| /* |
| * 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 SKY_ENGINE_PLATFORM_GRAPHICS_COLORSPACE_H_ |
| #define SKY_ENGINE_PLATFORM_GRAPHICS_COLORSPACE_H_ |
| |
| #include "sky/engine/platform/PlatformExport.h" |
| #include "sky/engine/platform/graphics/Color.h" |
| |
| namespace blink { |
| |
| 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 blink |
| |
| #endif // SKY_ENGINE_PLATFORM_GRAPHICS_COLORSPACE_H_ |