Revert "Add SkTypeface::getVariationDesignPosition."

This reverts commit 87e7f820f74a990a59fb8f1d5c182584ce586ecf.

Reason for revert: Failed a test on Mac

Original change's description:
> Add SkTypeface::getVariationDesignPosition.
> 
> Allow users to query a typeface's position in variation design space.
> 
> Change-Id: I5d80c8ff658708a5d1aa386ec5b7396dcb621198
> Reviewed-on: https://skia-review.googlesource.com/7130
> Commit-Queue: Ben Wagner <bungeman@google.com>
> Reviewed-by: Mike Reed <reed@google.com>
> 

TBR=bungeman@google.com,reed@google.com,reviews@skia.org,drott@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Change-Id: Ia65792083642dbe9333a62eb75d162931b57cffd
Reviewed-on: https://skia-review.googlesource.com/8670
Reviewed-by: Ben Wagner <bungeman@google.com>
Commit-Queue: Ben Wagner <bungeman@google.com>

1 files changed, 46 insertions, 5 deletions

diff --git a/include/ports/SkFontMgr.h b/include/ports/SkFontMgr.h
index b5879d35b8..4103e8747e 100644
--- a/include/ports/SkFontMgr.h
+++ b/include/ports/SkFontMgr.h
@@ -8,9 +8,9 @@
 #ifndef SkFontMgr_DEFINED
 #define SkFontMgr_DEFINED
 
-#include "SkFontArguments.h"
 #include "SkFontStyle.h"
 #include "SkRefCnt.h"
+#include "SkScalar.h"
 #include "SkTypes.h"
 
 class SkData;
@@ -102,10 +102,51 @@ public:
      */
     SkTypeface* createFromStream(SkStreamAsset*, int ttcIndex = 0) const;
 
-    // deprecated, use SkFontArguments instead.
-    using FontParameters = SkFontArguments;
+    struct FontParameters {
+        struct Axis {
+            SkFourByteTag fTag;
+            SkScalar fStyleValue;
+        };
+
+        FontParameters() : fCollectionIndex(0), fAxisCount(0), fAxes(nullptr) {}
+
+        /** Specify the index of the desired font.
+         *
+         *  Font formats like ttc, dfont, cff, cid, pfr, t42, t1, and fon may actually be indexed
+         *  collections of fonts.
+         */
+        FontParameters& setCollectionIndex(int collectionIndex) {
+            fCollectionIndex = collectionIndex;
+            return *this;
+        }
+
+        /** Specify the GX variation axis values.
+         *
+         *  Any axes not specified will use the default value. Specified axes not present in the
+         *  font will be ignored.
+         *
+         *  @param axes not copied. This pointer must remain valid for life of FontParameters.
+         */
+        FontParameters& setAxes(const Axis* axes, int axisCount) {
+            fAxisCount = axisCount;
+            fAxes = axes;
+            return *this;
+        }
+
+        int getCollectionIndex() const {
+            return fCollectionIndex;
+        }
+        const Axis* getAxes(int* axisCount) const {
+            *axisCount = fAxisCount;
+            return fAxes;
+        }
+    private:
+        int fCollectionIndex;
+        int fAxisCount;
+        const Axis* fAxes;
+    };
     /* Experimental, API subject to change. */
-    SkTypeface* createFromStream(SkStreamAsset*, const SkFontArguments&) const;
+    SkTypeface* createFromStream(SkStreamAsset*, const FontParameters&) const;
 
     /**
      *  Create a typeface from the specified font data.
@@ -146,7 +187,7 @@ protected:
     virtual SkTypeface* onCreateFromData(SkData*, int ttcIndex) const = 0;
     virtual SkTypeface* onCreateFromStream(SkStreamAsset*, int ttcIndex) const = 0;
     // TODO: make pure virtual.
-    virtual SkTypeface* onCreateFromStream(SkStreamAsset*, const SkFontArguments&) const;
+    virtual SkTypeface* onCreateFromStream(SkStreamAsset*, const FontParameters&) const;
     virtual SkTypeface* onCreateFromFontData(std::unique_ptr<SkFontData>) const;
     virtual SkTypeface* onCreateFromFile(const char path[], int ttcIndex) const = 0;