Merge "Added support for Canvas#drawDoubleRoundRect in application Canvas API"
diff --git a/api/current.txt b/api/current.txt
index 345b65d..5a26671 100755
--- a/api/current.txt
+++ b/api/current.txt
@@ -13404,6 +13404,8 @@
     method public void drawCircle(float, float, float, android.graphics.Paint);
     method public void drawColor(int);
     method public void drawColor(int, android.graphics.PorterDuff.Mode);
+    method public void drawDoubleRoundRect(android.graphics.RectF, float, float, android.graphics.RectF, float, float, android.graphics.Paint);
+    method public void drawDoubleRoundRect(android.graphics.RectF, float[], android.graphics.RectF, float[], android.graphics.Paint);
     method public void drawLine(float, float, float, float, android.graphics.Paint);
     method public void drawLines(float[], int, int, android.graphics.Paint);
     method public void drawLines(float[], android.graphics.Paint);
diff --git a/core/jni/android_graphics_Canvas.cpp b/core/jni/android_graphics_Canvas.cpp
index 343aef2..dca2da3 100644
--- a/core/jni/android_graphics_Canvas.cpp
+++ b/core/jni/android_graphics_Canvas.cpp
@@ -273,6 +273,32 @@
     get_canvas(canvasHandle)->drawRect(left, top, right, bottom, *paint);
 }
 
+static void drawDoubleRoundRectXY(JNIEnv* env, jobject, jlong canvasHandle, jfloat outerLeft,
+                    jfloat outerTop, jfloat outerRight, jfloat outerBottom, jfloat outerRx,
+                    jfloat outerRy, jfloat innerLeft, jfloat innerTop, jfloat innerRight,
+                    jfloat innerBottom, jfloat innerRx, jfloat innerRy, jlong paintHandle) {
+    const Paint* paint = reinterpret_cast<Paint*>(paintHandle);
+    get_canvas(canvasHandle)->drawDoubleRoundRectXY(
+                    outerLeft, outerTop, outerRight, outerBottom, outerRx, outerRy,
+                    innerLeft, innerTop, innerRight, innerBottom, innerRx, innerRy, *paint);
+}
+
+static void drawDoubleRoundRectRadii(JNIEnv* env, jobject, jlong canvasHandle, jfloat outerLeft,
+                     jfloat outerTop, jfloat outerRight, jfloat outerBottom, jfloatArray jouterRadii,
+                     jfloat innerLeft, jfloat innerTop, jfloat innerRight,
+                     jfloat innerBottom, jfloatArray jinnerRadii, jlong paintHandle) {
+    const Paint* paint = reinterpret_cast<Paint*>(paintHandle);
+
+    float outerRadii[8];
+    float innerRadii[8];
+    env->GetFloatArrayRegion(jouterRadii, 0, 8, outerRadii);
+    env->GetFloatArrayRegion(jinnerRadii, 0, 8, innerRadii);
+    get_canvas(canvasHandle)->drawDoubleRoundRectRadii(
+                    outerLeft, outerTop, outerRight, outerBottom, outerRadii,
+                    innerLeft, innerTop, innerRight, innerBottom, innerRadii, *paint);
+
+}
+
 static void drawRegion(JNIEnv* env, jobject, jlong canvasHandle, jlong regionHandle,
                        jlong paintHandle) {
     const SkRegion* region = reinterpret_cast<SkRegion*>(regionHandle);
@@ -651,6 +677,8 @@
     {"nDrawRect","(JFFFFJ)V", (void*) CanvasJNI::drawRect},
     {"nDrawRegion", "(JJJ)V", (void*) CanvasJNI::drawRegion },
     {"nDrawRoundRect","(JFFFFFFJ)V", (void*) CanvasJNI::drawRoundRect},
+    {"nDrawDoubleRoundRect", "(JFFFFFFFFFFFFJ)V", (void*) CanvasJNI::drawDoubleRoundRectXY},
+    {"nDrawDoubleRoundRect", "(JFFFF[FFFFF[FJ)V", (void*) CanvasJNI::drawDoubleRoundRectRadii},
     {"nDrawCircle","(JFFFJ)V", (void*) CanvasJNI::drawCircle},
     {"nDrawOval","(JFFFFJ)V", (void*) CanvasJNI::drawOval},
     {"nDrawArc","(JFFFFFFZJ)V", (void*) CanvasJNI::drawArc},
diff --git a/graphics/java/android/graphics/BaseCanvas.java b/graphics/java/android/graphics/BaseCanvas.java
index fa37bed..0885a05 100644
--- a/graphics/java/android/graphics/BaseCanvas.java
+++ b/graphics/java/android/graphics/BaseCanvas.java
@@ -376,6 +376,53 @@
         drawRoundRect(rect.left, rect.top, rect.right, rect.bottom, rx, ry, paint);
     }
 
