| /* |
| * Copyright (c) 2006,2007,2008, Google 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: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * 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. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "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 THE COPYRIGHT |
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| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| // All of the functions in this file should move to new homes and this file should be deleted. |
| |
| #ifndef SKY_ENGINE_PLATFORM_GRAPHICS_SKIA_SKIAUTILS_H_ |
| #define SKY_ENGINE_PLATFORM_GRAPHICS_SKIA_SKIAUTILS_H_ |
| |
| #include "sky/engine/platform/PlatformExport.h" |
| #include "sky/engine/platform/geometry/FloatRect.h" |
| #include "sky/engine/platform/graphics/Color.h" |
| #include "sky/engine/platform/graphics/GraphicsTypes.h" |
| #include "sky/engine/platform/transforms/AffineTransform.h" |
| #include "sky/engine/wtf/MathExtras.h" |
| #include "third_party/skia/include/core/SkMatrix.h" |
| #include "third_party/skia/include/core/SkPaint.h" |
| #include "third_party/skia/include/core/SkPath.h" |
| #include "third_party/skia/include/core/SkXfermode.h" |
| |
| namespace blink { |
| |
| class GraphicsContext; |
| |
| SkXfermode::Mode PLATFORM_EXPORT WebCoreCompositeToSkiaComposite(CompositeOperator, WebBlendMode = WebBlendModeNormal); |
| |
| // move this guy into SkColor.h |
| SkColor SkPMColorToColor(SkPMColor); |
| |
| inline SkFilterQuality WebCoreInterpolationQualityToSkFilterQuality(InterpolationQuality quality) |
| { |
| // FIXME: this reflects existing client mappings, but should probably |
| // be expanded to map higher level interpolations more accurately. |
| return quality != InterpolationNone ? kLow_SkFilterQuality : kNone_SkFilterQuality; |
| } |
| |
| // Skia has problems when passed infinite, etc floats, filter them to 0. |
| inline SkScalar WebCoreFloatToSkScalar(float f) |
| { |
| return SkFloatToScalar(std::isfinite(f) ? f : 0); |
| } |
| |
| inline SkScalar WebCoreDoubleToSkScalar(double d) |
| { |
| return SkDoubleToScalar(std::isfinite(d) ? d : 0); |
| } |
| |
| inline SkRect WebCoreFloatRectToSKRect(const FloatRect& rect) |
| { |
| return SkRect::MakeLTRB(SkFloatToScalar(rect.x()), SkFloatToScalar(rect.y()), |
| SkFloatToScalar(rect.maxX()), SkFloatToScalar(rect.maxY())); |
| } |
| |
| inline bool WebCoreFloatNearlyEqual(float a, float b) |
| { |
| return SkScalarNearlyEqual(WebCoreFloatToSkScalar(a), WebCoreFloatToSkScalar(b)); |
| } |
| |
| inline SkPath::FillType WebCoreWindRuleToSkFillType(WindRule rule) |
| { |
| return static_cast<SkPath::FillType>(rule); |
| } |
| |
| // Determine if a given WebKit point is contained in a path |
| bool PLATFORM_EXPORT SkPathContainsPoint(const SkPath&, const FloatPoint&, SkPath::FillType); |
| |
| SkMatrix PLATFORM_EXPORT affineTransformToSkMatrix(const AffineTransform&); |
| |
| bool nearlyIntegral(float value); |
| |
| InterpolationQuality limitInterpolationQuality(const GraphicsContext*, InterpolationQuality resampling); |
| |
| InterpolationQuality computeInterpolationQuality( |
| const SkMatrix&, |
| float srcWidth, |
| float srcHeight, |
| float destWidth, |
| float destHeight, |
| bool isDataComplete = true); |
| |
| bool shouldDrawAntiAliased(const GraphicsContext*, const SkRect& destRect); |
| |
| } // namespace blink |
| |
| #endif // SKY_ENGINE_PLATFORM_GRAPHICS_SKIA_SKIAUTILS_H_ |