Move createColorSpaceFilter from ImageBuffer to ColorSpaceUtilities

Source/platform/graphics/ColorSpace.cpp

 /*
  * Copyright (c) 2008, Google Inc. All rights reserved.
  * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
  * Copyright (C) 2010 Torch Mobile (Beijing) Co. Ltd. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
@@ skipping 15 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "platform/graphics/ColorSpace.h"
 
+#include "third_party/skia/include/effects/SkTableColorFilter.h"
 #include "wtf/MathExtras.h"
 
 namespace blink {
 
 namespace ColorSpaceUtilities {
 
 static const uint8_t* getLinearRgbLUT()
 {
     static uint8_t linearRgbLUT[256];
     static bool initialized;
@@ skipping 49 matching lines @@
 
 Color convertColor(const Color& srcColor, ColorSpace dstColorSpace, ColorSpace srcColorSpace)
 {
     const uint8_t* lookupTable = getConversionLUT(dstColorSpace, srcColorSpace);
     if (!lookupTable)
         return srcColor;
 
     return Color(lookupTable[srcColor.red()], lookupTable[srcColor.green()], lookupTable[srcColor.blue()], srcColor.alpha());
 }
 
+PassRefPtr<SkColorFilter> createColorSpaceFilter(ColorSpace srcColorSpace, ColorSpace dstColorSpace)
+{
+    const uint8_t* lookupTable = getConversionLUT(dstColorSpace, srcColorSpace);
+    if (!lookupTable)
+        return nullptr;
+
+    return adoptRef(SkTableColorFilter::CreateARGB(0, lookupTable, lookupTable, lookupTable));
+}
+
 } // namespace ColorSpaceUtilities
 
 } // namespace blink