1 files changed, 143 insertions, 0 deletions
diff --git a/libs/hwui/jni/Camera.cpp b/libs/hwui/jni/Camera.cpp
new file mode 100644
index 000000000000..a5e1adf26861
--- /dev/null
+++ b/libs/hwui/jni/Camera.cpp
@@ -0,0 +1,143 @@
+#include "SkCamera.h"
+
+#include "GraphicsJNI.h"
+#include <hwui/Canvas.h>
+
+static jfieldID gNativeInstanceFieldID;
+
+static void Camera_constructor(JNIEnv* env, jobject obj) {
+    Sk3DView* view = new Sk3DView;
+    env->SetLongField(obj, gNativeInstanceFieldID, reinterpret_cast<jlong>(view));
+}
+
+static void Camera_destructor(JNIEnv* env, jobject obj) {
+    jlong viewHandle = env->GetLongField(obj, gNativeInstanceFieldID);
+    Sk3DView* view = reinterpret_cast<Sk3DView*>(viewHandle);
+    delete view;
+}
+
+static void Camera_save(JNIEnv* env, jobject obj) {
+    jlong viewHandle = env->GetLongField(obj, gNativeInstanceFieldID);
+    Sk3DView* v = reinterpret_cast<Sk3DView*>(viewHandle);
+    v->save();
+}
+
+static void Camera_restore(JNIEnv* env, jobject obj) {
+    jlong viewHandle = env->GetLongField(obj, gNativeInstanceFieldID);
+    Sk3DView* v = reinterpret_cast<Sk3DView*>(viewHandle);
+    v->restore();
+}
+
+static void Camera_translate(JNIEnv* env, jobject obj,
+                             jfloat dx, jfloat dy, jfloat dz) {
+    jlong viewHandle = env->GetLongField(obj, gNativeInstanceFieldID);
+    Sk3DView* v = reinterpret_cast<Sk3DView*>(viewHandle);
+    v->translate(dx, dy, dz);
+}
+
+static void Camera_rotateX(JNIEnv* env, jobject obj, jfloat degrees) {
+    jlong viewHandle = env->GetLongField(obj, gNativeInstanceFieldID);
+    Sk3DView* v = reinterpret_cast<Sk3DView*>(viewHandle);
+    v->rotateX(degrees);
+}
+
+static void Camera_rotateY(JNIEnv* env, jobject obj, jfloat degrees) {
+    jlong viewHandle = env->GetLongField(obj, gNativeInstanceFieldID);
+    Sk3DView* v = reinterpret_cast<Sk3DView*>(viewHandle);
+    v->rotateY(degrees);
+}
+
+static void Camera_rotateZ(JNIEnv* env, jobject obj, jfloat degrees) {
+    jlong viewHandle = env->GetLongField(obj, gNativeInstanceFieldID);
+    Sk3DView* v = reinterpret_cast<Sk3DView*>(viewHandle);
+    v->rotateZ(degrees);
+}
+
+static void Camera_rotate(JNIEnv* env, jobject obj, jfloat x, jfloat y, jfloat z) {
+    jlong viewHandle = env->GetLongField(obj, gNativeInstanceFieldID);
+    Sk3DView* v = reinterpret_cast<Sk3DView*>(viewHandle);
+    v->rotateX(x);
+    v->rotateY(y);
+    v->rotateZ(z);
+}
+
+static void Camera_setLocation(JNIEnv* env, jobject obj, jfloat x, jfloat y, jfloat z) {
+    jlong viewHandle = env->GetLongField(obj, gNativeInstanceFieldID);
+    Sk3DView* v = reinterpret_cast<Sk3DView*>(viewHandle);
+    v->setCameraLocation(x, y, z);
+}
+
+static jfloat Camera_getLocationX(JNIEnv* env, jobject obj) {
+    jlong viewHandle = env->GetLongField(obj, gNativeInstanceFieldID);
+    Sk3DView* v = reinterpret_cast<Sk3DView*>(viewHandle);
+    return SkScalarToFloat(v->getCameraLocationX());
+}
+
+static jfloat Camera_getLocationY(JNIEnv* env, jobject obj) {
+    jlong viewHandle = env->GetLongField(obj, gNativeInstanceFieldID);
