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#include "jni.h"
#include "core_jni_helpers.h"
#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) {
SkCanvas* canvas = reinterpret_cast<android::Canvas*>(canvasHandle)->asSkCanvas();
jlong viewHandle = env->GetLongField(obj, gNativeInstanceFieldID);
Sk3DView* v = reinterpret_cast<Sk3DView*>(viewHandle);
v->applyToCanvas(canvas);
}
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));
}
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