Initial Contribution

1 files changed, 102 insertions, 0 deletions

diff --git a/core/jni/android/graphics/Camera.cpp b/core/jni/android/graphics/Camera.cpp
new file mode 100644
index 0000000..980003e
--- /dev/null
+++ b/core/jni/android/graphics/Camera.cpp
@@ -0,0 +1,102 @@
+#include "jni.h"
+#include <android_runtime/AndroidRuntime.h>
+
+#include "SkCamera.h"
+
+static jfieldID gNativeInstanceFieldID;
+
+static void Camera_constructor(JNIEnv* env, jobject obj) {
+    Sk3DView* view = new Sk3DView;
+    env->SetIntField(obj, gNativeInstanceFieldID, (int)view);
+}
+
+static void Camera_destructor(JNIEnv* env, jobject obj) {
+    delete (Sk3DView*)env->GetIntField(obj, gNativeInstanceFieldID);
+}
+
+static void Camera_save(JNIEnv* env, jobject obj) {
+    Sk3DView* v = (Sk3DView*)env->GetIntField(obj, gNativeInstanceFieldID);
+    v->save();
+}
+
+static void Camera_restore(JNIEnv* env, jobject obj) {
+    Sk3DView* v = (Sk3DView*)env->GetIntField(obj, gNativeInstanceFieldID);
+    v->restore();
+}
+
+static void Camera_translate(JNIEnv* env, jobject obj,
+                             float dx, float dy, float dz) {
+    Sk3DView* v = (Sk3DView*)env->GetIntField(obj, gNativeInstanceFieldID);
+    v->translate(SkFloatToScalar(dx), SkFloatToScalar(dy), SkFloatToScalar(dz));
+}
+
+static void Camera_rotateX(JNIEnv* env, jobject obj, float degrees) {
+    Sk3DView* v = (Sk3DView*)env->GetIntField(obj, gNativeInstanceFieldID);
+    v->rotateX(SkFloatToScalar(degrees));
+}
+
+static void Camera_rotateY(JNIEnv* env, jobject obj, float degrees) {
+    Sk3DView* v = (Sk3DView*)env->GetIntField(obj, gNativeInstanceFieldID);
+    v->rotateY(SkFloatToScalar(degrees));
+}
+
+static void Camera_rotateZ(JNIEnv* env, jobject obj, float degrees) {
+    Sk3DView* v = (Sk3DView*)env->GetIntField(obj, gNativeInstanceFieldID);
+    v->rotateZ(SkFloatToScalar(degrees));
+}
+
+static void Camera_getMatrix(JNIEnv* env, jobject obj, int native_matrix) {
+    Sk3DView* v = (Sk3DView*)env->GetIntField(obj, gNativeInstanceFieldID);
+    v->getMatrix((SkMatrix*)native_matrix);
+}
+
+static void Camera_applyToCanvas(JNIEnv* env, jobject obj, int native_canvas) {
+    Sk3DView* v = (Sk3DView*)env->GetIntField(obj, gNativeInstanceFieldID);
+    v->applyToCanvas((SkCanvas*)native_canvas);
+}
+
+static float Camera_dotWithNormal(JNIEnv* env, jobject obj,
+                                  float x, float y, float z) {
+    Sk3DView* v = (Sk3DView*)env->GetIntField(obj, gNativeInstanceFieldID);
+    SkScalar dot = v->dotWithNormal(SkFloatToScalar(x), SkFloatToScalar(y),
+                                    SkFloatToScalar(z));
+    return SkScalarToFloat(dot);
+}
+
+// ----------------------------------------------------------------------------
+
+/*
+ * JNI registration.
+ */
+static 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       },
+    { "nativeGetMatrix",     "(I)V",   (void*)Camera_getMatrix     },
+    { "nativeApplyToCanvas", "(I)V",   (void*)Camera_applyToCanvas },
+    { "dotWithNormal",       "(FFF)F", (void*)Camera_dotWithNormal }
+};
+
+int register_android_graphics_Camera(JNIEnv* env);
+int register_android_graphics_Camera(JNIEnv* env) {
+    jclass clazz = env->FindClass("android/graphics/Camera");
+    if (clazz == 0) {
+        return -1;
+    }
+    gNativeInstanceFieldID = env->GetFieldID(clazz, "native_instance", "I");
+    if (gNativeInstanceFieldID == 0) {
+        return -1;
+    }
+    return android::AndroidRuntime::registerNativeMethods(env,
+                                               "android/graphics/Camera",
+                                               gCameraMethods,
+                                               SK_ARRAY_COUNT(gCameraMethods));
+}
+