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Unified Diff: src/core/SkColorSpace.cpp

Issue 2322543002: Rebase (Closed)
Patch Set: Created 4 years, 3 months ago
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Index: src/core/SkColorSpace.cpp
diff --git a/src/core/SkColorSpace.cpp b/src/core/SkColorSpace.cpp
index 486699ecf60d65ea9ee742143bcf92b48be2db40..647795fb65d37533a649c9e1bc6e85a3b29a136d 100644
--- a/src/core/SkColorSpace.cpp
+++ b/src/core/SkColorSpace.cpp
@@ -10,22 +10,23 @@
#include "SkColorSpacePriv.h"
#include "SkOnce.h"
-SkColorSpace::SkColorSpace(GammaNamed gammaNamed, const SkMatrix44& toXYZD50)
- : fGammaNamed(gammaNamed)
- , fToXYZD50(toXYZD50)
+SkColorSpace::SkColorSpace(const SkMatrix44& toXYZD50)
+ : fToXYZD50(toXYZD50)
{}
-SkColorSpace_Base::SkColorSpace_Base(GammaNamed gammaNamed, const SkMatrix44& toXYZD50)
- : INHERITED(gammaNamed, toXYZD50)
+SkColorSpace_Base::SkColorSpace_Base(SkGammaNamed gammaNamed, const SkMatrix44& toXYZD50)
+ : INHERITED(toXYZD50)
+ , fGammaNamed(gammaNamed)
, fGammas(nullptr)
, fProfileData(nullptr)
{}
-SkColorSpace_Base::SkColorSpace_Base(sk_sp<SkColorLookUpTable> colorLUT, GammaNamed gammaNamed,
+SkColorSpace_Base::SkColorSpace_Base(sk_sp<SkColorLookUpTable> colorLUT, SkGammaNamed gammaNamed,
sk_sp<SkGammas> gammas, const SkMatrix44& toXYZD50,
sk_sp<SkData> profileData)
- : INHERITED(gammaNamed, toXYZD50)
+ : INHERITED(toXYZD50)
, fColorLUT(std::move(colorLUT))
+ , fGammaNamed(gammaNamed)
, fGammas(std::move(gammas))
, fProfileData(std::move(profileData))
{}
@@ -72,18 +73,18 @@ sk_sp<SkColorSpace> SkColorSpace_Base::NewRGB(const float values[3], const SkMat
return nullptr;
}
- GammaNamed gammaNamed = kNonStandard_GammaNamed;
+ SkGammaNamed gammaNamed = kNonStandard_SkGammaNamed;
if (color_space_almost_equal(2.2f, values[0]) &&
color_space_almost_equal(2.2f, values[1]) &&
color_space_almost_equal(2.2f, values[2])) {
- gammaNamed = k2Dot2Curve_GammaNamed;
+ gammaNamed = k2Dot2Curve_SkGammaNamed;
} else if (color_space_almost_equal(1.0f, values[0]) &&
color_space_almost_equal(1.0f, values[1]) &&
color_space_almost_equal(1.0f, values[2])) {
- gammaNamed = kLinear_GammaNamed;
+ gammaNamed = kLinear_SkGammaNamed;
}
- if (kNonStandard_GammaNamed == gammaNamed) {
+ if (kNonStandard_SkGammaNamed == gammaNamed) {
sk_sp<SkGammas> gammas = sk_sp<SkGammas>(new SkGammas());
gammas->fRedType = SkGammas::Type::kValue_Type;
gammas->fGreenType = SkGammas::Type::kValue_Type;
@@ -91,26 +92,26 @@ sk_sp<SkColorSpace> SkColorSpace_Base::NewRGB(const float values[3], const SkMat
gammas->fRedData.fValue = values[0];
gammas->fGreenData.fValue = values[1];
gammas->fBlueData.fValue = values[2];
- return sk_sp<SkColorSpace>(new SkColorSpace_Base(nullptr, kNonStandard_GammaNamed, gammas,
+ return sk_sp<SkColorSpace>(new SkColorSpace_Base(nullptr, kNonStandard_SkGammaNamed, gammas,
toXYZD50, nullptr));
}
return SkColorSpace_Base::NewRGB(gammaNamed, toXYZD50);
}
-sk_sp<SkColorSpace> SkColorSpace_Base::NewRGB(GammaNamed gammaNamed, const SkMatrix44& toXYZD50) {
+sk_sp<SkColorSpace> SkColorSpace_Base::NewRGB(SkGammaNamed gammaNamed, const SkMatrix44& toXYZD50) {
switch (gammaNamed) {
- case kSRGB_GammaNamed:
+ case kSRGB_SkGammaNamed:
if (xyz_almost_equal(toXYZD50, gSRGB_toXYZD50)) {
return SkColorSpace::NewNamed(kSRGB_Named);
}
break;
- case k2Dot2Curve_GammaNamed:
+ case k2Dot2Curve_SkGammaNamed:
if (xyz_almost_equal(toXYZD50, gAdobeRGB_toXYZD50)) {
return SkColorSpace::NewNamed(kAdobeRGB_Named);
}
break;
- case kNonStandard_GammaNamed:
+ case kNonStandard_SkGammaNamed:
// This is not allowed.
