Fix BaseRenderingContext2D create/put/get-ImageData() for color managed canvas

third_party/WebKit/Source/core/html/canvas/CanvasRenderingContext.cpp

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 92 matching lines @@
 gfx::ColorSpace CanvasRenderingContext::GfxColorSpace() const {
   switch (color_space_) {
     case kLegacyCanvasColorSpace:
       return gfx::ColorSpace::CreateSRGB();
     case kSRGBCanvasColorSpace:
       if (pixel_format_ == kF16CanvasPixelFormat)
         return gfx::ColorSpace::CreateSCRGBLinear();
       return gfx::ColorSpace::CreateSRGB();
     case kRec2020CanvasColorSpace:
       return gfx::ColorSpace(gfx::ColorSpace::PrimaryID::BT2020,
-                             gfx::ColorSpace::TransferID::IEC61966_2_1);
+                             gfx::ColorSpace::TransferID::LINEAR_HDR);
     case kP3CanvasColorSpace:
       return gfx::ColorSpace(gfx::ColorSpace::PrimaryID::SMPTEST432_1,
-                             gfx::ColorSpace::TransferID::IEC61966_2_1);
+                             gfx::ColorSpace::TransferID::LINEAR_HDR);
   }
   NOTREACHED();
   return gfx::ColorSpace();
 }
 
 sk_sp<SkColorSpace> CanvasRenderingContext::SkSurfaceColorSpace() const {
-  if (SkSurfacesUseColorSpace())
-    return GfxColorSpace().ToSkColorSpace();
+  if (SkSurfacesUseColorSpace()) {
+    switch (color_space_) {
+      case kLegacyCanvasColorSpace:
+        return SkColorSpace::MakeSRGB();
+      case kSRGBCanvasColorSpace:
+        if (pixel_format_ == kF16CanvasPixelFormat)
+          return SkColorSpace::MakeSRGBLinear();
+        return SkColorSpace::MakeSRGB();
+      case kRec2020CanvasColorSpace:
+        return SkColorSpace::MakeRGB(SkColorSpace::kLinear_RenderTargetGamma,
+                                     SkColorSpace::kRec2020_Gamut);
+      case kP3CanvasColorSpace:
+        return SkColorSpace::MakeRGB(SkColorSpace::kLinear_RenderTargetGamma,
+                                     SkColorSpace::kDCIP3_D65_Gamut);
+    }
+  }
   return nullptr;
 }
 
 bool CanvasRenderingContext::SkSurfacesUseColorSpace() const {
   return color_space_ != kLegacyCanvasColorSpace;
 }
 
 ColorBehavior CanvasRenderingContext::ColorBehaviorForMediaDrawnToCanvas()
     const {
   if (RuntimeEnabledFeatures::colorCorrectRenderingEnabled())
@@ skipping 106 matching lines @@
   }
   return taint_origin;
 }
 
 DEFINE_TRACE(CanvasRenderingContext) {
   visitor->Trace(canvas_);
   visitor->Trace(offscreen_canvas_);
 }
 
 }  // namespace blink