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31 // All of the functions in this file should move to new homes and this file should be deleted.
39 #include "SkXfermode.h"
40 #include "platform/PlatformExport.h"
41 #include "platform/geometry/FloatRect.h"
42 #include "platform/graphics/Color.h"
43 #include "platform/graphics/GraphicsTypes.h"
44 #include "platform/transforms/AffineTransform.h"
45 #include "wtf/MathExtras.h"
46 #include "wtf/PassRefPtr.h"
53 class GraphicsContext;
55 PassRefPtr<SkXfermode> WebCoreCompositeToSkiaComposite(CompositeOperator, WebBlendMode = WebBlendModeNormal);
57 // move this guy into SkColor.h
58 SkColor SkPMColorToColor(SkPMColor);
60 inline SkPaint::FilterLevel WebCoreInterpolationQualityToSkFilterLevel(InterpolationQuality quality)
62 // FIXME: this reflects existing client mappings, but should probably
63 // be expanded to map higher level interpolations more accurately.
64 return quality != InterpolationNone ? SkPaint::kLow_FilterLevel : SkPaint::kNone_FilterLevel;
67 // Skia has problems when passed infinite, etc floats, filter them to 0.
68 inline SkScalar WebCoreFloatToSkScalar(float f)
70 return SkFloatToScalar(std::isfinite(f) ? f : 0);
73 inline SkScalar WebCoreDoubleToSkScalar(double d)
75 return SkDoubleToScalar(std::isfinite(d) ? d : 0);
78 inline SkRect WebCoreFloatRectToSKRect(const FloatRect& rect)
80 return SkRect::MakeLTRB(SkFloatToScalar(rect.x()), SkFloatToScalar(rect.y()),
81 SkFloatToScalar(rect.maxX()), SkFloatToScalar(rect.maxY()));
84 inline bool WebCoreFloatNearlyEqual(float a, float b)
86 return SkScalarNearlyEqual(WebCoreFloatToSkScalar(a), WebCoreFloatToSkScalar(b));
89 inline SkPath::FillType WebCoreWindRuleToSkFillType(WindRule rule)
91 return static_cast<SkPath::FillType>(rule);
94 // Determine if a given WebKit point is contained in a path
95 bool PLATFORM_EXPORT SkPathContainsPoint(const SkPath&, const FloatPoint&, SkPath::FillType);
97 SkMatrix PLATFORM_EXPORT affineTransformToSkMatrix(const AffineTransform&);
99 bool nearlyIntegral(float value);
101 InterpolationQuality limitInterpolationQuality(const GraphicsContext*, InterpolationQuality resampling);
103 InterpolationQuality computeInterpolationQuality(
109 bool isDataComplete = true);
111 bool shouldDrawAntiAliased(const GraphicsContext*, const SkRect& destRect);
115 #endif // SkiaUtils_h