+    /**
+     * Make lint happy.
+     * See {@link Canvas#drawDoubleRoundRect(RectF, float, float, RectF, float, float, Paint)}
+     */
+    public void drawDoubleRoundRect(@NonNull RectF outer, float outerRx, float outerRy,
+            @NonNull RectF inner, float innerRx, float innerRy, @NonNull Paint paint) {
+        throwIfHasHwBitmapInSwMode(paint);
+        float outerLeft = outer.left;
+        float outerTop = outer.top;
+        float outerRight = outer.right;
+        float outerBottom = outer.bottom;
+
+        float innerLeft = inner.left;
+        float innerTop = inner.top;
+        float innerRight = inner.right;
+        float innerBottom = inner.bottom;
+        nDrawDoubleRoundRect(mNativeCanvasWrapper, outerLeft, outerTop, outerRight, outerBottom,
+                outerRx, outerRy, innerLeft, innerTop, innerRight, innerBottom, innerRx, innerRy,
+                paint.getNativeInstance());
+    }
+
+    /**
+     * Make lint happy.
+     * See {@link Canvas#drawDoubleRoundRect(RectF, float[], RectF, float[], Paint)}
+     */
+    public void drawDoubleRoundRect(@NonNull RectF outer, float[] outerRadii,
+            @NonNull RectF inner, float[] innerRadii, @NonNull Paint paint) {
+        throwIfHasHwBitmapInSwMode(paint);
+        if (innerRadii == null || outerRadii == null
+                || innerRadii.length != 8 || outerRadii.length != 8) {
+            throw new IllegalArgumentException("Both inner and outer radii arrays must contain "
+                    + "exactly 8 values");
+        }
+        float outerLeft = outer.left;
+        float outerTop = outer.top;
+        float outerRight = outer.right;
+        float outerBottom = outer.bottom;
+
+        float innerLeft = inner.left;
+        float innerTop = inner.top;
+        float innerRight = inner.right;
+        float innerBottom = inner.bottom;
+        nDrawDoubleRoundRect(mNativeCanvasWrapper, outerLeft, outerTop, outerRight,
+                outerBottom, outerRadii, innerLeft, innerTop, innerRight, innerBottom, innerRadii,
+                paint.getNativeInstance());
+    }
+
     public void drawText(@NonNull char[] text, int index, int count, float x, float y,
             @NonNull Paint paint) {
         if ((index | count | (index + count) |
@@ -631,6 +678,16 @@
     private static native void nDrawRoundRect(long nativeCanvas, float left, float top, float right,
             float bottom, float rx, float ry, long nativePaint);
 
