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android/filament-android/src/main/cpp/Camera.cpp

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+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <jni.h>
+
+#include <filament/Camera.h>
+
+using namespace filament;
+
+extern "C" JNIEXPORT void JNICALL
+Java_com_google_android_filament_Camera_nSetProjection(JNIEnv*, jclass, jlong nativeCamera,
+        jint projection, jdouble left, jdouble right, jdouble bottom, jdouble top, jdouble near,
+        jdouble far) {
+    Camera *camera = (Camera *) nativeCamera;
+    camera->setProjection((Camera::Projection) projection, left, right, bottom, top, near, far);
+}
+
+extern "C" JNIEXPORT void JNICALL
+Java_com_google_android_filament_Camera_nSetProjectionFov(JNIEnv*, jclass ,
+        jlong nativeCamera, jdouble fovInDegrees, jdouble aspect, jdouble near, jdouble far,
+        jint fov) {
+    Camera *camera = (Camera *) nativeCamera;
+    camera->setProjection(fovInDegrees, aspect, near, far, (Camera::Fov) fov);
+}
+
+extern "C" JNIEXPORT void JNICALL
+Java_com_google_android_filament_Camera_nSetLensProjection(JNIEnv*, jclass,
+        jlong nativeCamera, jdouble focalLength, jdouble near, jdouble far) {
+    Camera *camera = (Camera *) nativeCamera;
+    camera->setLensProjection(focalLength, near, far);
+}
+
+extern "C" JNIEXPORT void JNICALL
+Java_com_google_android_filament_Camera_nSetCustomProjection(JNIEnv *env, jclass,
+        jlong nativeCamera, jdoubleArray inMatrix_, jdouble near, jdouble far) {
+    Camera *camera = (Camera *) nativeCamera;
+    jdouble *inMatrix = env->GetDoubleArrayElements(inMatrix_, NULL);
+    camera->setCustomProjection(*reinterpret_cast<const math::mat4 *>(inMatrix), near, far);
+    env->ReleaseDoubleArrayElements(inMatrix_, inMatrix, JNI_ABORT);
+}
+
+extern "C" JNIEXPORT void JNICALL
+Java_com_google_android_filament_Camera_nLookAt(JNIEnv*, jclass, jlong nativeCamera,
+        jdouble eye_x, jdouble eye_y, jdouble eye_z, jdouble center_x, jdouble center_y,
+        jdouble center_z, jdouble up_x, jdouble up_y, jdouble up_z) {
+    Camera *camera = (Camera *) nativeCamera;
+    camera->lookAt({eye_x, eye_y, eye_z}, {center_x, center_y, center_z}, {up_x, up_y, up_z});
+}
+
+extern "C" JNIEXPORT jfloat JNICALL
+Java_com_google_android_filament_Camera_nGetNear(JNIEnv*, jclass, jlong nativeCamera) {
+    Camera *camera = (Camera *) nativeCamera;
+    return camera->getNear();
+}
+
+extern "C" JNIEXPORT jfloat JNICALL
+Java_com_google_android_filament_Camera_nGetCullingFar(JNIEnv*, jclass,
+        jlong nativeCamera) {
+    Camera *camera = (Camera *) nativeCamera;
+    return camera->getCullingFar();
+}
+
+extern "C" JNIEXPORT void JNICALL
+Java_com_google_android_filament_Camera_nSetModelMatrix(JNIEnv *env, jclass,
+        jlong nativeCamera, jfloatArray in_) {
+    Camera* camera = (Camera *) nativeCamera;
+    jfloat *in = env->GetFloatArrayElements(in_, NULL);
+    camera->setModelMatrix(*reinterpret_cast<const math::mat4f*>(in));
+    env->ReleaseFloatArrayElements(in_, in, JNI_ABORT);
+}
+
+extern "C" JNIEXPORT void JNICALL
+Java_com_google_android_filament_Camera_nGetProjectionMatrix(JNIEnv *env, jclass,
+        jlong nativeCamera, jdoubleArray out_) {
+    Camera *camera = (Camera *) nativeCamera;
+    jdouble *out = env->GetDoubleArrayElements(out_, NULL);
+    const math::mat4& m = camera->getProjectionMatrix();
+    std::copy_n(&m[0][0], 16, out);
