2075     int nlines, linesPerBuf, rc;  in DoGetImage()  local
2174         linesPerBuf = 0;  in DoGetImage()
2176         linesPerBuf = 1;  in DoGetImage()
2178         linesPerBuf = IMAGE_BUFSIZE / widthBytesLine;  in DoGetImage()
2179         if (linesPerBuf > height)  in DoGetImage()
2180             linesPerBuf = height;  in DoGetImage()
2182     length = linesPerBuf * widthBytesLine;  in DoGetImage()
2183     if (linesPerBuf < height) {  in DoGetImage()
2185         while ((linesPerBuf > 1) &&  in DoGetImage()
2187             linesPerBuf--;  in DoGetImage()
2191             linesPerBuf++;  in DoGetImage()
2205     if (linesPerBuf == 0) {  in DoGetImage()
2211             nlines = min(linesPerBuf, height - linesDone);  in DoGetImage()
2238                     nlines = min(linesPerBuf, height - linesDone);  in DoGetImage()