+    private static native void nDrawDoubleRoundRect(long nativeCanvas, float outerLeft,
+            float outerTop, float outerRight, float outerBottom, float outerRx, float outerRy,
+            float innerLeft, float innerTop, float innerRight, float innerBottom, float innerRx,
+            float innerRy, long nativePaint);
+
+    private static native void nDrawDoubleRoundRect(long nativeCanvas, float outerLeft,
+            float outerTop, float outerRight, float outerBottom, float[] outerRadii,
+            float innerLeft, float innerTop, float innerRight, float innerBottom,
+            float[] innerRadii, long nativePaint);
+
     private static native void nDrawPath(long nativeCanvas, long nativePath, long nativePaint);
 
     private static native void nDrawRegion(long nativeCanvas, long nativeRegion, long nativePaint);
diff --git a/graphics/java/android/graphics/BaseRecordingCanvas.java b/graphics/java/android/graphics/BaseRecordingCanvas.java
index 6e93691..fb30ca2 100644
--- a/graphics/java/android/graphics/BaseRecordingCanvas.java
+++ b/graphics/java/android/graphics/BaseRecordingCanvas.java
@@ -377,6 +377,24 @@
     }
 
     @Override
+    public final void drawDoubleRoundRect(@NonNull RectF outer, float outerRx, float outerRy,
+            @NonNull RectF inner, float innerRx, float innerRy, @NonNull Paint paint) {
+        nDrawDoubleRoundRect(mNativeCanvasWrapper,
+                outer.left, outer.top, outer.right, outer.bottom, outerRx, outerRy,
+                inner.left, inner.top, inner.right, inner.bottom, innerRx, innerRy,
+                paint.getNativeInstance());
+    }
+
+    @Override
+    public final void drawDoubleRoundRect(@NonNull RectF outer, float[] outerRadii,
+            @NonNull RectF inner, float[] innerRadii, @NonNull Paint paint) {
+        nDrawDoubleRoundRect(mNativeCanvasWrapper,
+                outer.left, outer.top, outer.right, outer.bottom, outerRadii,
+                inner.left, inner.top, inner.right, inner.bottom, innerRadii,
+                paint.getNativeInstance());
+    }
+
+    @Override
     public final void drawText(@NonNull char[] text, int index, int count, float x, float y,
             @NonNull Paint paint) {
         if ((index | count | (index + count)
@@ -593,6 +611,18 @@
             float bottom, float rx, float ry, long nativePaint);
 
     @FastNative
+    private static native void nDrawDoubleRoundRect(long nativeCanvas,
+            float outerLeft, float outerTop, float outerRight, float outerBottom,
+            float outerRx, float outerRy, float innerLeft, float innerTop, float innerRight,
+            float innerBottom, float innerRx, float innerRy, long nativePaint);
+
+    @FastNative
+    private static native void nDrawDoubleRoundRect(long nativeCanvas, float outerLeft,
+            float outerTop, float outerRight, float outerBottom, float[] outerRadii,
+            float innerLeft, float innerTop, float innerRight, float innerBottom,
+            float[] innerRadii, long nativePaint);
+
+    @FastNative
     private static native void nDrawPath(long nativeCanvas, long nativePath, long nativePaint);
 
     @FastNative
diff --git a/graphics/java/android/graphics/Canvas.java b/graphics/java/android/graphics/Canvas.java
index 36c1c21..e35a3be 100644
--- a/graphics/java/android/graphics/Canvas.java
+++ b/graphics/java/android/graphics/Canvas.java
@@ -1877,6 +1877,51 @@
     }
 
