Add SkTypeface::getVariationDesignParameters

This adds a way for users to query the axis parameters for a typeface.

Change-Id: Idc2ac0d84bc7ae2ca484ae410cba5b01883418e5
Reviewed-on: https://skia-review.googlesource.com/137706
Commit-Queue: Ben Wagner <bungeman@google.com>
Reviewed-by: Mike Reed <reed@google.com>

4 files changed, 20 insertions, 0 deletions

diff --git a/tools/fonts/SkRandomScalerContext.cpp b/tools/fonts/SkRandomScalerContext.cpp
index c7cfbff9c3..d32fd62604 100644
--- a/tools/fonts/SkRandomScalerContext.cpp
+++ b/tools/fonts/SkRandomScalerContext.cpp
@@ -217,6 +217,12 @@ int SkRandomTypeface::onGetVariationDesignPosition(
     return fProxy->onGetVariationDesignPosition(coordinates, coordinateCount);
 }
 
+int SkRandomTypeface::onGetVariationDesignParameters(
+        SkFontParameters::Variation::Axis parameters[], int parameterCount) const
+{
+    return fProxy->onGetVariationDesignParameters(parameters, parameterCount);
+}
+
 int SkRandomTypeface::onGetTableTags(SkFontTableTag tags[]) const {
     return fProxy->getTableTags(tags);
 }
diff --git a/tools/fonts/SkRandomScalerContext.h b/tools/fonts/SkRandomScalerContext.h
index 8eb8b99f52..42f6095ed7 100644
--- a/tools/fonts/SkRandomScalerContext.h
+++ b/tools/fonts/SkRandomScalerContext.h
@@ -43,6 +43,8 @@ protected:
 
     int onGetVariationDesignPosition(SkFontArguments::VariationPosition::Coordinate coordinates[],
                                      int coordinateCount) const override;
+    int onGetVariationDesignParameters(SkFontParameters::Variation::Axis parameters[],
+                                       int parameterCount) 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/tools/fonts/SkTestSVGTypeface.h b/tools/fonts/SkTestSVGTypeface.h
index 2275c678a5..597ec33902 100644
--- a/tools/fonts/SkTestSVGTypeface.h
+++ b/tools/fonts/SkTestSVGTypeface.h
@@ -110,6 +110,12 @@ protected:
         return 0;
     }
 
+    int onGetVariationDesignParameters(SkFontParameters::Variation::Axis parameters[],
+                                       int parameterCount) const override
+    {
+        return 0;
+    }
+
     int onGetTableTags(SkFontTableTag tags[]) const override {
         return 0;
     }
diff --git a/tools/fonts/SkTestTypeface.h b/tools/fonts/SkTestTypeface.h
index e5ca64ff9a..677874399b 100644
--- a/tools/fonts/SkTestTypeface.h
+++ b/tools/fonts/SkTestTypeface.h
@@ -104,6 +104,12 @@ protected:
         return 0;
     }
 
+    int onGetVariationDesignParameters(SkFontParameters::Variation::Axis parameters[],
+                                       int parameterCount) const override
+    {
+        return 0;
+    }
+
     int onGetTableTags(SkFontTableTag tags[]) const override {
         return 0;
     }