/* * 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 * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 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. */ #ifndef ColorSpace_h #define ColorSpace_h #include "platform/PlatformExport.h" #include "platform/graphics/Color.h" namespace WebCore { enum ColorSpace { ColorSpaceDeviceRGB, ColorSpaceSRGB, ColorSpaceLinearRGB }; namespace ColorSpaceUtilities { // Get a pointer to a 8-bit lookup table that will convert color components // in the |srcColorSpace| to the |dstColorSpace|. // If the conversion cannot be performed, or is a no-op (identity transform), // then 0 is returned. // (Note that a round-trip - f(B,A)[f(A,B)[x]] - is not lossless in general.) const uint8_t* getConversionLUT(ColorSpace dstColorSpace, ColorSpace srcColorSpace = ColorSpaceDeviceRGB); // Convert a Color assumed to be in the |srcColorSpace| into the |dstColorSpace|. Color convertColor(const Color& srcColor, ColorSpace dstColorSpace, ColorSpace srcColorSpace = ColorSpaceDeviceRGB); } // namespace ColorSpaceUtilities } // namespace WebCore #endif // ColorSpace_h