Function lockJavaBitmap

jni/platform/jni_bridge.cpp:64–86

#ifdef ANDROID
uint32_t* lockJavaBitmap(JNIEnv* env, jobject bitmap, AndroidBitmapInfo& info)
{
	// https://developer.android.com/ndk/reference/group___bitmap.html
	int ret = AndroidBitmap_getInfo(env, bitmap, &info);
	if(ret < 0)
	{
		LOGE("AndroidBitmap_getInfo() failed ! error = %d", ret);
		return nullptr;
	}

//	LOGD("width:%d height:%d stride:%d", info.width, info.height, info.stride);
	assert(info.format == ANDROID_BITMAP_FORMAT_RGBA_8888);

	uint32_t* pixels;
	ret = AndroidBitmap_lockPixels(env, bitmap, reinterpret_cast<void**>(&pixels));
	if(ret < 0)
	{
		LOGE("AndroidBitmap_lockPixels() failed ! error=%d", ret);
		return nullptr;
	}

	return pixels;
}

void unlockJavaBitmap(JNIEnv* env, jobject bitmap)
{