+    env->ReleaseDoubleArrayElements(out_, out, 0);
+}
+
+extern "C" JNIEXPORT void JNICALL
+Java_com_google_android_filament_Camera_nGetModelMatrix(JNIEnv *env, jclass,
+        jlong nativeCamera, jfloatArray out_) {
+    Camera *camera = (Camera *) nativeCamera;
+    jfloat *out = env->GetFloatArrayElements(out_, NULL);
+    const math::mat4f& m = camera->getModelMatrix();
+    std::copy_n(&m[0][0], 16, out);
+    env->ReleaseFloatArrayElements(out_, out, 0);
+}
+
+extern "C" JNIEXPORT void JNICALL
+Java_com_google_android_filament_Camera_nGetViewMatrix(JNIEnv *env, jclass, jlong nativeCamera,
+        jfloatArray out_) {
+    Camera *camera = (Camera *) nativeCamera;
+    jfloat *out = env->GetFloatArrayElements(out_, NULL);
+    const math::mat4f& m = camera->getViewMatrix();
+    std::copy_n(&m[0][0], 16, out);
+    env->ReleaseFloatArrayElements(out_, out, 0);
+}
+
+extern "C" JNIEXPORT void JNICALL
+Java_com_google_android_filament_Camera_nGetPosition(JNIEnv *env, jclass, jlong nativeCamera,
+        jfloatArray out_) {
+    Camera *camera = (Camera *) nativeCamera;
+    jfloat *out = env->GetFloatArrayElements(out_, NULL);
+    reinterpret_cast<math::float3&>(*out) = camera->getPosition();
+    env->ReleaseFloatArrayElements(out_, out, 0);
+}
+
+extern "C" JNIEXPORT void JNICALL
+Java_com_google_android_filament_Camera_nGetLeftVector(JNIEnv *env, jclass, jlong nativeCamera,
+        jfloatArray out_) {
+    Camera *camera = (Camera *) nativeCamera;
+    jfloat *out = env->GetFloatArrayElements(out_, NULL);
+    reinterpret_cast<math::float3&>(*out) = camera->getLeftVector();
+    env->ReleaseFloatArrayElements(out_, out, 0);
+}
+
+extern "C" JNIEXPORT void JNICALL
+Java_com_google_android_filament_Camera_nGetUpVector(JNIEnv *env, jclass, jlong nativeCamera,
+        jfloatArray out_) {
+    Camera *camera = (Camera *) nativeCamera;
+    jfloat *out = env->GetFloatArrayElements(out_, NULL);
+    reinterpret_cast<math::float3&>(*out) = camera->getUpVector();
+    env->ReleaseFloatArrayElements(out_, out, 0);
+}
+
+extern "C" JNIEXPORT void JNICALL
+Java_com_google_android_filament_Camera_nGetForwardVector(JNIEnv *env, jclass,
+        jlong nativeCamera, jfloatArray out_) {
+    Camera *camera = (Camera *) nativeCamera;
+    jfloat *out = env->GetFloatArrayElements(out_, NULL);
+    reinterpret_cast<math::float3&>(*out) = camera->getForwardVector();
+    env->ReleaseFloatArrayElements(out_, out, 0);
+}
+
+extern "C" JNIEXPORT void JNICALL
+Java_com_google_android_filament_Camera_nSetExposure(JNIEnv*, jclass , jlong nativeCamera,
+        jfloat aperture, jfloat shutterSpeed, jfloat sensitivity) {
+    Camera *camera = (Camera *) nativeCamera;
+    camera->setExposure(aperture, shutterSpeed, sensitivity);
+}
+
+extern "C" JNIEXPORT jfloat JNICALL
+Java_com_google_android_filament_Camera_nGetAperture(JNIEnv*, jclass, jlong nativeCamera) {
+    Camera *camera = (Camera *) nativeCamera;
+    return camera->getAperture();
+}
+
+extern "C" JNIEXPORT jfloat JNICALL
+Java_com_google_android_filament_Camera_nGetShutterSpeed(JNIEnv*, jclass,
+        jlong nativeCamera) {
+    Camera *camera = (Camera *) nativeCamera;
+    return camera->getShutterSpeed();
+}
+
+extern "C" JNIEXPORT jfloat JNICALL
+Java_com_google_android_filament_Camera_nGetSensitivity(JNIEnv*, jclass,
+        jlong nativeCamera) {
+    Camera *camera = (Camera *) nativeCamera;
+    return camera->getSensitivity();
+}