1 files changed, 117 insertions, 0 deletions
diff --git a/libs/hwui/jni/PathEffect.cpp b/libs/hwui/jni/PathEffect.cpp
new file mode 100644
index 000000000000..f99bef7b7d58
--- /dev/null
+++ b/libs/hwui/jni/PathEffect.cpp
@@ -0,0 +1,117 @@
+#include "GraphicsJNI.h"
+#include "Sk1DPathEffect.h"
+#include "SkCornerPathEffect.h"
+#include "SkDashPathEffect.h"
+#include "SkDiscretePathEffect.h"
+#include "SkPathEffect.h"
+
+class SkPathEffectGlue {
+public:
+
+    static void destructor(JNIEnv* env, jobject, jlong effectHandle) {
+        SkPathEffect* effect = reinterpret_cast<SkPathEffect*>(effectHandle);
+        SkSafeUnref(effect);
+    }
+
+    static jlong Compose_constructor(JNIEnv* env, jobject,
+                                     jlong outerHandle, jlong innerHandle) {
+        SkPathEffect* outer = reinterpret_cast<SkPathEffect*>(outerHandle);
+        SkPathEffect* inner = reinterpret_cast<SkPathEffect*>(innerHandle);
+        SkPathEffect* effect = SkPathEffect::MakeCompose(sk_ref_sp(outer),
+                sk_ref_sp(inner)).release();
+        return reinterpret_cast<jlong>(effect);
+    }
+
+    static jlong Sum_constructor(JNIEnv* env, jobject,
+                                 jlong firstHandle, jlong secondHandle) {
+        SkPathEffect* first = reinterpret_cast<SkPathEffect*>(firstHandle);
+        SkPathEffect* second = reinterpret_cast<SkPathEffect*>(secondHandle);
+        SkPathEffect* effect = SkPathEffect::MakeSum(sk_ref_sp(first),
+                sk_ref_sp(second)).release();
+        return reinterpret_cast<jlong>(effect);
+    }
+
+    static jlong Dash_constructor(JNIEnv* env, jobject,
+                                      jfloatArray intervalArray, jfloat phase) {
+        AutoJavaFloatArray autoInterval(env, intervalArray);
+        int         count = autoInterval.length() & ~1;  // even number
+#ifdef SK_SCALAR_IS_FLOAT
+        SkScalar*   intervals = autoInterval.ptr();
+#else
+        #error Need to convert float array to SkScalar array before calling the following function.
+#endif
+        SkPathEffect* effect = SkDashPathEffect::Make(intervals, count, phase).release();
+        return reinterpret_cast<jlong>(effect);
+    }
+
+    static jlong OneD_constructor(JNIEnv* env, jobject,
+                  jlong shapeHandle, jfloat advance, jfloat phase, jint style) {
+        const SkPath* shape = reinterpret_cast<SkPath*>(shapeHandle);
+        SkASSERT(shape != NULL);
+        SkPathEffect* effect = SkPath1DPathEffect::Make(*shape, advance, phase,
+                (SkPath1DPathEffect::Style)style).release();
+        return reinterpret_cast<jlong>(effect);
+    }
+
+    static jlong Corner_constructor(JNIEnv* env, jobject, jfloat radius){
+        SkPathEffect* effect = SkCornerPathEffect::Make(radius).release();
+        return reinterpret_cast<jlong>(effect);
+    }
+
+    static jlong Discrete_constructor(JNIEnv* env, jobject,
+                                      jfloat length, jfloat deviation) {
+        SkPathEffect* effect = SkDiscretePathEffect::Make(length, deviation).release();
+        return reinterpret_cast<jlong>(effect);
+    }
+
+};
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+static const JNINativeMethod gPathEffectMethods[] = {
+    { "nativeDestructor", "(J)V", (void*)SkPathEffectGlue::destructor }
+};
+
+static const JNINativeMethod gComposePathEffectMethods[] = {
+    { "nativeCreate", "(JJ)J", (void*)SkPathEffectGlue::Compose_constructor }
+};
+
+static const JNINativeMethod gSumPathEffectMethods[] = {
+    { "nativeCreate", "(JJ)J", (void*)SkPathEffectGlue::Sum_constructor }
+};
+
+static const JNINativeMethod gDashPathEffectMethods[] = {
+    { "nativeCreate", "([FF)J", (void*)SkPathEffectGlue::Dash_constructor }
+};
+
+static const JNINativeMethod gPathDashPathEffectMethods[] = {
+    { "nativeCreate", "(JFFI)J", (void*)SkPathEffectGlue::OneD_constructor }
+};
+
+static const JNINativeMethod gCornerPathEffectMethods[] = {
+    { "nativeCreate", "(F)J", (void*)SkPathEffectGlue::Corner_constructor }
+};
+
+static const JNINativeMethod gDiscretePathEffectMethods[] = {
+    { "nativeCreate", "(FF)J", (void*)SkPathEffectGlue::Discrete_constructor }
+};
+
+int register_android_graphics_PathEffect(JNIEnv* env)
+{
+    android::RegisterMethodsOrDie(env, "android/graphics/PathEffect", gPathEffectMethods,
+                         NELEM(gPathEffectMethods));
+    android::RegisterMethodsOrDie(env, "android/graphics/ComposePathEffect",
+                                  gComposePathEffectMethods, NELEM(gComposePathEffectMethods));
+    android::RegisterMethodsOrDie(env, "android/graphics/SumPathEffect", gSumPathEffectMethods,
+                                  NELEM(gSumPathEffectMethods));
+    android::RegisterMethodsOrDie(env, "android/graphics/DashPathEffect", gDashPathEffectMethods,
+                                  NELEM(gDashPathEffectMethods));
+    android::RegisterMethodsOrDie(env, "android/graphics/PathDashPathEffect",
+                                  gPathDashPathEffectMethods, NELEM(gPathDashPathEffectMethods));
+    android::RegisterMethodsOrDie(env, "android/graphics/CornerPathEffect",
+                                  gCornerPathEffectMethods, NELEM(gCornerPathEffectMethods));
+    android::RegisterMethodsOrDie(env, "android/graphics/DiscretePathEffect",
+                                  gDiscretePathEffectMethods, NELEM(gDiscretePathEffectMethods));
+
+    return 0;
+}