return nullptr;
default:
@@ -121,7 +122,14 @@ sk_sp<SkColorSpace> SkColorSpace_Base::NewRGB(GammaNamed gammaNamed, const SkMat
}
sk_sp<SkColorSpace> SkColorSpace::NewRGB(GammaNamed gammaNamed, const SkMatrix44& toXYZD50) {
- return SkColorSpace_Base::NewRGB(gammaNamed, toXYZD50);
+ switch (gammaNamed) {
+ case kLinear_GammaNamed:
+ return SkColorSpace_Base::NewRGB(kLinear_SkGammaNamed, toXYZD50);
+ case kSRGB_GammaNamed:
+ return SkColorSpace_Base::NewRGB(kSRGB_SkGammaNamed, toXYZD50);
+ default:
+ return nullptr;
+ }
}
static SkColorSpace* gAdobeRGB;
@@ -139,7 +147,7 @@ sk_sp<SkColorSpace> SkColorSpace::NewNamed(Named named) {
// Force the mutable type mask to be computed. This avoids races.
(void)srgbToxyzD50.getType();
- gSRGB = new SkColorSpace_Base(kSRGB_GammaNamed, srgbToxyzD50);
+ gSRGB = new SkColorSpace_Base(kSRGB_SkGammaNamed, srgbToxyzD50);
});
return sk_ref_sp<SkColorSpace>(gSRGB);
}
@@ -150,7 +158,7 @@ sk_sp<SkColorSpace> SkColorSpace::NewNamed(Named named) {
// Force the mutable type mask to be computed. This avoids races.
(void)adobergbToxyzD50.getType();
- gAdobeRGB = new SkColorSpace_Base(k2Dot2Curve_GammaNamed, adobergbToxyzD50);
+ gAdobeRGB = new SkColorSpace_Base(k2Dot2Curve_SkGammaNamed, adobergbToxyzD50);
});
return sk_ref_sp<SkColorSpace>(gAdobeRGB);
}
@@ -161,7 +169,17 @@ sk_sp<SkColorSpace> SkColorSpace::NewNamed(Named named) {
}
sk_sp<SkColorSpace> SkColorSpace::makeLinearGamma() {
- return SkColorSpace_Base::NewRGB(kLinear_GammaNamed, fToXYZD50);
+ return SkColorSpace_Base::NewRGB(kLinear_SkGammaNamed, fToXYZD50);
+}
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+bool SkColorSpace::gammaCloseToSRGB() const {
+ return kSRGB_SkGammaNamed == as_CSB(this)->fGammaNamed ||
+ k2Dot2Curve_SkGammaNamed == as_CSB(this)->fGammaNamed;
+}
+
+bool SkColorSpace::gammaIsLinear() const {
+ return kLinear_SkGammaNamed == as_CSB(this)->fGammaNamed;
}
///////////////////////////////////////////////////////////////////////////////////////////////////
@@ -203,7 +221,7 @@ struct ColorSpaceHeader {
SkASSERT(named <= SkColorSpace::kAdobeRGB_Named);
header.fNamed = (uint8_t) named;
- SkASSERT(gammaNamed <= SkColorSpace::kNonStandard_GammaNamed);
+ SkASSERT(gammaNamed <= kNonStandard_SkGammaNamed);
header.fGammaNamed = (uint8_t) gammaNamed;
SkASSERT(flags <= kFloatGamma_Flag);
@@ -213,7 +231,7 @@ struct ColorSpaceHeader {
uint8_t fVersion; // Always zero
uint8_t fNamed; // Must be a SkColorSpace::Named
- uint8_t fGammaNamed; // Must be a SkColorSpace::GammaNamed
+ uint8_t fGammaNamed; // Must be a SkGammaNamed
uint8_t fFlags; // Some combination of the flags listed above
};
@@ -225,24 +243,26 @@ size_t SkColorSpace::writeToMemory(void* memory) const {
if (this == gSRGB) {
if (memory) {
*((ColorSpaceHeader*) memory) =
- ColorSpaceHeader::Pack(k0_Version, kSRGB_Named, fGammaNamed, 0);
+ ColorSpaceHeader::Pack(k0_Version, kSRGB_Named,
+ as_CSB(this)->fGammaNamed, 0);
}
return sizeof(ColorSpaceHeader);
} else if (this == gAdobeRGB) {
if (memory) {
*((ColorSpaceHeader*) memory) =
- ColorSpaceHeader::Pack(k0_Version, kAdobeRGB_Named, fGammaNamed, 0);
+ ColorSpaceHeader::Pack(k0_Version, kAdobeRGB_Named,
+ as_CSB(this)->fGammaNamed, 0);
}
}
// If we have a named gamma, write the enum and the matrix.
