199     int xstep;  in readData()  local
202     xstep = m_native_depth ? 4 : 1;  in readData()
306                 UpSample( data, 3, step / xstep, xsample[0], m_blue->ySampling );  in readData()
308                 UpSample( data + xstep, 3, step / xstep, xsample[1], m_green->ySampling );  in readData()
310                 UpSample( data + 2 * xstep, 3, step / xstep, xsample[2], m_red->ySampling );  in readData()
313             UpSample( data, 1, step / xstep, xsample[0], m_green->ySampling );  in readData()
369                 UpSampleY( data, 3, step / xstep, m_blue->ySampling );  in readData()
371                 UpSampleY( data + xstep, 3, step / xstep, m_green->ySampling );  in readData()
373                 UpSampleY( data + 2 * xstep, 3, step / xstep, m_red->ySampling );  in readData()
376             UpSampleY( data, 1, step / xstep, m_green->ySampling );  in readData()
380         ChromaToBGR( (float *)data, m_height, step / xstep );  in readData()
391 void  ExrDecoder::UpSample( uchar *data, int xstep, int ystep, int xsample, int ysample )  in UpSample()  argument
402                         data[(yre + i) * ystep + (xre + n) * xstep] = data[y * ystep + x * xstep];  in UpSample()
404 …   ((float *)data)[(yre + i) * ystep + (xre + n) * xstep] = ((float *)data)[y * ystep + x * xstep];  in UpSample()
406 …((unsigned *)data)[(yre + i) * ystep + (xre + n) * xstep] = ((unsigned *)data)[y * ystep + x * xst…  in UpSample()
417 void  ExrDecoder::UpSampleX( float *data, int xstep, int xsample )  in UpSampleX()  argument
424                 ((float *)data)[(xre + n) * xstep] = ((float *)data)[x * xstep];  in UpSampleX()
426                 ((unsigned *)data)[(xre + n) * xstep] = ((unsigned *)data)[x * xstep];  in UpSampleX()
435 void  ExrDecoder::UpSampleY( uchar *data, int xstep, int ystep, int ysample )  in UpSampleY()  argument
444                     data[(yre + i) * ystep + x * xstep] = data[y * ystep + x * xstep];  in UpSampleY()
446 …           ((float *)data)[(yre + i) * ystep + x * xstep] = ((float *)data)[y * ystep + x * xstep];  in UpSampleY()
448 …     ((unsigned *)data)[(yre + i) * ystep + x * xstep] = ((unsigned *)data)[y * ystep + x * xstep];  in UpSampleY()