GrCustomXfermode Namespace Reference

Functions
bool	IsSupportedMode (SkBlendMode mode)
const GrXPFactory *	Get (SkBlendMode mode)

Detailed Description

Custom Xfer modes are used for blending when the blend mode cannot be represented using blend coefficients.

Function Documentation

Get()

const GrXPFactory * GrCustomXfermode::Get

(

SkBlendMode

mode

)

Definition at line 379 of file GrCustomXfermode.cpp.

                                                         {
    static constexpr const CustomXPFactory gOverlay(SkBlendMode::kOverlay);
    static constexpr const CustomXPFactory gDarken(SkBlendMode::kDarken);
    static constexpr const CustomXPFactory gLighten(SkBlendMode::kLighten);
    static constexpr const CustomXPFactory gColorDodge(SkBlendMode::kColorDodge);
    static constexpr const CustomXPFactory gColorBurn(SkBlendMode::kColorBurn);
    static constexpr const CustomXPFactory gHardLight(SkBlendMode::kHardLight);
    static constexpr const CustomXPFactory gSoftLight(SkBlendMode::kSoftLight);
    static constexpr const CustomXPFactory gDifference(SkBlendMode::kDifference);
    static constexpr const CustomXPFactory gExclusion(SkBlendMode::kExclusion);
    static constexpr const CustomXPFactory gMultiply(SkBlendMode::kMultiply);
    static constexpr const CustomXPFactory gHue(SkBlendMode::kHue);
    static constexpr const CustomXPFactory gSaturation(SkBlendMode::kSaturation);
    static constexpr const CustomXPFactory gColor(SkBlendMode::kColor);
    static constexpr const CustomXPFactory gLuminosity(SkBlendMode::kLuminosity);
    switch (mode) {
        case SkBlendMode::kOverlay:
            return &gOverlay;
        case SkBlendMode::kDarken:
            return &gDarken;
        case SkBlendMode::kLighten:
            return &gLighten;
        case SkBlendMode::kColorDodge:
            return &gColorDodge;
        case SkBlendMode::kColorBurn:
            return &gColorBurn;
        case SkBlendMode::kHardLight:
            return &gHardLight;
        case SkBlendMode::kSoftLight:
            return &gSoftLight;
        case SkBlendMode::kDifference:
            return &gDifference;
        case SkBlendMode::kExclusion:
            return &gExclusion;
        case SkBlendMode::kMultiply:
            return &gMultiply;
        case SkBlendMode::kHue:
            return &gHue;
        case SkBlendMode::kSaturation:
            return &gSaturation;
        case SkBlendMode::kColor:
            return &gColor;
        case SkBlendMode::kLuminosity:
            return &gLuminosity;
        default:
            SkASSERT(!GrCustomXfermode::IsSupportedMode(mode));
            return nullptr;
    }
}

IsSupportedMode()

bool GrCustomXfermode::IsSupportedMode

(

SkBlendMode

mode

)

Definition at line 31 of file GrCustomXfermode.cpp.

                                                       {
    return (int)mode  > (int)SkBlendMode::kLastCoeffMode &&
           (int)mode <= (int)SkBlendMode::kLastMode;
}