     /**
+     * Draws a double rounded rectangle using the specified paint. The resultant round rect
+     * will be filled in the area defined between the outer and inner rectangular bounds if
+     * the {@link Paint} configured with {@link Paint.Style#FILL}.
+     * Otherwise if {@link Paint.Style#STROKE} is used, then 2 rounded rect strokes will
+     * be drawn at the outer and inner rounded rectangles
+     *
+     * @param outer The outer rectangular bounds of the roundRect to be drawn
+     * @param outerRx The x-radius of the oval used to round the corners on the outer rectangle
+     * @param outerRy The y-radius of the oval used to round the corners on the outer rectangle
+     * @param inner The inner rectangular bounds of the roundRect to be drawn
+     * @param innerRx The x-radius of the oval used to round the corners on the inner rectangle
+     * @param innerRy The y-radius of the oval used to round the corners on the outer rectangle
+     * @param paint The paint used to draw the double roundRect
+     */
+    @Override
+    public void drawDoubleRoundRect(@NonNull RectF outer, float outerRx, float outerRy,
+            @NonNull RectF inner, float innerRx, float innerRy, @NonNull Paint paint) {
+        super.drawDoubleRoundRect(outer, outerRx, outerRy, inner, innerRx, innerRy, paint);
+    }
+
+    /**
+     * Draws a double rounded rectangle using the specified paint. The resultant round rect
+     * will be filled in the area defined between the outer and inner rectangular bounds if
+     * the {@link Paint} configured with {@link Paint.Style#FILL}.
+     * Otherwise if {@link Paint.Style#STROKE} is used, then 2 rounded rect strokes will
+     * be drawn at the outer and inner rounded rectangles
+     *
+     * @param outer The outer rectangular bounds of the roundRect to be drawn
+     * @param outerRadii Array of 8 float representing the x, y corner radii for top left,
+     *                   top right, bottom right, bottom left corners respectively on the outer
+     *                   rounded rectangle
+     *
+     * @param inner The inner rectangular bounds of the roundRect to be drawn
+     * @param innerRadii Array of 8 float representing the x, y corner radii for top left,
+     *                   top right, bottom right, bottom left corners respectively on the
+     *                   outer rounded rectangle
+     * @param paint The paint used to draw the double roundRect
+     */
+    @Override
+    public void drawDoubleRoundRect(@NonNull RectF outer, float[] outerRadii,
+            @NonNull RectF inner, float[] innerRadii, @NonNull Paint paint) {
+        super.drawDoubleRoundRect(outer, outerRadii, inner, innerRadii, paint);
+    }
+
+    /**
      * Draw the text, with origin at (x,y), using the specified paint. The origin is interpreted
      * based on the Align setting in the paint.
      *
diff --git a/libs/hwui/SkiaCanvas.cpp b/libs/hwui/SkiaCanvas.cpp
index 17f1a3b..2e5aef5 100644
--- a/libs/hwui/SkiaCanvas.cpp
+++ b/libs/hwui/SkiaCanvas.cpp
@@ -504,6 +504,11 @@
     mCanvas->drawRoundRect(rect, rx, ry, *filterPaint(paint));
 }
 
+void SkiaCanvas::drawDoubleRoundRect(const SkRRect& outer, const SkRRect& inner,
+                                const SkPaint& paint) {
+    mCanvas->drawDRRect(outer, inner, *filterPaint(paint));
+}
+
 void SkiaCanvas::drawCircle(float x, float y, float radius, const SkPaint& paint) {
     if (CC_UNLIKELY(radius <= 0 || paint.nothingToDraw())) return;
     mCanvas->drawCircle(x, y, radius, *filterPaint(paint));
diff --git a/libs/hwui/SkiaCanvas.h b/libs/hwui/SkiaCanvas.h
index 24b7ec6..3a877cf 100644
--- a/libs/hwui/SkiaCanvas.h
+++ b/libs/hwui/SkiaCanvas.h
@@ -107,6 +107,10 @@
     virtual void drawRegion(const SkRegion& region, const SkPaint& paint) override;
     virtual void drawRoundRect(float left, float top, float right, float bottom, float rx, float ry,
                                const SkPaint& paint) override;
+
+   virtual void drawDoubleRoundRect(const SkRRect& outer, const SkRRect& inner,
+                               const SkPaint& paint) override;
+
     virtual void drawCircle(float x, float y, float radius, const SkPaint& paint) override;
     virtual void drawOval(float left, float top, float right, float bottom,
                           const SkPaint& paint) override;
diff --git a/libs/hwui/hwui/Canvas.cpp b/libs/hwui/hwui/Canvas.cpp
index af7f013..e2ea2bc 100644
--- a/libs/hwui/hwui/Canvas.cpp
+++ b/libs/hwui/hwui/Canvas.cpp
@@ -178,6 +178,41 @@
     MinikinUtils::forFontRun(layout, &paint, f);
 }
 
