pixel_formats.cc File Reference

#include "flutter/shell/platform/embedder/pixel_formats.h"
#include "flutter/shell/platform/embedder/embedder.h"
#include "third_party/skia/include/core/SkColorSpace.h"
#include "third_party/skia/include/core/SkColorType.h"
#include "third_party/skia/include/core/SkImageInfo.h"

Go to the source code of this file.

Functions
std::optional< SkColorType >	getSkColorType (FlutterSoftwarePixelFormat pixfmt)
std::optional< SkColorInfo >	getSkColorInfo (FlutterSoftwarePixelFormat pixfmt)

Function Documentation

getSkColorInfo()

std::optional< SkColorInfo > getSkColorInfo

(

FlutterSoftwarePixelFormat

pixfmt

)

Definition at line 34 of file pixel_formats.cc.

                                                                           {
  auto ct = getSkColorType(pixfmt);
  if (!ct) {
    return std::nullopt;
  }
 
  auto at = SkColorTypeIsAlwaysOpaque(*ct) ? kOpaque_SkAlphaType
                                           : kPremul_SkAlphaType;
 
  return SkColorInfo(*ct, at, SkColorSpace::MakeSRGB());
}

References getSkColorType().

Referenced by MakeSkSurfaceFromBackingStore().

getSkColorType()

std::optional< SkColorType > getSkColorType

(

FlutterSoftwarePixelFormat

pixfmt

)

Definition at line 12 of file pixel_formats.cc.

                                                                           {
  switch (pixfmt) {
    case kFlutterSoftwarePixelFormatGray8:
      return kGray_8_SkColorType;
    case kFlutterSoftwarePixelFormatRGB565:
      return kRGB_565_SkColorType;
    case kFlutterSoftwarePixelFormatRGBA4444:
      return kARGB_4444_SkColorType;
    case kFlutterSoftwarePixelFormatRGBA8888:
      return kRGBA_8888_SkColorType;
    case kFlutterSoftwarePixelFormatRGBX8888:
      return kRGB_888x_SkColorType;
    case kFlutterSoftwarePixelFormatBGRA8888:
      return kBGRA_8888_SkColorType;
    case kFlutterSoftwarePixelFormatNative32:
      return kN32_SkColorType;
    default:
      FML_LOG(ERROR) << "Invalid software rendering pixel format";
      return std::nullopt;
  }
}

References FML_LOG, kFlutterSoftwarePixelFormatBGRA8888, kFlutterSoftwarePixelFormatGray8, kFlutterSoftwarePixelFormatNative32, kFlutterSoftwarePixelFormatRGB565, kFlutterSoftwarePixelFormatRGBA4444, kFlutterSoftwarePixelFormatRGBA8888, and kFlutterSoftwarePixelFormatRGBX8888.

Referenced by getSkColorInfo().