+    Sk3DView* v = reinterpret_cast<Sk3DView*>(viewHandle);
+    return SkScalarToFloat(v->getCameraLocationY());
+}
+
+static jfloat Camera_getLocationZ(JNIEnv* env, jobject obj) {
+    jlong viewHandle = env->GetLongField(obj, gNativeInstanceFieldID);
+    Sk3DView* v = reinterpret_cast<Sk3DView*>(viewHandle);
+    return SkScalarToFloat(v->getCameraLocationZ());
+}
+
+static void Camera_getMatrix(JNIEnv* env, jobject obj, jlong matrixHandle) {
+    SkMatrix* native_matrix =  reinterpret_cast<SkMatrix*>(matrixHandle);
+    jlong viewHandle = env->GetLongField(obj, gNativeInstanceFieldID);
+    Sk3DView* v = reinterpret_cast<Sk3DView*>(viewHandle);
+    v->getMatrix(native_matrix);
+}
+
+static void Camera_applyToCanvas(JNIEnv* env, jobject obj, jlong canvasHandle) {
+    android::Canvas* canvas = reinterpret_cast<android::Canvas*>(canvasHandle);
+    jlong viewHandle = env->GetLongField(obj, gNativeInstanceFieldID);
+    Sk3DView* v = reinterpret_cast<Sk3DView*>(viewHandle);
+    SkMatrix matrix;
+    v->getMatrix(&matrix);
+    canvas->concat(matrix);
+}
+
+static jfloat Camera_dotWithNormal(JNIEnv* env, jobject obj,
+                                  jfloat x, jfloat y, jfloat z) {
+    jlong viewHandle = env->GetLongField(obj, gNativeInstanceFieldID);
+    Sk3DView* v = reinterpret_cast<Sk3DView*>(viewHandle);
+    SkScalar dot = v->dotWithNormal(x, y, z);
+    return SkScalarToFloat(dot);
+}
+
+// ----------------------------------------------------------------------------
+
+/*
+ * JNI registration.
+ */
+static const JNINativeMethod gCameraMethods[] = {
+    /* name, signature, funcPtr */
+
+    { "nativeConstructor",   "()V",    (void*)Camera_constructor   },
+    { "nativeDestructor",    "()V",    (void*)Camera_destructor    },
+    { "save",                "()V",    (void*)Camera_save          },
+    { "restore",             "()V",    (void*)Camera_restore       },
+    { "translate",           "(FFF)V", (void*)Camera_translate     },
+    { "rotateX",             "(F)V",   (void*)Camera_rotateX       },
+    { "rotateY",             "(F)V",   (void*)Camera_rotateY       },
+    { "rotateZ",             "(F)V",   (void*)Camera_rotateZ       },
+    { "rotate",              "(FFF)V", (void*)Camera_rotate        },
+    { "setLocation",         "(FFF)V", (void*)Camera_setLocation   },
+    { "getLocationX",        "()F",    (void*)Camera_getLocationX  },
+    { "getLocationY",        "()F",    (void*)Camera_getLocationY  },
+    { "getLocationZ",        "()F",    (void*)Camera_getLocationZ  },
+    { "nativeGetMatrix",     "(J)V",   (void*)Camera_getMatrix     },
+    { "nativeApplyToCanvas", "(J)V",   (void*)Camera_applyToCanvas },
+    { "dotWithNormal",       "(FFF)F", (void*)Camera_dotWithNormal }
+};
+
+int register_android_graphics_Camera(JNIEnv* env) {
+    jclass clazz = android::FindClassOrDie(env, "android/graphics/Camera");
+    gNativeInstanceFieldID = android::GetFieldIDOrDie(env, clazz, "native_instance", "J");
+    return android::RegisterMethodsOrDie(env, "android/graphics/Camera", gCameraMethods,
+                                         NELEM(gCameraMethods));
+}