103 lines
3.8 KiB
C++
103 lines
3.8 KiB
C++
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#include "jni.h"
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#include <android_runtime/AndroidRuntime.h>
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#include "SkCamera.h"
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static jfieldID gNativeInstanceFieldID;
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static void Camera_constructor(JNIEnv* env, jobject obj) {
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Sk3DView* view = new Sk3DView;
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env->SetIntField(obj, gNativeInstanceFieldID, (int)view);
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}
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static void Camera_destructor(JNIEnv* env, jobject obj) {
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delete (Sk3DView*)env->GetIntField(obj, gNativeInstanceFieldID);
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}
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static void Camera_save(JNIEnv* env, jobject obj) {
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Sk3DView* v = (Sk3DView*)env->GetIntField(obj, gNativeInstanceFieldID);
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v->save();
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}
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static void Camera_restore(JNIEnv* env, jobject obj) {
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Sk3DView* v = (Sk3DView*)env->GetIntField(obj, gNativeInstanceFieldID);
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v->restore();
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}
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static void Camera_translate(JNIEnv* env, jobject obj,
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float dx, float dy, float dz) {
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Sk3DView* v = (Sk3DView*)env->GetIntField(obj, gNativeInstanceFieldID);
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v->translate(SkFloatToScalar(dx), SkFloatToScalar(dy), SkFloatToScalar(dz));
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}
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static void Camera_rotateX(JNIEnv* env, jobject obj, float degrees) {
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Sk3DView* v = (Sk3DView*)env->GetIntField(obj, gNativeInstanceFieldID);
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v->rotateX(SkFloatToScalar(degrees));
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}
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static void Camera_rotateY(JNIEnv* env, jobject obj, float degrees) {
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Sk3DView* v = (Sk3DView*)env->GetIntField(obj, gNativeInstanceFieldID);
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v->rotateY(SkFloatToScalar(degrees));
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}
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static void Camera_rotateZ(JNIEnv* env, jobject obj, float degrees) {
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Sk3DView* v = (Sk3DView*)env->GetIntField(obj, gNativeInstanceFieldID);
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v->rotateZ(SkFloatToScalar(degrees));
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}
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static void Camera_getMatrix(JNIEnv* env, jobject obj, int native_matrix) {
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Sk3DView* v = (Sk3DView*)env->GetIntField(obj, gNativeInstanceFieldID);
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v->getMatrix((SkMatrix*)native_matrix);
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}
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static void Camera_applyToCanvas(JNIEnv* env, jobject obj, int native_canvas) {
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Sk3DView* v = (Sk3DView*)env->GetIntField(obj, gNativeInstanceFieldID);
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v->applyToCanvas((SkCanvas*)native_canvas);
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}
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static float Camera_dotWithNormal(JNIEnv* env, jobject obj,
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float x, float y, float z) {
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Sk3DView* v = (Sk3DView*)env->GetIntField(obj, gNativeInstanceFieldID);
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SkScalar dot = v->dotWithNormal(SkFloatToScalar(x), SkFloatToScalar(y),
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SkFloatToScalar(z));
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return SkScalarToFloat(dot);
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}
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// ----------------------------------------------------------------------------
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/*
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* JNI registration.
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*/
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static JNINativeMethod gCameraMethods[] = {
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/* name, signature, funcPtr */
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{ "nativeConstructor", "()V", (void*)Camera_constructor },
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{ "nativeDestructor", "()V", (void*)Camera_destructor },
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{ "save", "()V", (void*)Camera_save },
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{ "restore", "()V", (void*)Camera_restore },
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{ "translate", "(FFF)V", (void*)Camera_translate },
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{ "rotateX", "(F)V", (void*)Camera_rotateX },
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{ "rotateY", "(F)V", (void*)Camera_rotateY },
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{ "rotateZ", "(F)V", (void*)Camera_rotateZ },
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{ "nativeGetMatrix", "(I)V", (void*)Camera_getMatrix },
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{ "nativeApplyToCanvas", "(I)V", (void*)Camera_applyToCanvas },
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{ "dotWithNormal", "(FFF)F", (void*)Camera_dotWithNormal }
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};
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int register_android_graphics_Camera(JNIEnv* env);
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int register_android_graphics_Camera(JNIEnv* env) {
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jclass clazz = env->FindClass("android/graphics/Camera");
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if (clazz == 0) {
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return -1;
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}
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gNativeInstanceFieldID = env->GetFieldID(clazz, "native_instance", "I");
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if (gNativeInstanceFieldID == 0) {
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return -1;
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}
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return android::AndroidRuntime::registerNativeMethods(env,
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"android/graphics/Camera",
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gCameraMethods,
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SK_ARRAY_COUNT(gCameraMethods));
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}
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