1#include "jni.h" 2#include <android_runtime/AndroidRuntime.h> 3 4#include "SkCamera.h" 5 6static jfieldID gNativeInstanceFieldID; 7 8static void Camera_constructor(JNIEnv* env, jobject obj) { 9 Sk3DView* view = new Sk3DView; 10 env->SetIntField(obj, gNativeInstanceFieldID, (int)view); 11} 12 13static void Camera_destructor(JNIEnv* env, jobject obj) { 14 delete (Sk3DView*)env->GetIntField(obj, gNativeInstanceFieldID); 15} 16 17static void Camera_save(JNIEnv* env, jobject obj) { 18 Sk3DView* v = (Sk3DView*)env->GetIntField(obj, gNativeInstanceFieldID); 19 v->save(); 20} 21 22static void Camera_restore(JNIEnv* env, jobject obj) { 23 Sk3DView* v = (Sk3DView*)env->GetIntField(obj, gNativeInstanceFieldID); 24 v->restore(); 25} 26 27static void Camera_translate(JNIEnv* env, jobject obj, 28 float dx, float dy, float dz) { 29 Sk3DView* v = (Sk3DView*)env->GetIntField(obj, gNativeInstanceFieldID); 30 v->translate(SkFloatToScalar(dx), SkFloatToScalar(dy), SkFloatToScalar(dz)); 31} 32 33static void Camera_rotateX(JNIEnv* env, jobject obj, float degrees) { 34 Sk3DView* v = (Sk3DView*)env->GetIntField(obj, gNativeInstanceFieldID); 35 v->rotateX(SkFloatToScalar(degrees)); 36} 37 38static void Camera_rotateY(JNIEnv* env, jobject obj, float degrees) { 39 Sk3DView* v = (Sk3DView*)env->GetIntField(obj, gNativeInstanceFieldID); 40 v->rotateY(SkFloatToScalar(degrees)); 41} 42 43static void Camera_rotateZ(JNIEnv* env, jobject obj, float degrees) { 44 Sk3DView* v = (Sk3DView*)env->GetIntField(obj, gNativeInstanceFieldID); 45 v->rotateZ(SkFloatToScalar(degrees)); 46} 47 48static void Camera_rotate(JNIEnv* env, jobject obj, jfloat x, jfloat y, jfloat z) { 49 Sk3DView* v = (Sk3DView*)env->GetIntField(obj, gNativeInstanceFieldID); 50 v->rotateX(SkFloatToScalar(x)); 51 v->rotateY(SkFloatToScalar(y)); 52 v->rotateZ(SkFloatToScalar(z)); 53} 54 55static void Camera_setLocation(JNIEnv* env, jobject obj, jfloat x, jfloat y, jfloat z) { 56 Sk3DView* v = (Sk3DView*)env->GetIntField(obj, gNativeInstanceFieldID); 57 v->setCameraLocation(SkFloatToScalar(x), SkFloatToScalar(y), SkFloatToScalar(z)); 58} 59 60static jfloat Camera_getLocationX(JNIEnv* env, jobject obj) { 61 Sk3DView* v = (Sk3DView*)env->GetIntField(obj, gNativeInstanceFieldID); 62 return SkScalarToFloat(v->getCameraLocationX()); 63} 64 65static jfloat Camera_getLocationY(JNIEnv* env, jobject obj) { 66 Sk3DView* v = (Sk3DView*)env->GetIntField(obj, gNativeInstanceFieldID); 67 return SkScalarToFloat(v->getCameraLocationY()); 68} 69 70static jfloat Camera_getLocationZ(JNIEnv* env, jobject obj) { 71 Sk3DView* v = (Sk3DView*)env->GetIntField(obj, gNativeInstanceFieldID); 72 return SkScalarToFloat(v->getCameraLocationZ()); 73} 74 75static void Camera_getMatrix(JNIEnv* env, jobject obj, int native_matrix) { 76 Sk3DView* v = (Sk3DView*)env->GetIntField(obj, gNativeInstanceFieldID); 77 v->getMatrix((SkMatrix*)native_matrix); 78} 79 80static void Camera_applyToCanvas(JNIEnv* env, jobject obj, int native_canvas) { 81 Sk3DView* v = (Sk3DView*)env->GetIntField(obj, gNativeInstanceFieldID); 82 v->applyToCanvas((SkCanvas*)native_canvas); 83} 84 85static float Camera_dotWithNormal(JNIEnv* env, jobject obj, 86 float x, float y, float z) { 87 Sk3DView* v = (Sk3DView*)env->GetIntField(obj, gNativeInstanceFieldID); 88 SkScalar dot = v->dotWithNormal(SkFloatToScalar(x), SkFloatToScalar(y), 89 SkFloatToScalar(z)); 90 return SkScalarToFloat(dot); 91} 92 93// ---------------------------------------------------------------------------- 94 95/* 96 * JNI registration. 97 */ 98static JNINativeMethod gCameraMethods[] = { 99 /* name, signature, funcPtr */ 100 101 { "nativeConstructor", "()V", (void*)Camera_constructor }, 102 { "nativeDestructor", "()V", (void*)Camera_destructor }, 103 { "save", "()V", (void*)Camera_save }, 104 { "restore", "()V", (void*)Camera_restore }, 105 { "translate", "(FFF)V", (void*)Camera_translate }, 106 { "rotateX", "(F)V", (void*)Camera_rotateX }, 107 { "rotateY", "(F)V", (void*)Camera_rotateY }, 108 { "rotateZ", "(F)V", (void*)Camera_rotateZ }, 109 { "rotate", "(FFF)V", (void*)Camera_rotate }, 110 { "setLocation", "(FFF)V", (void*)Camera_setLocation }, 111 { "getLocationX", "()F", (void*)Camera_getLocationX }, 112 { "getLocationY", "()F", (void*)Camera_getLocationY }, 113 { "getLocationZ", "()F", (void*)Camera_getLocationZ }, 114 { "nativeGetMatrix", "(I)V", (void*)Camera_getMatrix }, 115 { "nativeApplyToCanvas", "(I)V", (void*)Camera_applyToCanvas }, 116 { "dotWithNormal", "(FFF)F", (void*)Camera_dotWithNormal } 117}; 118 119int register_android_graphics_Camera(JNIEnv* env) { 120 jclass clazz = env->FindClass("android/graphics/Camera"); 121 if (clazz == 0) { 122 return -1; 123 } 124 gNativeInstanceFieldID = env->GetFieldID(clazz, "native_instance", "I"); 125 if (gNativeInstanceFieldID == 0) { 126 return -1; 127 } 128 return android::AndroidRuntime::registerNativeMethods(env, 129 "android/graphics/Camera", 130 gCameraMethods, 131 SK_ARRAY_COUNT(gCameraMethods)); 132} 133