float Joystick::getAxisValue(int8_t axis) const {
if (axis < 0 || !isConnected()) {
return 0;
}
if (!isController()) {
return convertRange(SDL_JoystickGetAxis(m_joystickHandle, axis));
}
SDL_GameControllerAxis sdlAxis = static_cast<SDL_GameControllerAxis>(axis);
return convertRange(SDL_GameControllerGetAxis(m_controllerHandle, sdlAxis));
}
// *** horizontal scale Y line to temp buffer
static av_always_inline void hyscale(SwsContext *c, int16_t *dst, int dstWidth,
const uint8_t *src_in[4], int srcW, int xInc,
const int16_t *hLumFilter,
const int32_t *hLumFilterPos, int hLumFilterSize,
uint8_t *formatConvBuffer,
uint32_t *pal, int isAlpha)
{
void (*toYV12)(uint8_t *, const uint8_t *, int, uint32_t *) = isAlpha ? c->alpToYV12 : c->lumToYV12;
void (*convertRange)(int16_t *, int) = isAlpha ? NULL : c->lumConvertRange;
const uint8_t *src = src_in[isAlpha ? 3 : 0];
if (toYV12) {
toYV12(formatConvBuffer, src, srcW, pal);
src= formatConvBuffer;
} else if (c->readLumPlanar && !isAlpha) {
c->readLumPlanar(formatConvBuffer, src_in, srcW);
src = formatConvBuffer;
}
if (!c->hyscale_fast) {
c->hyScale(c, dst, dstWidth, src, hLumFilter, hLumFilterPos, hLumFilterSize);
} else { // fast bilinear upscale / crap downscale
c->hyscale_fast(c, dst, dstWidth, src, srcW, xInc);
}
if (convertRange)
convertRange(dst, dstWidth);
}
void MainWindow::contrastChanged(int value)
{
float param = convertRange(value, CONTRAST_ALGO_MAX, CONTRAST_ALGO_MIN,
UI_CONTRAST_SLIDER_MAX, UI_CONTRAST_SLIDER_MIN);
af::array slices = changeContrast(mCurrentImage, param);
af::array interleaved = af::reorder(slices, 2, 1, 0)/255.0f;
interleaved.host((void*)mImageDataRawPtr);
mRenderCanvas->updateTexData(mImageDataRawPtr, mImageWidth, mImageHeight);
mRenderCanvas->updateGL();
}
void MainWindow::usmChanged(int value)
{
mCurrUSMSharpness = convertRange(value, USMSHARP_ALGO_MAX, USMSHARP_ALGO_MIN,
UI_USMSHARP_SLIDER_MAX, UI_USMSHARP_SLIDER_MIN);
af::array slices = usm(mCurrentImage, mCurrUSMRadius, mCurrUSMSharpness);
af::array interleaved = af::reorder(slices, 2, 1, 0)/255.0f;
interleaved.host((void*)mImageDataRawPtr);
mRenderCanvas->updateTexData(mImageDataRawPtr, mImageWidth, mImageHeight);
mRenderCanvas->updateGL();
}
