Revert "Revert "VectorDrawable native rendering - Step 4 of MANY""
This reverts commit 5a11e8d0ba21624025b89ac63bbd18befa55be0e.
Change-Id: I7a48b59c4f930dad65ddc8590c25a12636244ea2
diff --git a/libs/hwui/PropertyValuesHolder.h b/libs/hwui/PropertyValuesHolder.h
new file mode 100644
index 0000000..b905fae
--- /dev/null
+++ b/libs/hwui/PropertyValuesHolder.h
@@ -0,0 +1,121 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include "VectorDrawable.h"
+
+#include <SkColor.h>
+
+namespace android {
+namespace uirenderer {
+
+/**
+ * PropertyValues holder contains data needed to change a property of a Vector Drawable object.
+ * When a fraction in [0f, 1f] is provided, the holder will calculate an interpolated value based
+ * on its start and end value, and set the new value on the VectorDrawble's corresponding property.
+ */
+class ANDROID_API PropertyValuesHolder {
+public:
+ virtual void setFraction(float fraction) = 0;
+ void setPropertyDataSource(float* dataSource, int length) {
+ mDataSource.insert(mDataSource.begin(), dataSource, dataSource + length);
+ }
+ float getValueFromData(float fraction);
+ virtual ~PropertyValuesHolder() {}
+protected:
+ std::vector<float> mDataSource;
+};
+
+class ANDROID_API GroupPropertyValuesHolder : public PropertyValuesHolder {
+public:
+ GroupPropertyValuesHolder(VectorDrawable::Group* ptr, int propertyId, float startValue,
+ float endValue)
+ : mGroup(ptr)
+ , mPropertyId(propertyId)
+ , mStartValue(startValue)
+ , mEndValue(endValue){
+ }
+ void setFraction(float fraction) override;
+private:
+ VectorDrawable::Group* mGroup;
+ int mPropertyId;
+ float mStartValue;
+ float mEndValue;
+};
+
+class ANDROID_API FullPathColorPropertyValuesHolder : public PropertyValuesHolder {
+public:
+ FullPathColorPropertyValuesHolder(VectorDrawable::FullPath* ptr, int propertyId, int32_t startValue,
+ int32_t endValue)
+ : mFullPath(ptr)
+ , mPropertyId(propertyId)
+ , mStartValue(startValue)
+ , mEndValue(endValue) {};
+ void setFraction(float fraction) override;
+ static SkColor interpolateColors(SkColor fromColor, SkColor toColor, float fraction);
+private:
+ VectorDrawable::FullPath* mFullPath;
+ int mPropertyId;
+ int32_t mStartValue;
+ int32_t mEndValue;
+};
+
+class ANDROID_API FullPathPropertyValuesHolder : public PropertyValuesHolder {
+public:
+ FullPathPropertyValuesHolder(VectorDrawable::FullPath* ptr, int propertyId, float startValue,
+ float endValue)
+ : mFullPath(ptr)
+ , mPropertyId(propertyId)
+ , mStartValue(startValue)
+ , mEndValue(endValue) {};
+ void setFraction(float fraction) override;
+private:
+ VectorDrawable::FullPath* mFullPath;
+ int mPropertyId;
+ float mStartValue;
+ float mEndValue;
+};
+
+class ANDROID_API PathDataPropertyValuesHolder : public PropertyValuesHolder {
+public:
+ PathDataPropertyValuesHolder(VectorDrawable::Path* ptr, PathData* startValue,
+ PathData* endValue)
+ : mPath(ptr)
+ , mStartValue(*startValue)
+ , mEndValue(*endValue) {};
+ void setFraction(float fraction) override;
+private:
+ VectorDrawable::Path* mPath;
+ PathData mPathData;
+ PathData mStartValue;
+ PathData mEndValue;
+};
+
+class ANDROID_API RootAlphaPropertyValuesHolder : public PropertyValuesHolder {
+public:
+ RootAlphaPropertyValuesHolder(VectorDrawable::Tree* tree, float startValue, float endValue)
+ : mTree(tree)
+ , mStartValue(startValue)
+ , mEndValue(endValue) {}
+ void setFraction(float fraction) override;
+private:
+ VectorDrawable::Tree* mTree;
+ float mStartValue;
+ float mEndValue;
+};
+}
+}