/**
* \copydoc PixelFilter::filter
*/
void Hq4xFilter::filter(
const uint32_t* src,
int src_width,
int src_height,
uint32_t* dst) const {
hq4x_32(const_cast<uint32_t*>(src), dst, src_width, src_height);
}
JNIEXPORT void JNICALL
Java_org_ebookdroid_common_bitmaps_RawBitmap_nativeHq4x(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);
hq4x_32(src, dst, width, height);
(*env)->ReleaseIntArrayElements(env, srcArray, src, 0);
(*env)->ReleaseIntArrayElements(env, dstArray, dst, 0);
}
bool Image::scaleHq4x(void)
{
if (_pixels.size() == 0)
{
return false;
}
int newWidth = _width * 4;
int newHeight = _height * 4;
std::vector<Color> newPixels(newWidth * newHeight);
hq4x_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;
}
void SDL::render()
{
SDL_FillRect(Gfx::getCanvas(), nullptr, 0x00000000);
gvm->draw();
#ifndef HQXFILTER
SDL_Surface *canvas = Gfx::getCanvas();
SDL_UpdateTexture(screen, nullptr, canvas->pixels, canvas->pitch);
#else
SDL_Surface *canvas = Gfx::getCanvas();
//Gfx::lock(canvas);
//Gfx::lock(filter);
hq4x_32(static_cast<u32*>(canvas->pixels), static_cast<u32*>(filter->pixels), WIDTH, HEIGHT);
//Gfx::unlock(canvas);
//Gfx::unlock(filter);
SDL_UpdateTexture(screen, nullptr, filter->pixels, filter->pitch);
#endif
SDL_RenderClear(renderer);
SDL_RenderCopy(renderer, screen, nullptr, nullptr);
SDL_RenderPresent(renderer);
}
