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add Type enum to SkColorSpace

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Bug: 727128
Change-Id: I116de4efd6e64504a4e1892f431f528533b1173a
Reviewed-on: https://skia-review.googlesource.com/64261
Commit-Queue: Mike Reed <reed@google.com>
Reviewed-by: Leon Scroggins <scroggo@google.com>
This commit is contained in:
Mike Reed 2017-10-27 10:32:47 -04:00 committed by Skia Commit-Bot
parent 2d6b3937e0
commit 6566b97b76
2 changed files with 18 additions and 0 deletions
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10
include/core/SkColorSpace.h
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@ -104,6 +104,16 @@ public:
*/
static sk_sp<SkColorSpace> MakeICC(const void*, size_t);
/**
* Types of colorspaces.
*/
enum Type {
kRGB_Type,
kCMYK_Type,
kGray_Type,
};
Type type() const;
/**
* Returns true if the color space gamma is near enough to be approximated as sRGB.
* This includes the canonical sRGB transfer function as well as a 2.2f exponential

8
src/core/SkColorSpace.cpp
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@ -234,6 +234,14 @@ sk_sp<SkColorSpace> SkColorSpace::MakeSRGBLinear() {
///////////////////////////////////////////////////////////////////////////////////////////////////
SkColorSpace::Type SkColorSpace::type() const {
SkMatrix44 m(SkMatrix44::kUninitialized_Constructor);
if (this->toXYZD50(&m)) {
return m.isScale() ? kGray_Type : kRGB_Type;
}
return as_CSB(this)->onIsCMYK() ? kCMYK_Type : kRGB_Type;
}
bool SkColorSpace::gammaCloseToSRGB() const {
return as_CSB(this)->onGammaCloseToSRGB();
}