Add SkTypeface::getVariationDesignPosition.

Allow users to query a typeface's position in variation design space.

Change-Id: I173ee9eefdddee6b2613435ebcc6b08c25b382ed
Reviewed-on: https://skia-review.googlesource.com/8684
Commit-Queue: Ben Wagner <bungeman@google.com>
Reviewed-by: Mike Reed <reed@google.com>

5 files changed, 22 insertions, 0 deletions

diff --git a/src/fonts/SkGScalerContext.cpp b/src/fonts/SkGScalerContext.cpp
index 8a0ac4cd64..3b9c660636 100644
--- a/src/fonts/SkGScalerContext.cpp
+++ b/src/fonts/SkGScalerContext.cpp
@@ -195,6 +195,12 @@ SkTypeface::LocalizedStrings* SkGTypeface::onCreateFamilyNameIterator() const {
     return fProxy->createFamilyNameIterator();
 }
 
+int SkGTypeface::onGetVariationDesignPosition(
+        SkFontArguments::VariationPosition::Coordinate coordinates[], int coordinateCount) const
+{
+    return fProxy->onGetVariationDesignPosition(coordinates, coordinateCount);
+}
+
 int SkGTypeface::onGetTableTags(SkFontTableTag tags[]) const {
     return fProxy->getTableTags(tags);
 }
diff --git a/src/fonts/SkGScalerContext.h b/src/fonts/SkGScalerContext.h
index 3eb25a81da..562513c7bc 100644
--- a/src/fonts/SkGScalerContext.h
+++ b/src/fonts/SkGScalerContext.h
@@ -37,6 +37,8 @@ protected:
     void onGetFamilyName(SkString* familyName) const override;
     SkTypeface::LocalizedStrings* onCreateFamilyNameIterator() const override;
 
+    int onGetVariationDesignPosition(SkFontArguments::VariationPosition::Coordinate coordinates[],
+                                     int coordinateCount) const override;
     int onGetTableTags(SkFontTableTag tags[]) const override;
     size_t onGetTableData(SkFontTableTag, size_t offset,
                           size_t length, void* data) const override;
diff --git a/src/fonts/SkRandomScalerContext.cpp b/src/fonts/SkRandomScalerContext.cpp
index 55c7fb30d4..3a292dcd79 100644
--- a/src/fonts/SkRandomScalerContext.cpp
+++ b/src/fonts/SkRandomScalerContext.cpp
@@ -242,6 +242,12 @@ SkTypeface::LocalizedStrings* SkRandomTypeface::onCreateFamilyNameIterator() con
     return fProxy->createFamilyNameIterator();
 }
 
+int SkRandomTypeface::onGetVariationDesignPosition(
+        SkFontArguments::VariationPosition::Coordinate coordinates[], int coordinateCount) const
+{
+    return fProxy->onGetVariationDesignPosition(coordinates, coordinateCount);
+}
+
 int SkRandomTypeface::onGetTableTags(SkFontTableTag tags[]) const {
     return fProxy->getTableTags(tags);
 }
diff --git a/src/fonts/SkRandomScalerContext.h b/src/fonts/SkRandomScalerContext.h
index 076689d93a..c84b76470e 100644
--- a/src/fonts/SkRandomScalerContext.h
+++ b/src/fonts/SkRandomScalerContext.h
@@ -42,6 +42,8 @@ protected:
     void onGetFamilyName(SkString* familyName) const override;
     SkTypeface::LocalizedStrings* onCreateFamilyNameIterator() const override;
 
+    int onGetVariationDesignPosition(SkFontArguments::VariationPosition::Coordinate coordinates[],
+                                     int coordinateCount) const override;
     int onGetTableTags(SkFontTableTag tags[]) const override;
     size_t onGetTableData(SkFontTableTag, size_t offset,
                           size_t length, void* data) const override;
diff --git a/src/fonts/SkTestScalerContext.h b/src/fonts/SkTestScalerContext.h
index 217e57c2a4..20cce91ab9 100644
--- a/src/fonts/SkTestScalerContext.h
+++ b/src/fonts/SkTestScalerContext.h
@@ -91,6 +91,12 @@ protected:
     void onGetFamilyName(SkString* familyName) const override;
     SkTypeface::LocalizedStrings* onCreateFamilyNameIterator() const override;
 
+    int onGetVariationDesignPosition(SkFontArguments::VariationPosition::Coordinate coordinates[],
+                                     int coordinateCount) const override
+    {
+        return 0;
+    }
+
     int onGetTableTags(SkFontTableTag tags[]) const override {
         return 0;
     }