JNIEXPORT void JNICALL
Java_org_ebookdroid_common_bitmaps_RawBitmap_nativeHq3x(JNIEnv* env, jclass classObject, jintArray srcArray,
jintArray dstArray, jint width, jint height)
{
jint* src;
jint* dst;
src = (*env)->GetIntArrayElements(env, srcArray, 0);
dst = (*env)->GetIntArrayElements(env, dstArray, 0);
hq3x_32(src, dst, width, height);
(*env)->ReleaseIntArrayElements(env, srcArray, src, 0);
(*env)->ReleaseIntArrayElements(env, dstArray, dst, 0);
}
bool Image::scaleHq3x(void)
{
if (_pixels.size() == 0)
{
return false;
}
int newWidth = _width * 3;
int newHeight = _height * 3;
std::vector<Color> newPixels(newWidth * newHeight);
hq3x_32((uint32_t*)&_pixels.front(), (uint32_t*)&newPixels.front(), _width, _height);
_pixels.resize(newWidth * newHeight);
std::copy(newPixels.begin(), newPixels.end(), _pixels.begin());
_width = newWidth;
_height = newHeight;
return true;
}