Add toXYZD50() to SkColorSpace API

BUG=skia:

Change-Id: I996877c9482453fc5ff58b0f66fa29715bea2191
Reviewed-on: https://skia-review.googlesource.com/8024
Commit-Queue: Matt Sarett <msarett@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
Reviewed-by: Mike Reed <reed@google.com>

2 files changed, 16 insertions, 0 deletions

diff --git a/include/core/SkColorSpace.h b/include/core/SkColorSpace.h
index 6c0db85d7b..1bcb44fbc5 100644
--- a/include/core/SkColorSpace.h
+++ b/include/core/SkColorSpace.h
@@ -118,6 +118,12 @@ public:
     bool gammaIsLinear() const;
 
     /**
+     *  Returns true and sets |toXYZD50| if the color gamut can be described as a matrix.
+     *  Returns false otherwise.
+     */
+    bool toXYZD50(SkMatrix44* toXYZD50) const;
+
+    /**
      *  Returns nullptr on failure.  Fails when we fallback to serializing ICC data and
      *  the data is too large to serialize.
      */
diff --git a/src/core/SkColorSpace.cpp b/src/core/SkColorSpace.cpp
index 239a61bcce..3c1ce257f1 100644
--- a/src/core/SkColorSpace.cpp
+++ b/src/core/SkColorSpace.cpp
@@ -242,6 +242,16 @@ bool SkColorSpace::gammaIsLinear() const {
     return as_CSB(this)->onGammaIsLinear();
 }
 
+bool SkColorSpace::toXYZD50(SkMatrix44* toXYZD50) const {
+    const SkMatrix44* matrix = as_CSB(this)->toXYZD50();
+    if (matrix) {
+        *toXYZD50 = *matrix;
+        return true;
+    }
+
+    return false;
+}
+
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 
 enum Version {