- switch (fGammaNamed) {
- case kSRGB_GammaNamed:
- case k2Dot2Curve_GammaNamed:
- case kLinear_GammaNamed: {
+ switch (as_CSB(this)->fGammaNamed) {
+ case kSRGB_SkGammaNamed:
+ case k2Dot2Curve_SkGammaNamed:
+ case kLinear_SkGammaNamed: {
if (memory) {
*((ColorSpaceHeader*) memory) =
- ColorSpaceHeader::Pack(k0_Version, 0, fGammaNamed,
+ ColorSpaceHeader::Pack(k0_Version, 0, as_CSB(this)->fGammaNamed,
ColorSpaceHeader::kMatrix_Flag);
memory = SkTAddOffset<void>(memory, sizeof(ColorSpaceHeader));
fToXYZD50.as4x3ColMajorf((float*) memory);
@@ -253,7 +273,7 @@ size_t SkColorSpace::writeToMemory(void* memory) const {
// Otherwise, write the gamma values and the matrix.
if (memory) {
*((ColorSpaceHeader*) memory) =
- ColorSpaceHeader::Pack(k0_Version, 0, fGammaNamed,
+ ColorSpaceHeader::Pack(k0_Version, 0, as_CSB(this)->fGammaNamed,
ColorSpaceHeader::kFloatGamma_Flag);
memory = SkTAddOffset<void>(memory, sizeof(ColorSpaceHeader));
@@ -281,7 +301,7 @@ size_t SkColorSpace::writeToMemory(void* memory) const {
if (memory) {
*((ColorSpaceHeader*) memory) = ColorSpaceHeader::Pack(k0_Version, 0,
- kNonStandard_GammaNamed,
+ kNonStandard_SkGammaNamed,
ColorSpaceHeader::kICC_Flag);
memory = SkTAddOffset<void>(memory, sizeof(ColorSpaceHeader));
@@ -317,17 +337,17 @@ sk_sp<SkColorSpace> SkColorSpace::Deserialize(const void* data, size_t length) {
return NewNamed((Named) header.fNamed);
}
- switch ((GammaNamed) header.fGammaNamed) {
- case kSRGB_GammaNamed:
- case k2Dot2Curve_GammaNamed:
- case kLinear_GammaNamed: {
+ switch ((SkGammaNamed) header.fGammaNamed) {
+ case kSRGB_SkGammaNamed:
+ case k2Dot2Curve_SkGammaNamed:
+ case kLinear_SkGammaNamed: {
if (ColorSpaceHeader::kMatrix_Flag != header.fFlags || length < 12 * sizeof(float)) {
return nullptr;
}
SkMatrix44 toXYZ(SkMatrix44::kUninitialized_Constructor);
toXYZ.set4x3ColMajorf((const float*) data);
- return NewRGB((GammaNamed) header.fGammaNamed, toXYZ);
+ return SkColorSpace_Base::NewRGB((SkGammaNamed) header.fGammaNamed, toXYZ);
}
default:
break;
@@ -390,13 +410,14 @@ bool SkColorSpace::Equals(const SkColorSpace* src, const SkColorSpace* dst) {
// It's important to check fProfileData before named gammas. Some profiles may have named
// gammas, but also include other wacky features that cause us to save the data.
- switch (src->fGammaNamed) {
- case kSRGB_GammaNamed:
- case k2Dot2Curve_GammaNamed:
- case kLinear_GammaNamed:
- return (src->fGammaNamed == dst->fGammaNamed) && (src->fToXYZD50 == dst->fToXYZD50);
+ switch (as_CSB(src)->fGammaNamed) {
+ case kSRGB_SkGammaNamed:
+ case k2Dot2Curve_SkGammaNamed:
+ case kLinear_SkGammaNamed:
+ return (as_CSB(src)->fGammaNamed == as_CSB(dst)->fGammaNamed) &&
+ (src->fToXYZD50 == dst->fToXYZD50);
default:
- if (src->fGammaNamed != dst->fGammaNamed) {
+ if (as_CSB(src)->fGammaNamed != as_CSB(dst)->fGammaNamed) {
return false;
}
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