Lines Matching refs:prev_row
1943 png_ptr->prev_row = png_voidcast(png_bytep,
2044 if (png_ptr->prev_row != NULL)
2045 memset(png_ptr->prev_row, 0,
2293 pp = png_ptr->prev_row + 1; i < row_bytes;
2318 pp = png_ptr->prev_row + 1; i < bpp; i++)
2351 pp = png_ptr->prev_row + 1; i < bpp; i++)
2358 for (lp = png_ptr->row_buf + 1, cp = png_ptr->prev_row + 1; i < row_bytes;
2602 if (png_ptr->prev_row != NULL)
2606 tptr = png_ptr->prev_row;
2607 png_ptr->prev_row = png_ptr->row_buf;