+void Canvas::drawDoubleRoundRectXY(float outerLeft, float outerTop, float outerRight,
+                            float outerBottom, float outerRx, float outerRy, float innerLeft,
+                            float innerTop, float innerRight, float innerBottom, float innerRx,
+                            float innerRy, const SkPaint& paint) {
+    if (CC_UNLIKELY(paint.nothingToDraw())) return;
+    SkRect outer = SkRect::MakeLTRB(outerLeft, outerTop, outerRight, outerBottom);
+    SkRect inner = SkRect::MakeLTRB(innerLeft, innerTop, innerRight, innerBottom);
+
+    SkRRect outerRRect;
+    outerRRect.setRectXY(outer, outerRx, outerRy);
+
+    SkRRect innerRRect;
+    innerRRect.setRectXY(inner, innerRx, innerRy);
+    drawDoubleRoundRect(outerRRect, innerRRect, paint);
+}
+
+void Canvas::drawDoubleRoundRectRadii(float outerLeft, float outerTop, float outerRight,
+                            float outerBottom, const float* outerRadii, float innerLeft,
+                            float innerTop, float innerRight, float innerBottom,
+                            const float* innerRadii, const SkPaint& paint) {
+    static_assert(sizeof(SkVector) == sizeof(float) * 2);
+    if (CC_UNLIKELY(paint.nothingToDraw())) return;
+    SkRect outer = SkRect::MakeLTRB(outerLeft, outerTop, outerRight, outerBottom);
+    SkRect inner = SkRect::MakeLTRB(innerLeft, innerTop, innerRight, innerBottom);
+
+    SkRRect outerRRect;
+    const SkVector* outerSkVector = reinterpret_cast<const SkVector*>(outerRadii);
+    outerRRect.setRectRadii(outer, outerSkVector);
+
+    SkRRect innerRRect;
+    const SkVector* innerSkVector = reinterpret_cast<const SkVector*>(innerRadii);
+    innerRRect.setRectRadii(inner, innerSkVector);
+    drawDoubleRoundRect(outerRRect, innerRRect, paint);
+}
+
 class DrawTextOnPathFunctor {
 public:
     DrawTextOnPathFunctor(const minikin::Layout& layout, Canvas* canvas, float hOffset,
diff --git a/libs/hwui/hwui/Canvas.h b/libs/hwui/hwui/Canvas.h
index b9af7de2..e99742b 100644
--- a/libs/hwui/hwui/Canvas.h
+++ b/libs/hwui/hwui/Canvas.h
@@ -236,6 +236,8 @@
     virtual void drawRegion(const SkRegion& region, const SkPaint& paint) = 0;
     virtual void drawRoundRect(float left, float top, float right, float bottom, float rx, float ry,
                                const SkPaint& paint) = 0;
+    virtual void drawDoubleRoundRect(const SkRRect& outer, const SkRRect& inner,
+                                const SkPaint& paint) = 0;
     virtual void drawCircle(float x, float y, float radius, const SkPaint& paint) = 0;
     virtual void drawOval(float left, float top, float right, float bottom,
                           const SkPaint& paint) = 0;
@@ -284,6 +286,16 @@
                         const SkPath& path, float hOffset, float vOffset, const Paint& paint,
                         const Typeface* typeface);
 
+    void drawDoubleRoundRectXY(float outerLeft, float outerTop, float outerRight,
+                                float outerBottom, float outerRx, float outerRy, float innerLeft,
+                                float innerTop, float innerRight, float innerBottom, float innerRx,
+                                float innerRy, const SkPaint& paint);
+
+    void drawDoubleRoundRectRadii(float outerLeft, float outerTop, float outerRight,
+                                float outerBottom, const float* outerRadii, float innerLeft,
+                                float innerTop, float innerRight, float innerBottom,
+                                const float* innerRadii, const SkPaint& paint);
+
     static int GetApiLevel() { return sApiLevel; }
 
 protected: