FLUTTER_LIB_UI_PAINTING_IMAGE_ENCODING_H_

SkImage.h

sk_sp
Definition SkRefCnt.h:220

Dart_Handle
struct _Dart_Handle * Dart_Handle
Definition dart_api.h:258

dart_library_natives.h

flutter
Definition asset_manager.cc:10

flutter::ImageByteFormat
ImageByteFormat
Definition image_encoding.h:16

flutter::kRawUnmodified
@ kRawUnmodified
Definition image_encoding.h:19

flutter::kRawStraightRGBA
@ kRawStraightRGBA
Definition image_encoding.h:18

flutter::kRawExtendedRgba128
@ kRawExtendedRgba128
Definition image_encoding.h:20

flutter::kPNG
@ kPNG
Definition image_encoding.h:21

flutter::kRawRGBA
@ kRawRGBA
Definition image_encoding.h:17

flutter::format
DEF_SWITCHES_START aot vmservice shared library Name of the *so containing AOT compiled Dart assets for launching the service isolate vm snapshot The VM snapshot data that will be memory mapped as read only SnapshotAssetPath must be present isolate snapshot The isolate snapshot data that will be memory mapped as read only SnapshotAssetPath must be present cache dir Path to the cache directory This is different from the persistent_cache_path in embedder which is used for Skia shader cache icu native lib Path to the library file that exports the ICU data vm service The hostname IP address on which the Dart VM Service should be served If not defaults to or::depending on whether ipv6 is specified vm service A custom Dart VM Service port The default is to pick a randomly available open port disable vm Disable the Dart VM Service The Dart VM Service is never available in release mode disable vm service Disable mDNS Dart VM Service publication Bind to the IPv6 localhost address for the Dart VM Service Ignored if vm service host is set endless trace Enable an endless trace buffer The default is a ring buffer This is useful when very old events need to viewed For during application launch Memory usage will continue to grow indefinitely however Start app with an specific route defined on the framework flutter assets Path to the Flutter assets directory enable service port Allow the VM service to fallback to automatic port selection if binding to a specified port fails trace Trace early application lifecycle Automatically switches to an endless trace buffer trace skia Filters out all Skia trace event categories except those that are specified in this comma separated list dump skp on shader Automatically dump the skp that triggers new shader compilations This is useful for writing custom ShaderWarmUp to reduce jank By this is not enabled to reduce the overhead purge persistent Remove all existing persistent cache This is mainly for debugging purposes such as reproducing the shader compilation jank trace to Write the timeline trace to a file at the specified path The file will be in Perfetto s proto format
Definition switches.h:203

flutter::EncodeImage
Dart_Handle EncodeImage(CanvasImage *canvas_image, int format, Dart_Handle callback_handle)
Definition image_encoding.cc:157